The coronavirus (COVID-19) epidemic has spread massively to almost all countries including Indonesia, in just a few months. An important step to overcoming the spread of the COVID-19 is understanding its epidemiology through mathematical modeling intervention. Knowledge of epidemic dynamics patterns is an important part of making timely decisions and preparing hospitals for the outbreak peak. In this study, we developed the susceptible-infected-recovered-dead (SIRD) model, which incorporates the key epidemiological parameters to model and estimate the long-term spread of the COVID-19. The proposed model formulation is data-based analysis using public COVID-19 data from March 2, 2020 to May 15, 2021. Based on numerical analysis, the spread of the pandemic will begin to fade out after November 5, 2021. As a consequence of this virus attack, the cumulative number of infected, recovered, and dead people were estimated at ≈ 3,200,000, ≈ 3,437,000 and ≈ 63,000 people, respectively. Besides, the key epidemiological parameter indicates that the average reproduction number value of COVID-19 in Indonesia is 7.32. The long-term prediction of COVID-19 in Indonesia and its epidemiology can be well described using the SIRD model. The model can be applied in specific regions or cities in understanding the epidemic pattern of COVID-19.
Modified SEIR and machine learning prediction of the trend of the epidemic o...IJECEIAES
Susceptible exposed infectious recovered (SEIR) is a fitting model for coronavirus disease (COVID-19) spread prediction. Hence, to examine the effect of different levels of social distancing on the spreading of the disease, a variable was introduced in the SEIR equations system used in this work. We also used an artificial intelligence approach using a machine learning (ML) method known as deep neural network. This modified SEIR model was applied on the available initial spread data until June 25th, 2021 for the Hashemite Kingdom of Jordan. Without lockdown in Jordan, the analysis demonstrates potential infection to roughly 3.1 million people during the peak of spread approximately 3 months, starting from the date of lockdown (March 21st). Conversely, the present partial lockdowns strategy by the Kingdom was expected to reduce the predicted number of infections to 0.5 million in 9 months period. The analysis also demonstrates the ability of stricter lockdowns to effectively flatten the graph curve of COVID-19 in Jordan. Our modified SEIR and deep neural network (DNN) model were efficient in the prediction of COVID-19 epidemic sizes and peaks. The measures taken to control the epidemic by the government decreased the size of the COVID-19 epidemic.
Susceptible exposed infectious recovered-machine learning for COVID-19 predi...IJECEIAES
Susceptible exposed infectious recovered (SEIR) is among the epidemiological models used in forecasting the spread of disease in large populations. SEIR is a fitting model for coronavirus disease (COVID-19) spread prediction. Somehow, in its original form, SEIR could not measure the impact of lockdowns. So, in the SEIR equations system utilized in this study, a variable was included to evaluate the impact of varying levels of social distance on the transmission of COVID-19. Additionally, we applied artificial intelligence utilizing the deep neural network machine learning (ML) technique. On the initial spread data for Saudi Arabia that were available up to June 25th, 2021, this improved SEIR model was used. The study shows possible infection to around 3.1 million persons without lockdown in Saudi Arabia at the peak of spread, which lasts for about 3 months beginning from the lockdown date (March 21st). On the other hand, the Kingdom's current partial lockdown policy was estimated to cut the estimated number of infections to 0.5 million over nine months. The data shows that stricter lockdowns may successfully flatten the COVID-19 graph curve in Saudi Arabia. We successfully predicted the COVID-19 epidemic's peaks and sizes using our modified deep neural network (DNN) and SEIR model.
This paper presents a time series analysis of a novel coronavirus, COVID-19, discovered in China in December 2019 using intuitionistic fuzzy logic system with neural network learning capability. Fuzzy logic systems are known to be universal approximation tools that can estimate a nonlinear function as closely as possible to the actual values. The main idea in this study is to use intuitionistic fuzzy logic system that enables hesitation and has membership and non-membership functions that are optimized to predict COVID-19 outbreak cases. Intuitionistic fuzzy logic systems are known to provide good results with improved prediction accuracy and are excellent tools for uncertainty modelling. The hesitation-enabled fuzzy logic system is evaluated using COVID-19 pandemic cases for Nigeria, being part of the COVID-19 data for African countries obtained from Kaggle data repository. The hesitation-enabled fuzzy logic model is compared with the classical fuzzy logic system and artificial neural network and shown to offer improved performance in terms of root mean squared error, mean absolute error and mean absolute percentage error. Intuitionistic fuzzy logic system however incurs a setback in terms of the high computing time compared to the classical fuzzy logic system.
Prediction analysis on the pre and post COVID outbreak assessment using machi...IJICTJOURNAL
In this time of a global urgency where people are losing lives each day in a large number, people are trying to develop ways/technology to solve the challenges of COVID-19. Machine learning (ML) and artificial intelligence (AI) tools have been employed previously as well to the times of pandemic where they have proven their worth by providing reliable results in varied fields this is why ML tools are being used extensively to fight this pandemic as well. This review describes the applications of ML in the post and pre COVID-19 conditions for contact tracing, vaccine development, prediction and diagnosis, risk management, and outbreak predictions to help the healthcare system to work efficiently. This review discusses the ongoing research on the pandemic virus where various ML models have been employed to a certain data set to produce outputs that can be used for risk or outbreak prediction of virus in the population, vaccine development, and contact tracing. Thus, the significance and the contribution of ML against COVID-19 are self-explanatory but what should not be compromised is the quality and accuracy based on which solutions/methods/policies adopted or produced from this analysis which will be implied in the real world to real people.
Predicting the status of COVID-19 active cases using a neural network time s...IJECEIAES
The design of intelligent systems for analyzing information and predicting the epidemiological trends of the disease is rapidly expanding because of the coronavirus disease (COVID-19) pandemic. The COVID-19 datasets provided by Johns Hopkins University were included in the analysis. This dataset contains some missing data that is imputed using the multi-objective particle swarm optimization method. A time series model based on nonlinear autoregressive exogenou (NARX) neural network is proposed to predict the recovered and death COVID-19 cases. This model is trained and evaluated for two modes: predicting the situation of the affected areas for the next day and the next month. After training the model based on the data from January 22 to February 27, 2020, the performance of the proposed model was evaluated in predicting the situation of the areas in the coming two weeks. The error rate was less than 5%. The prediction of the proposed model for April 9, 2020, was compared with the actual data for that day. The absolute percentage error (AE) worldwide was 12%. The lowest mean absolute error (MAE) of the model was for South America and Australia with 3 and 3.3, respectively. In this paper, we have shown that geographical areas with mortality and recovery of COVID-19 cases can be predicted using a neural network-based model.
COVID-19, an epidemic disease, has challenged human lives all over the world. Governments and scientific communities are trying their level best to help the masses. This disease which is caused by corona virus majorly attacks the upper respiratory system rendering the human immunity incapacitated and, in some cases, proving fatal. Therefore, it is very much important to identify the infected people quickly and accurately, so that it can be prevented from spread. Early addressal of the symptoms can help to prevent the disease to become severe for all mankind. This calls for the development of a decision-making system to help the medical fraternity for the timely action. This proposed fuzzy based system predicts Covid-19 based on individuals’ symptoms and parameters. It receives input parameters as fever, cough, breathing difficulty, muscle ache, sore throat, travel history, age, medical history in the form of different membership functions and generates one output that predicts the likelihood of a person being infected with COVID-19 using Mamdani fuzzy inference system. The timely prognosis of the disease at home isolation or at the security checks can help the patient to seek the medical treatment as early as possible. Patient case studies, real time observations, cluster cases were studied to create the rule base for FDMS. The results are validated by using real-time individuals test cases on the proposed system which yields 97.2% accuracy, 100% sensitivity and 96.2% specificity.
Modified SEIR and machine learning prediction of the trend of the epidemic o...IJECEIAES
Susceptible exposed infectious recovered (SEIR) is a fitting model for coronavirus disease (COVID-19) spread prediction. Hence, to examine the effect of different levels of social distancing on the spreading of the disease, a variable was introduced in the SEIR equations system used in this work. We also used an artificial intelligence approach using a machine learning (ML) method known as deep neural network. This modified SEIR model was applied on the available initial spread data until June 25th, 2021 for the Hashemite Kingdom of Jordan. Without lockdown in Jordan, the analysis demonstrates potential infection to roughly 3.1 million people during the peak of spread approximately 3 months, starting from the date of lockdown (March 21st). Conversely, the present partial lockdowns strategy by the Kingdom was expected to reduce the predicted number of infections to 0.5 million in 9 months period. The analysis also demonstrates the ability of stricter lockdowns to effectively flatten the graph curve of COVID-19 in Jordan. Our modified SEIR and deep neural network (DNN) model were efficient in the prediction of COVID-19 epidemic sizes and peaks. The measures taken to control the epidemic by the government decreased the size of the COVID-19 epidemic.
Susceptible exposed infectious recovered-machine learning for COVID-19 predi...IJECEIAES
Susceptible exposed infectious recovered (SEIR) is among the epidemiological models used in forecasting the spread of disease in large populations. SEIR is a fitting model for coronavirus disease (COVID-19) spread prediction. Somehow, in its original form, SEIR could not measure the impact of lockdowns. So, in the SEIR equations system utilized in this study, a variable was included to evaluate the impact of varying levels of social distance on the transmission of COVID-19. Additionally, we applied artificial intelligence utilizing the deep neural network machine learning (ML) technique. On the initial spread data for Saudi Arabia that were available up to June 25th, 2021, this improved SEIR model was used. The study shows possible infection to around 3.1 million persons without lockdown in Saudi Arabia at the peak of spread, which lasts for about 3 months beginning from the lockdown date (March 21st). On the other hand, the Kingdom's current partial lockdown policy was estimated to cut the estimated number of infections to 0.5 million over nine months. The data shows that stricter lockdowns may successfully flatten the COVID-19 graph curve in Saudi Arabia. We successfully predicted the COVID-19 epidemic's peaks and sizes using our modified deep neural network (DNN) and SEIR model.
This paper presents a time series analysis of a novel coronavirus, COVID-19, discovered in China in December 2019 using intuitionistic fuzzy logic system with neural network learning capability. Fuzzy logic systems are known to be universal approximation tools that can estimate a nonlinear function as closely as possible to the actual values. The main idea in this study is to use intuitionistic fuzzy logic system that enables hesitation and has membership and non-membership functions that are optimized to predict COVID-19 outbreak cases. Intuitionistic fuzzy logic systems are known to provide good results with improved prediction accuracy and are excellent tools for uncertainty modelling. The hesitation-enabled fuzzy logic system is evaluated using COVID-19 pandemic cases for Nigeria, being part of the COVID-19 data for African countries obtained from Kaggle data repository. The hesitation-enabled fuzzy logic model is compared with the classical fuzzy logic system and artificial neural network and shown to offer improved performance in terms of root mean squared error, mean absolute error and mean absolute percentage error. Intuitionistic fuzzy logic system however incurs a setback in terms of the high computing time compared to the classical fuzzy logic system.
Prediction analysis on the pre and post COVID outbreak assessment using machi...IJICTJOURNAL
In this time of a global urgency where people are losing lives each day in a large number, people are trying to develop ways/technology to solve the challenges of COVID-19. Machine learning (ML) and artificial intelligence (AI) tools have been employed previously as well to the times of pandemic where they have proven their worth by providing reliable results in varied fields this is why ML tools are being used extensively to fight this pandemic as well. This review describes the applications of ML in the post and pre COVID-19 conditions for contact tracing, vaccine development, prediction and diagnosis, risk management, and outbreak predictions to help the healthcare system to work efficiently. This review discusses the ongoing research on the pandemic virus where various ML models have been employed to a certain data set to produce outputs that can be used for risk or outbreak prediction of virus in the population, vaccine development, and contact tracing. Thus, the significance and the contribution of ML against COVID-19 are self-explanatory but what should not be compromised is the quality and accuracy based on which solutions/methods/policies adopted or produced from this analysis which will be implied in the real world to real people.
Predicting the status of COVID-19 active cases using a neural network time s...IJECEIAES
The design of intelligent systems for analyzing information and predicting the epidemiological trends of the disease is rapidly expanding because of the coronavirus disease (COVID-19) pandemic. The COVID-19 datasets provided by Johns Hopkins University were included in the analysis. This dataset contains some missing data that is imputed using the multi-objective particle swarm optimization method. A time series model based on nonlinear autoregressive exogenou (NARX) neural network is proposed to predict the recovered and death COVID-19 cases. This model is trained and evaluated for two modes: predicting the situation of the affected areas for the next day and the next month. After training the model based on the data from January 22 to February 27, 2020, the performance of the proposed model was evaluated in predicting the situation of the areas in the coming two weeks. The error rate was less than 5%. The prediction of the proposed model for April 9, 2020, was compared with the actual data for that day. The absolute percentage error (AE) worldwide was 12%. The lowest mean absolute error (MAE) of the model was for South America and Australia with 3 and 3.3, respectively. In this paper, we have shown that geographical areas with mortality and recovery of COVID-19 cases can be predicted using a neural network-based model.
COVID-19, an epidemic disease, has challenged human lives all over the world. Governments and scientific communities are trying their level best to help the masses. This disease which is caused by corona virus majorly attacks the upper respiratory system rendering the human immunity incapacitated and, in some cases, proving fatal. Therefore, it is very much important to identify the infected people quickly and accurately, so that it can be prevented from spread. Early addressal of the symptoms can help to prevent the disease to become severe for all mankind. This calls for the development of a decision-making system to help the medical fraternity for the timely action. This proposed fuzzy based system predicts Covid-19 based on individuals’ symptoms and parameters. It receives input parameters as fever, cough, breathing difficulty, muscle ache, sore throat, travel history, age, medical history in the form of different membership functions and generates one output that predicts the likelihood of a person being infected with COVID-19 using Mamdani fuzzy inference system. The timely prognosis of the disease at home isolation or at the security checks can help the patient to seek the medical treatment as early as possible. Patient case studies, real time observations, cluster cases were studied to create the rule base for FDMS. The results are validated by using real-time individuals test cases on the proposed system which yields 97.2% accuracy, 100% sensitivity and 96.2% specificity.
Impact of COVID-19 caronavirus on poverty in Pakistan: a case study of SindhSubmissionResearchpa
The current research investigated the COVID-19 is spread vigorously in China, USA, France, Italy, Germany, and European countries and Iran Pakistan being as a neighbor country of china & IranOne was for the incoming Pakistani from various countries, such as Iran, China, Afghanistan, and India. The other was arranged inside various hospitals for COVID-19 positive cases. As hundreds and thousands of Pakistani were in Iran for religious purposes, they were. Most of the students and businessmen, inside China, were not allowed to come back. Handling of large scale influx from Iran was the main problem. Out of the total COVID-19 cases, 78 percent of cases were reported from visitors coming from Iran. Pakistan announced the closure of all schools, colleges & universities with a partial lockdown across the country for major cities. by Dr. Faiz Muhammad Shaikh, Ali Raza Memon and Kashaf Shaikh 2020. Impact of COVID-19 caronavirus on poverty in Pakistan: a case study of Sindh . International Journal on Integrated Education. 3, 6 (Jun. 2020), 72-83. DOI:https://doi.org/10.31149/ijie.v3i6.415. https://journals.researchparks.org/index.php/IJIE/article/view/415/391 https://journals.researchparks.org/index.php/IJIE/article/view/415
COVID 19 Outbreak Prediction and Forecasting in Bangladesh using Machine Lear...ijtsrd
In this time, Novel Corona Virus is an important issue in the world, it also named COVID 19. This virus has been come from Wuhan, China in last December 2019. This virus has created critical circumstances in the whole world especially Bangladesh. The outbreak of COVID 19 is increasing gradually in Bangladesh. To predict and forecasting COVID 19 in Bangladesh we have used machine learning ML Linear Regression model. LR model is useful to predict the outbreak of COVID 19 in Bangladesh. It can be helped efficiently to predict some common numerical data like observation day, tested case, affected case, death case, recover cases, and forecast the number of upcoming cases for the next 30 days in Bangladesh. Our paper to study to analyze the epidemic growth of the COVID 19 in Bangladesh. We have applied the mathematical regression model to analyze the prediction and forecast for the effective threat of the COVID 19 in Bangladesh. The main objective of this paper how to predict the virus affected cases, recover cases, death cases, tested cases, and forecasting the future situation of Bangladesh. S M Abdullah Al Shuaeb | Md. Kamruzaman | Mohammad Al-Amin "COVID-19 Outbreak Prediction and Forecasting in Bangladesh using Machine Learning Algorithm" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, URL: https://www.ijtsrd.com/papers/ijtsrd38068.pdf Paper URL : https://www.ijtsrd.com/computer-science/other/38068/covid19-outbreak-prediction-and-forecasting-in-bangladesh-using-machine-learning-algorithm/s-m-abdullah-al-shuaeb
Modeling and Forecasting the COVID-19 Temporal Spread in Greece: An Explorato...Konstantinos Demertzis
Within the complex framework of anti-COVID-19 health management, where the criteria of diagnostic testing, the availability of public-health resources and services, and the applied anti-COVID-19 policies vary between countries, the reliability and accuracy in the modeling of temporal spread can prove to be effective in the worldwide fight against the disease. This paper applies an exploratory time-series analysis to the evolution of the disease in Greece, which currently suggests a success story of COVID-19 management. The proposed method builds on a recent conceptualization of detecting connective communities in a time-series and develops a novel spline regression model where the knot vector is determined by the community detection in the complex network. Overall, the study contributes to the COVID-19 research by proposing a free of disconnected past-data and reliable framework of forecasting, which can facilitate decision-making and management
of the available health resources.
INSIGHT ABOUT DETECTION, PREDICTION AND WEATHER IMPACT OF CORONAVIRUS (COVID-...ijaia
The world is facing a tough situation due to the catastrophic pandemic caused by novel coronavirus (COVID-19). The number people affected by this virus are increasing exponentially day by day and the number has already crossed 6.4 million. As no vaccine has been discovered yet, the early detection of patients and isolation is the only and most effective way to reduce the spread of the virus. Detecting infected persons from chest X-Ray by using Deep Neural Networks, can be applied as a time and laborsaving solution. In this study, we tried to detect Covid-19 by classification of Covid-19, pneumonia and normal chest X-Rays. We used five different Convolutional Pre-Trained Neural Network models (VGG16,
VGG19, Xception, InceptionV3 and Resnet50) and compared their performance. VGG16 and VGG19 shows precise performance in classification. Both models can classify between three kinds of X-Rays with an accuracy over 92%. Another part of our study was to find the impact of weather factors (temperature, humidity, sun hour and wind speed) on this pandemic using Decision Tree Regressor. We found that temperature, humidity and sun-hour jointly hold 85.88% impact on escalation of Covid-19 and 91.89% impact on death due to Covid-19 where humidity has 8.09% impact on death. We also tried to predict the death of an individual based on age, gender, country, and location due to COVID-19 using the Logistic Regression, which can predict death of an individual with a model accuracy of 94.40%.
Covid 19 Health Prediction using Supervised Learning with Optimizationijtsrd
The assessment of infection is significant for Covid 19 as the antigen pack and RTPCR are imperfect and ought to be better for diagnosing such sickness. Continuous Return Transcription constant talk record polymerase chain . Medical services rehearse incorporate the assortment of different kinds of patient information to assist the doctor with diagnosing the patients wellbeing. This information could be basic side effects, first analysis by a specialist, or an inside and out research facility test. This information is in this manner utilized for examinations simply by a specialist, who thusly utilizes his specific clinical abilities to track down the illness. To group Covid 19 sickness datasets like gentle, center and serious infections, the proposed model uses the idea of controlled machine training and GWO advancement to manage in the event that the patient is impacted or not. Effectiveness investigation is determined and thought about of infection information for the two calculations. The consequences of the reenactments outline the compelling nature and intricacy of the informational index for the reviewing strategies. Contrasted with SVM, the proposed model gives 7.8 percent further developed forecast exactness. The forecast exactness is 8 better than the SVM. This outcome F1 score of 2 is better than an SVM conjecture. Akash Malvi | Nikesh Gupta "Covid-19 Health Prediction using Supervised Learning with Optimization" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-7 | Issue-6 , December 2023, URL: https://www.ijtsrd.com/papers/ijtsrd61266.pdf Paper Url: https://www.ijtsrd.com/computer-science/other/61266/covid19-health-prediction-using-supervised-learning-with-optimization/akash-malvi
Coronavirus disease 2019 detection using deep features learningIJECEIAES
A Coronavirus disease 2019 (COVID-19) pandemic detection considers a critical and challenging task for the medical practitioner. The coronavirus disease spread so rapidly between people and infected more than one hundred and seventy million people worldwide. For this reason, it is necessary to detect infected people with coronavirus and take action to prevent virus spread. In this study, a COVID-19 classification methodology was adopted to detect infected people using computed tomography (CT) images. Deep learning was applied to recognize COVID-19 infected cases for different patients by employing deep features. This methodology can be beneficial for medical practitioners to diagnose infected patients. The results were based on a new data collection named BasrahDataset that includes different CT scan videos for Iraqi patients. The proposed system gave promised results with a 99% F1-score for detecting COVID-19.
The study aimed to investigate into the impact of a National COVID-19 Health contact tracing and monitoring system for Namibia. The study used qualitative methods as a research strategy. Qualitative data was collected
through zoom meeting and a Google form link was distributed to the participants. The findings of the study revealed
that a total of 18 participants responded to the semi-structured questions of which 38.9% represents male while
female 61.1%. The age group between 18–25 response rate were 22.2%, age group between 26–35 response rate were
55.6%, age group between 36–45 response rate were 16.7% and the age group between 46 and above response rate
was 10% represented in green colour to represent participants who fall in the age group between 46 and above
A novel predictive model for capturing threats for facilitating effective soc...IJECEIAES
Social distancing is one of the simple and effective shields for every individual to control spreading of virus in present scenario of pandemic coronavirus disease (COVID-19). However, existing application of social distancing is a basic model and it is also characterized by various pitfalls in case of dynamic monitoring of infected individual accurately. Review of existing literature shows that there has been various dedicated research attempt towards social distancing using available technologies, however, there are further scope of improvement too. This paper has introduced a novel framework which is capable of computing the level of threat with much higher degree of accuracy using distance and duration of stay as elementary parameters. Finally, the model can successfully classify the level of threats using deep learning. The study outcome shows that proposed system offers better predictive performance in contrast to other approaches.
Coronavirus disease (COVID-19) is a pandemic disease, which has already caused
thousands of causalities and infected several millions of people worldwide. Any technological tool
enabling rapid screening of the COVID-19 infection with high accuracy can be crucially helpful to the
healthcare professionals. The main clinical tool currently in use for the diagnosis of COVID-19 is the
Reverse transcription polymerase chain reaction (RT-PCR), which is expensive, less-sensitive and requires
specialized medical personnel. X-ray imaging is an easily accessible tool that can be an excellent alternative
in the COVID-19 diagnosis. This research was taken to investigate the utility of artificial intelligence (AI)
in the rapid and accurate detection of COVID-19 from chest X-ray images
Artificial Intelligence Based Study on Analyzing of Habits and with History o...Dr. Amarjeet Singh
A patient will visit physicians when he/she feels ill. This illness is not for COVID-19 but it is a general tendency of human being to visit doctor probably it cannot be controlled by general drug. When a patient comes to a doctor, the doctor examines him/her after knowing his/her problem. The physician always asks him/her about some questions related to him/her daily life. For example, if a young male patient comes to a doctor with a symptom of fever and cough, the first question doctor asked him that he has a habit of smoking. Then doctor asks him whether this type of symptom appeared often to him previously or not. If the answers of both questions are yes, then the first one is habit and the second one is that he may suffering from some serious disease or a disease due to the weather. The aim of this paper is to consider habit of the patient as well as he/she has been affected by a critical disease. This information is used to build a model that will predict whether there is any possibility of his/her being affected by COVID-19.
This research work contributes to tackle the pandemic situation occurred due to Corona Virus Infectious Disease, 2019 (Covid-19). Outbreak of this disease happens based on numerous factors such as past health records and habits of patients. Health records include diabetes tendency, cardiovascular disease existence, pregnancy, asthma, hypertension, pneumonia; chronic renal disease may contribute to this disease occurrence. Past lifestyles such as tobacco, alcohol consumption may be analyzed.
A deep learning based framework is investigated to verify the relationship between past health records, habits of patients and covid-19 occurrence. A stacked Gated Recurrent Unit (GRU) based model is proposed in this paper that identifies whether a patient can be infected by this disease or not. The proposed predictive system is compared against existing benchmark Machine Learning classifiers such as Support Vector Machine (SVM) and Decision Tree (DT).
Covid 19 Prediction in India using Machine LearningYogeshIJTSRD
Various computational models are used around the world to predict the number of infected individuals and the death rate of the COVID 19 outbreak 3 . Machine learning based models are important to take proper actions. Due to the ample of uncertainty and crucial data, the aerodynamic models have been challenged regarding higher accuracy for long term prediction of this disease 1 . By researching the COVID19 problem, it is observed that lockdown and isolation are important techniques for preventing the spread of COVID 19 2 . In India, public health and the economical condition are impacted by COVID 19, our goal is to visualize the spread of this disease 5 . Machine Learning Algorithms are used in various applications for detecting adverse risk factors. Three ML algorithms we are using that is Logistic Regression LR , Support Vector Machine SVM , and Random Forest Classifier RFC . These machine learning models are predicting the total number of recovered patients as per the date of each state in India 8 . Sarfraj Alam | Vipul Kumar | Sweta Singh | Sweta Joshi | Madhu Kirola "Covid-19 Prediction in India using Machine Learning" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Special Issue | International Conference on Advances in Engineering, Science and Technology - 2021 , May 2021, URL: https://www.ijtsrd.com/papers/ijtsrd42458.pdf Paper URL : https://www.ijtsrd.com/engineering/computer-engineering/42458/covid19-prediction-in-india-using-machine-learning/sarfraj-alam
Thai COVID-19 patient clustering for monitoring and prevention: data mining t...IAESIJAI
This research aims to optimize emerging infectious disease monitoring techniques in Thailand, which will be extremely valuable to the government, doctors, police, and others involved in understanding the seriousness of the spread of novel coronavirus to improve government policies, decisions, medical facilities, treatment. The data mining techniques included cluster analysis using K-means clustering. The infection data were obtained from the open data of the digital government development agency, Thailand. The dataset consisted of 1,893,941 cumulative cases from January 2020 to October 2021 of the outbreak. The results from clustering consisted of 8 groups. Clustering results determined the three largest, three medium-sized, and the two most minor numbers of infected people, respectively. These clusters represent their activities, namely touching an infected person and checking themselves. The components of emerging diseases in Thailand are closely related to waves, gender, age, nationality, career, behavioral risk, and region. The province of onset was mainly in Bangkok and its vicinity or central Thailand, as well as industrial areas. Adult workers aged 19 to 27 years and 43 to 54 years or over were seeds of new infection sources.
Bibliometric analysis highlighting the role of women in addressing climate ch...IJECEIAES
Fossil fuel consumption increased quickly, contributing to climate change
that is evident in unusual flooding and draughts, and global warming. Over
the past ten years, women's involvement in society has grown dramatically,
and they succeeded in playing a noticeable role in reducing climate change.
A bibliometric analysis of data from the last ten years has been carried out to
examine the role of women in addressing the climate change. The analysis's
findings discussed the relevant to the sustainable development goals (SDGs),
particularly SDG 7 and SDG 13. The results considered contributions made
by women in the various sectors while taking geographic dispersion into
account. The bibliometric analysis delves into topics including women's
leadership in environmental groups, their involvement in policymaking, their
contributions to sustainable development projects, and the influence of
gender diversity on attempts to mitigate climate change. This study's results
highlight how women have influenced policies and actions related to climate
change, point out areas of research deficiency and recommendations on how
to increase role of the women in addressing the climate change and
achieving sustainability. To achieve more successful results, this initiative
aims to highlight the significance of gender equality and encourage
inclusivity in climate change decision-making processes.
Voltage and frequency control of microgrid in presence of micro-turbine inter...IJECEIAES
The active and reactive load changes have a significant impact on voltage
and frequency. In this paper, in order to stabilize the microgrid (MG) against
load variations in islanding mode, the active and reactive power of all
distributed generators (DGs), including energy storage (battery), diesel
generator, and micro-turbine, are controlled. The micro-turbine generator is
connected to MG through a three-phase to three-phase matrix converter, and
the droop control method is applied for controlling the voltage and
frequency of MG. In addition, a method is introduced for voltage and
frequency control of micro-turbines in the transition state from gridconnected mode to islanding mode. A novel switching strategy of the matrix
converter is used for converting the high-frequency output voltage of the
micro-turbine to the grid-side frequency of the utility system. Moreover,
using the switching strategy, the low-order harmonics in the output current
and voltage are not produced, and consequently, the size of the output filter
would be reduced. In fact, the suggested control strategy is load-independent
and has no frequency conversion restrictions. The proposed approach for
voltage and frequency regulation demonstrates exceptional performance and
favorable response across various load alteration scenarios. The suggested
strategy is examined in several scenarios in the MG test systems, and the
simulation results are addressed.
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Impact of COVID-19 caronavirus on poverty in Pakistan: a case study of SindhSubmissionResearchpa
The current research investigated the COVID-19 is spread vigorously in China, USA, France, Italy, Germany, and European countries and Iran Pakistan being as a neighbor country of china & IranOne was for the incoming Pakistani from various countries, such as Iran, China, Afghanistan, and India. The other was arranged inside various hospitals for COVID-19 positive cases. As hundreds and thousands of Pakistani were in Iran for religious purposes, they were. Most of the students and businessmen, inside China, were not allowed to come back. Handling of large scale influx from Iran was the main problem. Out of the total COVID-19 cases, 78 percent of cases were reported from visitors coming from Iran. Pakistan announced the closure of all schools, colleges & universities with a partial lockdown across the country for major cities. by Dr. Faiz Muhammad Shaikh, Ali Raza Memon and Kashaf Shaikh 2020. Impact of COVID-19 caronavirus on poverty in Pakistan: a case study of Sindh . International Journal on Integrated Education. 3, 6 (Jun. 2020), 72-83. DOI:https://doi.org/10.31149/ijie.v3i6.415. https://journals.researchparks.org/index.php/IJIE/article/view/415/391 https://journals.researchparks.org/index.php/IJIE/article/view/415
COVID 19 Outbreak Prediction and Forecasting in Bangladesh using Machine Lear...ijtsrd
In this time, Novel Corona Virus is an important issue in the world, it also named COVID 19. This virus has been come from Wuhan, China in last December 2019. This virus has created critical circumstances in the whole world especially Bangladesh. The outbreak of COVID 19 is increasing gradually in Bangladesh. To predict and forecasting COVID 19 in Bangladesh we have used machine learning ML Linear Regression model. LR model is useful to predict the outbreak of COVID 19 in Bangladesh. It can be helped efficiently to predict some common numerical data like observation day, tested case, affected case, death case, recover cases, and forecast the number of upcoming cases for the next 30 days in Bangladesh. Our paper to study to analyze the epidemic growth of the COVID 19 in Bangladesh. We have applied the mathematical regression model to analyze the prediction and forecast for the effective threat of the COVID 19 in Bangladesh. The main objective of this paper how to predict the virus affected cases, recover cases, death cases, tested cases, and forecasting the future situation of Bangladesh. S M Abdullah Al Shuaeb | Md. Kamruzaman | Mohammad Al-Amin "COVID-19 Outbreak Prediction and Forecasting in Bangladesh using Machine Learning Algorithm" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, URL: https://www.ijtsrd.com/papers/ijtsrd38068.pdf Paper URL : https://www.ijtsrd.com/computer-science/other/38068/covid19-outbreak-prediction-and-forecasting-in-bangladesh-using-machine-learning-algorithm/s-m-abdullah-al-shuaeb
Modeling and Forecasting the COVID-19 Temporal Spread in Greece: An Explorato...Konstantinos Demertzis
Within the complex framework of anti-COVID-19 health management, where the criteria of diagnostic testing, the availability of public-health resources and services, and the applied anti-COVID-19 policies vary between countries, the reliability and accuracy in the modeling of temporal spread can prove to be effective in the worldwide fight against the disease. This paper applies an exploratory time-series analysis to the evolution of the disease in Greece, which currently suggests a success story of COVID-19 management. The proposed method builds on a recent conceptualization of detecting connective communities in a time-series and develops a novel spline regression model where the knot vector is determined by the community detection in the complex network. Overall, the study contributes to the COVID-19 research by proposing a free of disconnected past-data and reliable framework of forecasting, which can facilitate decision-making and management
of the available health resources.
INSIGHT ABOUT DETECTION, PREDICTION AND WEATHER IMPACT OF CORONAVIRUS (COVID-...ijaia
The world is facing a tough situation due to the catastrophic pandemic caused by novel coronavirus (COVID-19). The number people affected by this virus are increasing exponentially day by day and the number has already crossed 6.4 million. As no vaccine has been discovered yet, the early detection of patients and isolation is the only and most effective way to reduce the spread of the virus. Detecting infected persons from chest X-Ray by using Deep Neural Networks, can be applied as a time and laborsaving solution. In this study, we tried to detect Covid-19 by classification of Covid-19, pneumonia and normal chest X-Rays. We used five different Convolutional Pre-Trained Neural Network models (VGG16,
VGG19, Xception, InceptionV3 and Resnet50) and compared their performance. VGG16 and VGG19 shows precise performance in classification. Both models can classify between three kinds of X-Rays with an accuracy over 92%. Another part of our study was to find the impact of weather factors (temperature, humidity, sun hour and wind speed) on this pandemic using Decision Tree Regressor. We found that temperature, humidity and sun-hour jointly hold 85.88% impact on escalation of Covid-19 and 91.89% impact on death due to Covid-19 where humidity has 8.09% impact on death. We also tried to predict the death of an individual based on age, gender, country, and location due to COVID-19 using the Logistic Regression, which can predict death of an individual with a model accuracy of 94.40%.
Covid 19 Health Prediction using Supervised Learning with Optimizationijtsrd
The assessment of infection is significant for Covid 19 as the antigen pack and RTPCR are imperfect and ought to be better for diagnosing such sickness. Continuous Return Transcription constant talk record polymerase chain . Medical services rehearse incorporate the assortment of different kinds of patient information to assist the doctor with diagnosing the patients wellbeing. This information could be basic side effects, first analysis by a specialist, or an inside and out research facility test. This information is in this manner utilized for examinations simply by a specialist, who thusly utilizes his specific clinical abilities to track down the illness. To group Covid 19 sickness datasets like gentle, center and serious infections, the proposed model uses the idea of controlled machine training and GWO advancement to manage in the event that the patient is impacted or not. Effectiveness investigation is determined and thought about of infection information for the two calculations. The consequences of the reenactments outline the compelling nature and intricacy of the informational index for the reviewing strategies. Contrasted with SVM, the proposed model gives 7.8 percent further developed forecast exactness. The forecast exactness is 8 better than the SVM. This outcome F1 score of 2 is better than an SVM conjecture. Akash Malvi | Nikesh Gupta "Covid-19 Health Prediction using Supervised Learning with Optimization" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-7 | Issue-6 , December 2023, URL: https://www.ijtsrd.com/papers/ijtsrd61266.pdf Paper Url: https://www.ijtsrd.com/computer-science/other/61266/covid19-health-prediction-using-supervised-learning-with-optimization/akash-malvi
Coronavirus disease 2019 detection using deep features learningIJECEIAES
A Coronavirus disease 2019 (COVID-19) pandemic detection considers a critical and challenging task for the medical practitioner. The coronavirus disease spread so rapidly between people and infected more than one hundred and seventy million people worldwide. For this reason, it is necessary to detect infected people with coronavirus and take action to prevent virus spread. In this study, a COVID-19 classification methodology was adopted to detect infected people using computed tomography (CT) images. Deep learning was applied to recognize COVID-19 infected cases for different patients by employing deep features. This methodology can be beneficial for medical practitioners to diagnose infected patients. The results were based on a new data collection named BasrahDataset that includes different CT scan videos for Iraqi patients. The proposed system gave promised results with a 99% F1-score for detecting COVID-19.
The study aimed to investigate into the impact of a National COVID-19 Health contact tracing and monitoring system for Namibia. The study used qualitative methods as a research strategy. Qualitative data was collected
through zoom meeting and a Google form link was distributed to the participants. The findings of the study revealed
that a total of 18 participants responded to the semi-structured questions of which 38.9% represents male while
female 61.1%. The age group between 18–25 response rate were 22.2%, age group between 26–35 response rate were
55.6%, age group between 36–45 response rate were 16.7% and the age group between 46 and above response rate
was 10% represented in green colour to represent participants who fall in the age group between 46 and above
A novel predictive model for capturing threats for facilitating effective soc...IJECEIAES
Social distancing is one of the simple and effective shields for every individual to control spreading of virus in present scenario of pandemic coronavirus disease (COVID-19). However, existing application of social distancing is a basic model and it is also characterized by various pitfalls in case of dynamic monitoring of infected individual accurately. Review of existing literature shows that there has been various dedicated research attempt towards social distancing using available technologies, however, there are further scope of improvement too. This paper has introduced a novel framework which is capable of computing the level of threat with much higher degree of accuracy using distance and duration of stay as elementary parameters. Finally, the model can successfully classify the level of threats using deep learning. The study outcome shows that proposed system offers better predictive performance in contrast to other approaches.
Coronavirus disease (COVID-19) is a pandemic disease, which has already caused
thousands of causalities and infected several millions of people worldwide. Any technological tool
enabling rapid screening of the COVID-19 infection with high accuracy can be crucially helpful to the
healthcare professionals. The main clinical tool currently in use for the diagnosis of COVID-19 is the
Reverse transcription polymerase chain reaction (RT-PCR), which is expensive, less-sensitive and requires
specialized medical personnel. X-ray imaging is an easily accessible tool that can be an excellent alternative
in the COVID-19 diagnosis. This research was taken to investigate the utility of artificial intelligence (AI)
in the rapid and accurate detection of COVID-19 from chest X-ray images
Artificial Intelligence Based Study on Analyzing of Habits and with History o...Dr. Amarjeet Singh
A patient will visit physicians when he/she feels ill. This illness is not for COVID-19 but it is a general tendency of human being to visit doctor probably it cannot be controlled by general drug. When a patient comes to a doctor, the doctor examines him/her after knowing his/her problem. The physician always asks him/her about some questions related to him/her daily life. For example, if a young male patient comes to a doctor with a symptom of fever and cough, the first question doctor asked him that he has a habit of smoking. Then doctor asks him whether this type of symptom appeared often to him previously or not. If the answers of both questions are yes, then the first one is habit and the second one is that he may suffering from some serious disease or a disease due to the weather. The aim of this paper is to consider habit of the patient as well as he/she has been affected by a critical disease. This information is used to build a model that will predict whether there is any possibility of his/her being affected by COVID-19.
This research work contributes to tackle the pandemic situation occurred due to Corona Virus Infectious Disease, 2019 (Covid-19). Outbreak of this disease happens based on numerous factors such as past health records and habits of patients. Health records include diabetes tendency, cardiovascular disease existence, pregnancy, asthma, hypertension, pneumonia; chronic renal disease may contribute to this disease occurrence. Past lifestyles such as tobacco, alcohol consumption may be analyzed.
A deep learning based framework is investigated to verify the relationship between past health records, habits of patients and covid-19 occurrence. A stacked Gated Recurrent Unit (GRU) based model is proposed in this paper that identifies whether a patient can be infected by this disease or not. The proposed predictive system is compared against existing benchmark Machine Learning classifiers such as Support Vector Machine (SVM) and Decision Tree (DT).
Covid 19 Prediction in India using Machine LearningYogeshIJTSRD
Various computational models are used around the world to predict the number of infected individuals and the death rate of the COVID 19 outbreak 3 . Machine learning based models are important to take proper actions. Due to the ample of uncertainty and crucial data, the aerodynamic models have been challenged regarding higher accuracy for long term prediction of this disease 1 . By researching the COVID19 problem, it is observed that lockdown and isolation are important techniques for preventing the spread of COVID 19 2 . In India, public health and the economical condition are impacted by COVID 19, our goal is to visualize the spread of this disease 5 . Machine Learning Algorithms are used in various applications for detecting adverse risk factors. Three ML algorithms we are using that is Logistic Regression LR , Support Vector Machine SVM , and Random Forest Classifier RFC . These machine learning models are predicting the total number of recovered patients as per the date of each state in India 8 . Sarfraj Alam | Vipul Kumar | Sweta Singh | Sweta Joshi | Madhu Kirola "Covid-19 Prediction in India using Machine Learning" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Special Issue | International Conference on Advances in Engineering, Science and Technology - 2021 , May 2021, URL: https://www.ijtsrd.com/papers/ijtsrd42458.pdf Paper URL : https://www.ijtsrd.com/engineering/computer-engineering/42458/covid19-prediction-in-india-using-machine-learning/sarfraj-alam
Thai COVID-19 patient clustering for monitoring and prevention: data mining t...IAESIJAI
This research aims to optimize emerging infectious disease monitoring techniques in Thailand, which will be extremely valuable to the government, doctors, police, and others involved in understanding the seriousness of the spread of novel coronavirus to improve government policies, decisions, medical facilities, treatment. The data mining techniques included cluster analysis using K-means clustering. The infection data were obtained from the open data of the digital government development agency, Thailand. The dataset consisted of 1,893,941 cumulative cases from January 2020 to October 2021 of the outbreak. The results from clustering consisted of 8 groups. Clustering results determined the three largest, three medium-sized, and the two most minor numbers of infected people, respectively. These clusters represent their activities, namely touching an infected person and checking themselves. The components of emerging diseases in Thailand are closely related to waves, gender, age, nationality, career, behavioral risk, and region. The province of onset was mainly in Bangkok and its vicinity or central Thailand, as well as industrial areas. Adult workers aged 19 to 27 years and 43 to 54 years or over were seeds of new infection sources.
Similar to The susceptible-infected-recovered-dead model for long-term identification of key epidemiological parameters of COVID-19 in Indonesia (20)
Bibliometric analysis highlighting the role of women in addressing climate ch...IJECEIAES
Fossil fuel consumption increased quickly, contributing to climate change
that is evident in unusual flooding and draughts, and global warming. Over
the past ten years, women's involvement in society has grown dramatically,
and they succeeded in playing a noticeable role in reducing climate change.
A bibliometric analysis of data from the last ten years has been carried out to
examine the role of women in addressing the climate change. The analysis's
findings discussed the relevant to the sustainable development goals (SDGs),
particularly SDG 7 and SDG 13. The results considered contributions made
by women in the various sectors while taking geographic dispersion into
account. The bibliometric analysis delves into topics including women's
leadership in environmental groups, their involvement in policymaking, their
contributions to sustainable development projects, and the influence of
gender diversity on attempts to mitigate climate change. This study's results
highlight how women have influenced policies and actions related to climate
change, point out areas of research deficiency and recommendations on how
to increase role of the women in addressing the climate change and
achieving sustainability. To achieve more successful results, this initiative
aims to highlight the significance of gender equality and encourage
inclusivity in climate change decision-making processes.
Voltage and frequency control of microgrid in presence of micro-turbine inter...IJECEIAES
The active and reactive load changes have a significant impact on voltage
and frequency. In this paper, in order to stabilize the microgrid (MG) against
load variations in islanding mode, the active and reactive power of all
distributed generators (DGs), including energy storage (battery), diesel
generator, and micro-turbine, are controlled. The micro-turbine generator is
connected to MG through a three-phase to three-phase matrix converter, and
the droop control method is applied for controlling the voltage and
frequency of MG. In addition, a method is introduced for voltage and
frequency control of micro-turbines in the transition state from gridconnected mode to islanding mode. A novel switching strategy of the matrix
converter is used for converting the high-frequency output voltage of the
micro-turbine to the grid-side frequency of the utility system. Moreover,
using the switching strategy, the low-order harmonics in the output current
and voltage are not produced, and consequently, the size of the output filter
would be reduced. In fact, the suggested control strategy is load-independent
and has no frequency conversion restrictions. The proposed approach for
voltage and frequency regulation demonstrates exceptional performance and
favorable response across various load alteration scenarios. The suggested
strategy is examined in several scenarios in the MG test systems, and the
simulation results are addressed.
Enhancing battery system identification: nonlinear autoregressive modeling fo...IJECEIAES
Precisely characterizing Li-ion batteries is essential for optimizing their
performance, enhancing safety, and prolonging their lifespan across various
applications, such as electric vehicles and renewable energy systems. This
article introduces an innovative nonlinear methodology for system
identification of a Li-ion battery, employing a nonlinear autoregressive with
exogenous inputs (NARX) model. The proposed approach integrates the
benefits of nonlinear modeling with the adaptability of the NARX structure,
facilitating a more comprehensive representation of the intricate
electrochemical processes within the battery. Experimental data collected
from a Li-ion battery operating under diverse scenarios are employed to
validate the effectiveness of the proposed methodology. The identified
NARX model exhibits superior accuracy in predicting the battery's behavior
compared to traditional linear models. This study underscores the
importance of accounting for nonlinearities in battery modeling, providing
insights into the intricate relationships between state-of-charge, voltage, and
current under dynamic conditions.
Smart grid deployment: from a bibliometric analysis to a surveyIJECEIAES
Smart grids are one of the last decades' innovations in electrical energy.
They bring relevant advantages compared to the traditional grid and
significant interest from the research community. Assessing the field's
evolution is essential to propose guidelines for facing new and future smart
grid challenges. In addition, knowing the main technologies involved in the
deployment of smart grids (SGs) is important to highlight possible
shortcomings that can be mitigated by developing new tools. This paper
contributes to the research trends mentioned above by focusing on two
objectives. First, a bibliometric analysis is presented to give an overview of
the current research level about smart grid deployment. Second, a survey of
the main technological approaches used for smart grid implementation and
their contributions are highlighted. To that effect, we searched the Web of
Science (WoS), and the Scopus databases. We obtained 5,663 documents
from WoS and 7,215 from Scopus on smart grid implementation or
deployment. With the extraction limitation in the Scopus database, 5,872 of
the 7,215 documents were extracted using a multi-step process. These two
datasets have been analyzed using a bibliometric tool called bibliometrix.
The main outputs are presented with some recommendations for future
research.
Use of analytical hierarchy process for selecting and prioritizing islanding ...IJECEIAES
One of the problems that are associated to power systems is islanding
condition, which must be rapidly and properly detected to prevent any
negative consequences on the system's protection, stability, and security.
This paper offers a thorough overview of several islanding detection
strategies, which are divided into two categories: classic approaches,
including local and remote approaches, and modern techniques, including
techniques based on signal processing and computational intelligence.
Additionally, each approach is compared and assessed based on several
factors, including implementation costs, non-detected zones, declining
power quality, and response times using the analytical hierarchy process
(AHP). The multi-criteria decision-making analysis shows that the overall
weight of passive methods (24.7%), active methods (7.8%), hybrid methods
(5.6%), remote methods (14.5%), signal processing-based methods (26.6%),
and computational intelligent-based methods (20.8%) based on the
comparison of all criteria together. Thus, it can be seen from the total weight
that hybrid approaches are the least suitable to be chosen, while signal
processing-based methods are the most appropriate islanding detection
method to be selected and implemented in power system with respect to the
aforementioned factors. Using Expert Choice software, the proposed
hierarchy model is studied and examined.
Enhancing of single-stage grid-connected photovoltaic system using fuzzy logi...IJECEIAES
The power generated by photovoltaic (PV) systems is influenced by
environmental factors. This variability hampers the control and utilization of
solar cells' peak output. In this study, a single-stage grid-connected PV
system is designed to enhance power quality. Our approach employs fuzzy
logic in the direct power control (DPC) of a three-phase voltage source
inverter (VSI), enabling seamless integration of the PV connected to the
grid. Additionally, a fuzzy logic-based maximum power point tracking
(MPPT) controller is adopted, which outperforms traditional methods like
incremental conductance (INC) in enhancing solar cell efficiency and
minimizing the response time. Moreover, the inverter's real-time active and
reactive power is directly managed to achieve a unity power factor (UPF).
The system's performance is assessed through MATLAB/Simulink
implementation, showing marked improvement over conventional methods,
particularly in steady-state and varying weather conditions. For solar
irradiances of 500 and 1,000 W/m2
, the results show that the proposed
method reduces the total harmonic distortion (THD) of the injected current
to the grid by approximately 46% and 38% compared to conventional
methods, respectively. Furthermore, we compare the simulation results with
IEEE standards to evaluate the system's grid compatibility.
Enhancing photovoltaic system maximum power point tracking with fuzzy logic-b...IJECEIAES
Photovoltaic systems have emerged as a promising energy resource that
caters to the future needs of society, owing to their renewable, inexhaustible,
and cost-free nature. The power output of these systems relies on solar cell
radiation and temperature. In order to mitigate the dependence on
atmospheric conditions and enhance power tracking, a conventional
approach has been improved by integrating various methods. To optimize
the generation of electricity from solar systems, the maximum power point
tracking (MPPT) technique is employed. To overcome limitations such as
steady-state voltage oscillations and improve transient response, two
traditional MPPT methods, namely fuzzy logic controller (FLC) and perturb
and observe (P&O), have been modified. This research paper aims to
simulate and validate the step size of the proposed modified P&O and FLC
techniques within the MPPT algorithm using MATLAB/Simulink for
efficient power tracking in photovoltaic systems.
Adaptive synchronous sliding control for a robot manipulator based on neural ...IJECEIAES
Robot manipulators have become important equipment in production lines, medical fields, and transportation. Improving the quality of trajectory tracking for
robot hands is always an attractive topic in the research community. This is a
challenging problem because robot manipulators are complex nonlinear systems
and are often subject to fluctuations in loads and external disturbances. This
article proposes an adaptive synchronous sliding control scheme to improve trajectory tracking performance for a robot manipulator. The proposed controller
ensures that the positions of the joints track the desired trajectory, synchronize
the errors, and significantly reduces chattering. First, the synchronous tracking
errors and synchronous sliding surfaces are presented. Second, the synchronous
tracking error dynamics are determined. Third, a robust adaptive control law is
designed,the unknown components of the model are estimated online by the neural network, and the parameters of the switching elements are selected by fuzzy
logic. The built algorithm ensures that the tracking and approximation errors
are ultimately uniformly bounded (UUB). Finally, the effectiveness of the constructed algorithm is demonstrated through simulation and experimental results.
Simulation and experimental results show that the proposed controller is effective with small synchronous tracking errors, and the chattering phenomenon is
significantly reduced.
Remote field-programmable gate array laboratory for signal acquisition and de...IJECEIAES
A remote laboratory utilizing field-programmable gate array (FPGA) technologies enhances students’ learning experience anywhere and anytime in embedded system design. Existing remote laboratories prioritize hardware access and visual feedback for observing board behavior after programming, neglecting comprehensive debugging tools to resolve errors that require internal signal acquisition. This paper proposes a novel remote embeddedsystem design approach targeting FPGA technologies that are fully interactive via a web-based platform. Our solution provides FPGA board access and debugging capabilities beyond the visual feedback provided by existing remote laboratories. We implemented a lab module that allows users to seamlessly incorporate into their FPGA design. The module minimizes hardware resource utilization while enabling the acquisition of a large number of data samples from the signal during the experiments by adaptively compressing the signal prior to data transmission. The results demonstrate an average compression ratio of 2.90 across three benchmark signals, indicating efficient signal acquisition and effective debugging and analysis. This method allows users to acquire more data samples than conventional methods. The proposed lab allows students to remotely test and debug their designs, bridging the gap between theory and practice in embedded system design.
Detecting and resolving feature envy through automated machine learning and m...IJECEIAES
Efficiently identifying and resolving code smells enhances software project quality. This paper presents a novel solution, utilizing automated machine learning (AutoML) techniques, to detect code smells and apply move method refactoring. By evaluating code metrics before and after refactoring, we assessed its impact on coupling, complexity, and cohesion. Key contributions of this research include a unique dataset for code smell classification and the development of models using AutoGluon for optimal performance. Furthermore, the study identifies the top 20 influential features in classifying feature envy, a well-known code smell, stemming from excessive reliance on external classes. We also explored how move method refactoring addresses feature envy, revealing reduced coupling and complexity, and improved cohesion, ultimately enhancing code quality. In summary, this research offers an empirical, data-driven approach, integrating AutoML and move method refactoring to optimize software project quality. Insights gained shed light on the benefits of refactoring on code quality and the significance of specific features in detecting feature envy. Future research can expand to explore additional refactoring techniques and a broader range of code metrics, advancing software engineering practices and standards.
Smart monitoring technique for solar cell systems using internet of things ba...IJECEIAES
Rapidly and remotely monitoring and receiving the solar cell systems status parameters, solar irradiance, temperature, and humidity, are critical issues in enhancement their efficiency. Hence, in the present article an improved smart prototype of internet of things (IoT) technique based on embedded system through NodeMCU ESP8266 (ESP-12E) was carried out experimentally. Three different regions at Egypt; Luxor, Cairo, and El-Beheira cities were chosen to study their solar irradiance profile, temperature, and humidity by the proposed IoT system. The monitoring data of solar irradiance, temperature, and humidity were live visualized directly by Ubidots through hypertext transfer protocol (HTTP) protocol. The measured solar power radiation in Luxor, Cairo, and El-Beheira ranged between 216-1000, 245-958, and 187-692 W/m 2 respectively during the solar day. The accuracy and rapidity of obtaining monitoring results using the proposed IoT system made it a strong candidate for application in monitoring solar cell systems. On the other hand, the obtained solar power radiation results of the three considered regions strongly candidate Luxor and Cairo as suitable places to build up a solar cells system station rather than El-Beheira.
An efficient security framework for intrusion detection and prevention in int...IJECEIAES
Over the past few years, the internet of things (IoT) has advanced to connect billions of smart devices to improve quality of life. However, anomalies or malicious intrusions pose several security loopholes, leading to performance degradation and threat to data security in IoT operations. Thereby, IoT security systems must keep an eye on and restrict unwanted events from occurring in the IoT network. Recently, various technical solutions based on machine learning (ML) models have been derived towards identifying and restricting unwanted events in IoT. However, most ML-based approaches are prone to miss-classification due to inappropriate feature selection. Additionally, most ML approaches applied to intrusion detection and prevention consider supervised learning, which requires a large amount of labeled data to be trained. Consequently, such complex datasets are impossible to source in a large network like IoT. To address this problem, this proposed study introduces an efficient learning mechanism to strengthen the IoT security aspects. The proposed algorithm incorporates supervised and unsupervised approaches to improve the learning models for intrusion detection and mitigation. Compared with the related works, the experimental outcome shows that the model performs well in a benchmark dataset. It accomplishes an improved detection accuracy of approximately 99.21%.
Developing a smart system for infant incubators using the internet of things ...IJECEIAES
This research is developing an incubator system that integrates the internet of things and artificial intelligence to improve care for premature babies. The system workflow starts with sensors that collect data from the incubator. Then, the data is sent in real-time to the internet of things (IoT) broker eclipse mosquito using the message queue telemetry transport (MQTT) protocol version 5.0. After that, the data is stored in a database for analysis using the long short-term memory network (LSTM) method and displayed in a web application using an application programming interface (API) service. Furthermore, the experimental results produce as many as 2,880 rows of data stored in the database. The correlation coefficient between the target attribute and other attributes ranges from 0.23 to 0.48. Next, several experiments were conducted to evaluate the model-predicted value on the test data. The best results are obtained using a two-layer LSTM configuration model, each with 60 neurons and a lookback setting 6. This model produces an R 2 value of 0.934, with a root mean square error (RMSE) value of 0.015 and a mean absolute error (MAE) of 0.008. In addition, the R 2 value was also evaluated for each attribute used as input, with a result of values between 0.590 and 0.845.
A review on internet of things-based stingless bee's honey production with im...IJECEIAES
Honey is produced exclusively by honeybees and stingless bees which both are well adapted to tropical and subtropical regions such as Malaysia. Stingless bees are known for producing small amounts of honey and are known for having a unique flavor profile. Problem identified that many stingless bees collapsed due to weather, temperature and environment. It is critical to understand the relationship between the production of stingless bee honey and environmental conditions to improve honey production. Thus, this paper presents a review on stingless bee's honey production and prediction modeling. About 54 previous research has been analyzed and compared in identifying the research gaps. A framework on modeling the prediction of stingless bee honey is derived. The result presents the comparison and analysis on the internet of things (IoT) monitoring systems, honey production estimation, convolution neural networks (CNNs), and automatic identification methods on bee species. It is identified based on image detection method the top best three efficiency presents CNN is at 98.67%, densely connected convolutional networks with YOLO v3 is 97.7%, and DenseNet201 convolutional networks 99.81%. This study is significant to assist the researcher in developing a model for predicting stingless honey produced by bee's output, which is important for a stable economy and food security.
A trust based secure access control using authentication mechanism for intero...IJECEIAES
The internet of things (IoT) is a revolutionary innovation in many aspects of our society including interactions, financial activity, and global security such as the military and battlefield internet. Due to the limited energy and processing capacity of network devices, security, energy consumption, compatibility, and device heterogeneity are the long-term IoT problems. As a result, energy and security are critical for data transmission across edge and IoT networks. Existing IoT interoperability techniques need more computation time, have unreliable authentication mechanisms that break easily, lose data easily, and have low confidentiality. In this paper, a key agreement protocol-based authentication mechanism for IoT devices is offered as a solution to this issue. This system makes use of information exchange, which must be secured to prevent access by unauthorized users. Using a compact contiki/cooja simulator, the performance and design of the suggested framework are validated. The simulation findings are evaluated based on detection of malicious nodes after 60 minutes of simulation. The suggested trust method, which is based on privacy access control, reduced packet loss ratio to 0.32%, consumed 0.39% power, and had the greatest average residual energy of 0.99 mJoules at 10 nodes.
Fuzzy linear programming with the intuitionistic polygonal fuzzy numbersIJECEIAES
In real world applications, data are subject to ambiguity due to several factors; fuzzy sets and fuzzy numbers propose a great tool to model such ambiguity. In case of hesitation, the complement of a membership value in fuzzy numbers can be different from the non-membership value, in which case we can model using intuitionistic fuzzy numbers as they provide flexibility by defining both a membership and a non-membership functions. In this article, we consider the intuitionistic fuzzy linear programming problem with intuitionistic polygonal fuzzy numbers, which is a generalization of the previous polygonal fuzzy numbers found in the literature. We present a modification of the simplex method that can be used to solve any general intuitionistic fuzzy linear programming problem after approximating the problem by an intuitionistic polygonal fuzzy number with n edges. This method is given in a simple tableau formulation, and then applied on numerical examples for clarity.
The performance of artificial intelligence in prostate magnetic resonance im...IJECEIAES
Prostate cancer is the predominant form of cancer observed in men worldwide. The application of magnetic resonance imaging (MRI) as a guidance tool for conducting biopsies has been established as a reliable and well-established approach in the diagnosis of prostate cancer. The diagnostic performance of MRI-guided prostate cancer diagnosis exhibits significant heterogeneity due to the intricate and multi-step nature of the diagnostic pathway. The development of artificial intelligence (AI) models, specifically through the utilization of machine learning techniques such as deep learning, is assuming an increasingly significant role in the field of radiology. In the realm of prostate MRI, a considerable body of literature has been dedicated to the development of various AI algorithms. These algorithms have been specifically designed for tasks such as prostate segmentation, lesion identification, and classification. The overarching objective of these endeavors is to enhance diagnostic performance and foster greater agreement among different observers within MRI scans for the prostate. This review article aims to provide a concise overview of the application of AI in the field of radiology, with a specific focus on its utilization in prostate MRI.
Seizure stage detection of epileptic seizure using convolutional neural networksIJECEIAES
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The susceptible-infected-recovered-dead model for long-term identification of key epidemiological parameters of COVID-19 in Indonesia
1. International Journal of Electrical and Computer Engineering (IJECE)
Vol. 12, No. 3, June 2022, pp. 2900~2910
ISSN: 2088-8708, DOI: 10.11591/ijece.v12i3.pp2900-2910 2900
Journal homepage: http://ijece.iaescore.com
The susceptible-infected-recovered-dead model for long-term
identification of key epidemiological parameters of COVID-19
in Indonesia
Muhammad Achirul Nanda1
, Anifatul Faricha2
, Siti Maghfirotul Ulyah3
, Ni'matut Tamimah4
,
Enny Indasyah5
, Muhammad Falahudin Malich Salaz6
, Qurrotun Ayun Mawadatur Rohmah7
,
Ulfah Abqari8
1
Department of Agricultural and Biosystem Engineering, Faculty of Agro-Industrial Technology, Universitas Padjadjaran,
Sumedang, Indonesia
2
Department of Electrical Engineering, Institut Teknologi Telkom Surabaya, Surabaya, Indonesia
3
Department of Mathematics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia
4
Department of Marine Engineering, Shipbuilding Institute of Polytechnic Surabaya, Surabaya, Indonesia
5
Department of Automation Electronic Engineering, Faculty of Vocational, Sepuluh Nopember Institute of Technology,
Surabaya, Indonesia
6
Pharmaceutical Industry, PT. Eisai Indonesia, Bogor, Indonesia
7
Dr. Soegiri Regional Public Hospital, Lamongan, Indonesia
8
Department of Public Health, Erasmus MC, University Medical Center, Rotterdam, Netherlands
Article Info ABSTRACT
Article history:
Received May 20, 2021
Revised Dec 19, 2021
Accepted Jan 19, 2022
The coronavirus (COVID-19) epidemic has spread massively to almost all
countries including Indonesia, in just a few months. An important step to
overcoming the spread of the COVID-19 is understanding its epidemiology
through mathematical modeling intervention. Knowledge of epidemic
dynamics patterns is an important part of making timely decisions and
preparing hospitals for the outbreak peak. In this study, we developed the
susceptible-infected-recovered-dead (SIRD) model, which incorporates the
key epidemiological parameters to model and estimate the long-term spread
of the COVID-19. The proposed model formulation is data-based analysis
using public COVID-19 data from March 2, 2020 to May 15, 2021. Based
on numerical analysis, the spread of the pandemic will begin to fade out
after November 5, 2021. As a consequence of this virus attack, the
cumulative number of infected, recovered, and dead people were estimated
at ≈ 3,200,000, ≈ 3,437,000 and ≈ 63,000 people, respectively. Besides, the
key epidemiological parameter indicates that the average reproduction
number value of COVID-19 in Indonesia is 7.32. The long-term prediction
of COVID-19 in Indonesia and its epidemiology can be well described using
the SIRD model. The model can be applied in specific regions or cities in
understanding the epidemic pattern of COVID-19.
Keywords:
COVID-19
Epidemiology
Indonesia
Long-term
SIRD model
This is an open access article under the CC BY-SA license.
Corresponding Author:
Siti Maghfirotul Ulyah
Department of Mathematics, Faculty of Science and Technology, Airlangga University
Surabaya 60115, East Java Province, Indonesia
Email: maghfirotul.ulyah@fst.unair.ac.id
1. INTRODUCTION
A novel coronavirus (COVID-19), originating from Wuhan in Hubei Province, China (on December
31, 2019), has spread to 213 countries and territories worldwide. This virus has brought many new challenges
to public health and caused panic for everyone. Up to May 15, 2021, the cumulative number of confirmed
2. Int J Elec & Comp Eng ISSN: 2088-8708
The susceptible-infected-recovered-dead model for long-term … (Muhammad Achirul Nanda)
2901
cases, the total death and recovered individuals of COVID-19 outbreaks worldwide reached around
163,706 million, 3,392 million and 142,158 million, respectively [1]. Mostly, the people who are at risk of
becoming seriously sick to the point of death are over the age of 60 with congenital health problems. The
COVID-19 disease, is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [2]. In
general, there are 3 symptoms that can indicate someone is infected with COVID-19, i.e., fever (body
temperature above 38 C), dry cough and shortness of breath. To confirm the COVID-19 diagnosis, health
workers will conduct examinations based on: i) rapid test to detect antibodies, ii) swab test for detecting
viruses in sputum, and iii) a computed tomography scan (CT-scan) to detect infiltrates or fluid in the lungs.
According to the World Health Organization (WHO), the incubation period of COVID-19 or the time interval
between people who are infected with COVID-19 until it starts showing symptoms, generally is around
1-14 days (most commonly around 5 days).
The COVID-19 epidemic has spread massively to almost all countries, including Indonesia, in just a
few months. In Indonesia itself, two confirmed cases of COVID-19 were first reported in Jakarta Province on
March 2, 2020 and showed an upward trend. According to study [3], Indonesia is the fourth most populous
country in the world consisting of many islands, so it is predicted to suffer greatly for a longer period of time
due to an outbreak, compared to other less densely-populated countries. Due to the rapid outbreak spread
throughout the world, WHO has established COVID-19 as a pandemic. Therefore, handling COVID-19
requires a strict policy protocol to avoid the spread of more severe outbreaks. This must be supported by
various parties, not only the government, but also the public, research institutions, industry, and digital
media.
Based on the problems described above, an important step to overcome the spread of new diseases
such as COVID-19 is to conceive its epidemiology through mathematical modeling intervention. This
modeling is a data-based analysis for comprehensively modeling and forecasting the dynamic pattern of the
COVID-19 disease in certain populations. This is useful for those who support the government and health
authorities in the resource’s allocation. Some important information will be obtained from epidemiological
analysis such as the total population of susceptible, infected, recovered, and dead individuals, as well as the
infection peak and end of the outbreak. Several analyses and mathematical approaches have been proposed to
predict the COVID-19 epidemic’s trend in various countries such as: i) in China, i.e., the susceptible-
infected-recovered-dead (SIRD) model [4], susceptible-exposed-infectious-removed (SEIR) model [5] and
adaptive neuro-fuzzy inference system (ANFIS) model [6]; ii) In Brazil, i.e., the susceptible-infected-
asymptomatic-symptomatic-dead (SIASD) model [7]; iii) In Italia, i.e., the SIRD model [4]; and iv) In Utah,
i.e., the log-logistic model [8]. However, each country has a different character, culture and level of
discipline that will have an impact on the specific epidemic of the coronavirus.
In Indonesia itself, massive research on the prediction of the epidemiology of COVID-19 is widely
reported. A number of such studies use a technique based on the support vector regression [9], logistic [10],
long short-term memory [11], Morgan-Mercer-Flodin [12], SEIR [13], artificial neural network [14],
exponential smoothing [15] and deterministic-stochastic model [16]. However, most of these various
techniques are unable to comprehensively explain key epidemiological parameters, including susceptible,
infected, recovered, dead people, infection peak and end of the outbreak, and reproduction number. In
addition, the performance may not be reliable to apply to current conditions due to the data set used is out of
date. Of the various techniques that have been applied, the SIRD model is the most commonly recommended
approach and is appropriate to describe the characteristics of epidemic patterns in detail [17]. To date, the
potential application of this model has not been reported to understand the COVID-19 outbreak in Indonesia.
Researchers explained that the SIRD model was not only able to predict COVID-19, but also other diseases
such as the Canine distemper virus [18] and Ebola virus [19]. Clearly, there is a scope to apply the SIRD
model in response to the epidemiological pattern of COVID-19, especially in Indonesia.
In general, the conventional SIRD model can only simulate epidemiological patterns in the
short-term period without involving optimization techniques and lacking detail in visualizing key parameters.
In this study, unlike the SIRD model in general, the proposed SIRD model can explain and track the
epidemic pattern in detail based on optimization technique. More specifically, some of the advantages are
being able to: i) provide information regarding the key epidemiological parameters, ii) uncover the pattern of
these outbreaks starting from the initial stages of spread until they fade out, iii) detect the infection peak of
the pandemic, iv) identify the reproduction number, v) describe the rate of infection, recovery and death,
vi) adjust the lockdown time, vii) visualize the long-term prediction, and viii) identify the number of
susceptible, infected, recovered, and dead people. Besides, the SIRD model implements an optimization
technique to produce accurate prediction capabilities. These overall advantages are claimed to be the novelty
of the proposed SIRD approach. Therefore, this study aimed to develop the SIRD model, which incorporates
the key epidemiological parameters to model and estimate the long-term spread of the COVID-19 epidemic.
3. ISSN: 2088-8708
Int J Elec & Comp Eng, Vol. 12, No. 3, June 2022: 2900-2910
2902
2. METHOD
2.1. Data collection
The most recent epidemiological data based on the daily COVID-19 outbreak in Indonesia were
retrieved from the COVID-19 National Task Force and KawalCOVID-19. These are a verified online system
connected to the Indonesian National Board for Disaster Management and report daily COVID-19 cases from
all provinces in Indonesia. We use the recent COVID-19 data from March 2, 2020 to May 15, 2021 to model
and forecast the evolution of the COVID-19 pandemic in Indonesia. The COVID-19 pandemic was first
confirmed to have spread to Indonesia on March 2, 2020, when a dance instructor and his mother were
infected from Japanese citizens. By May 15, 2021, the virus has spread throughout 34 provinces in Indonesia
as shown in Figure 1. The provinces of Jakarta, West Java, Central Java, and East Java became the worst-hit
of COVID-19, which is indicated by the number of cases ≥ 1,000,000.
Figure 1. Map of the confirmed cases of the COVID-19 pandemic in Indonesia [20]
2.2. Preliminary insight from the reported COVID-19 data
The number of people tested for COVID-19, infected, recovered and who have died in Indonesia is
detailed in Figure 2. This whole graph shows the cumulative cases on the right side and daily cases on the left
side. As of May 15, 2021, the number of COVID-19 testing conducted by the Indonesian government was
≈10,400,000. This value is still lower compared to its neighbors (i.e., Singapore, Malaysia, Thailand, and
Vietnam). This relates to the fact that the implementation of COVID-19 testing in Indonesia is based on
contact tracing from infected people previously instead of widespread testing. The number of daily
COVID-19 tests reached the highest peak (around 72,000) on February 18, 2021 and has a decreasing trend
over time as shown in Figure 2(a). In the case of infected people, the cumulative number of daily reported
cases increased exponentially during this early phase from March 2, 2020 to May 15, 2021, where a total of
≈1,700,000 people is reported to have been infected with COVID-19. Figure 2(b) shows that the highest peak
of COVID-19 transmission in Indonesia occurred on January 27, 2021. In addition, the initial visualization of
COVID-19 in Indonesia confirmed that the number of recovered people was greater than those who died
from the virus as shown Figure 2(c)-(d). The daily death rate also shows an upward trend from end
September 2020 to end January 2021 and then a downward trend in the next period. The response of the
Indonesian government to overcome the COVID-19 outbreak was to ensure the implementation of social and
physical distancing such as banning public events, school closures and restricting commerce.
2.3. SIRD model
Mathematical modeling is a recognized powerful tool to investigate transmission and epidemic
dynamics. COVID-19 outbreaks can be described using an ordinary differential equations (ODEs) approach,
i.e., SIRD model. This model depicts the spread of an infectious disease in a population split into three
non-intersecting classes: susceptible, infected, recovered, and dead. Susceptible (S) represents individuals
who are healthy but can contract the disease, infected (I) represents individuals who suffer from the disease
and can transmit it to the susceptible, recovered (R) represents individuals who recovered from the disease,
and death (D) is a dead individual. The schematic diagram of the SIRD model is illustrated in Figure 3.
4. Int J Elec & Comp Eng ISSN: 2088-8708
The susceptible-infected-recovered-dead model for long-term … (Muhammad Achirul Nanda)
2903
(a) (b)
(c) (d)
Figure 2. The COVID-19 trend in Indonesia: (a) people tested for COVID-19, (b) infected people,
(c) the number of recovered people, and (d) the number of dead people
Figure 3. Compartments of the SIRD model
Some assumptions in applying the SIRD model are explained as follows. Firstly, every individual in
the same compartment has spatial homogeneity. Secondly, the reference population is constant, meaning that
there were no births, deaths, and migrations in the simulation period of the model. Thirdly, disease
transmission is through contact between susceptible and infected individuals. Lastly, it is also assumed that
recovered people cannot be re-infected. The SIRD model is described by the following system of four
differential equations.
dS
SI
dt
(1)
5. ISSN: 2088-8708
Int J Elec & Comp Eng, Vol. 12, No. 3, June 2022: 2900-2910
2904
( )
dI
SI I
dt
(2)
dR
I
dt
(3)
dD
I
dt
(4)
( ) ( ) ( ) ( ) ( )
N t S t I t R t D t
(5)
Let us define 𝑆(𝑡), 𝐼(𝑡), 𝑅(𝑡) and 𝐷(𝑡) as the number of susceptible, infected, recovered, and dead
people at time 𝑡, respectively. Due to the dynamic evolution of the COVID-19 outbreak, the size of each
class can change over time and 𝑁 is the total population size (Census-based data for Indonesia 𝑁 = 268 ×
106
people). Also, based on reported data of COVID-19, the initial condition of 𝐼0, 𝑅0, and 𝐷0 can be defined
with values 2, 0, and 0, respectively. In this study, the package of the SIRD model for COVID-19 outbreaks
is applied to model and forecast on the COVID-19 in Indonesia. This model was performed in a MATLAB
2016b environment.
The SIRD model has several parameters that must be optimized to provide reliable forecasting.
These parameters are among others: i) 𝛽 is the infection rate, i.e., the probability per unit time that
susceptible individuals are exposed to the disease when entering contact with an infected person; ii) 𝛾 is the
recovery rate; and iii) 𝛿 is the death rate. In this study, the optimization process was performed with an easy
built-in function ‘ode45’ solver in MATLAB 2016b based on an explicit Runge-Kutta formula. We
calibrated the parameters 𝛽, 𝛾 and 𝛿 of the SIRD model to fit the COVID-19 data. The upper and lower
bounds in each parameter are 𝛽 (0-0.7), 𝛾 (0-1) and 𝛿 (0-0.5). The global objective function was to minimize
the residual values between prediction results and reported COVID-19 data by finding the most optimal
combination of the parameters.
2.4. Reproduction number
Human-to-human transmission of COVID-19 has been reported, and evaluation of transmissibility
plays an essential role in predicting the pandemic's probable size. In this case, the SIRD model introduces the
reproduction number parameter, ℜ0. This parameter is defined as the expected number of secondary cases
produced by a single (typical) infection in a completely susceptible population, where an infected individual
has contracted the disease and susceptible individuals are healthy, but can acquire the disease [21]. Basically,
reproduction number is a key parameter that can be used to guide control strategies in dealing with outbreaks.
If ℜ0 < 1, then the outbreak will fade out; vice versa, if ℜ0 > 1 then the epidemic will persist to infect
individuals in the population. According to study [4], the larger the value of ℜ0, the harder it is to control the
epidemic. It is straightforward to exhibit that the reproduction number is computed by (6).
0 =
(6)
2.5. Model evaluation
The epidemic trend of COVID-19 is projected from the beginning of the outbreak March 2, 2020 to
July 31, 2022. The results of the SIRD model analysis are evaluated by comparing the prediction results and
actual values [22]. In this case, we predict the cumulative number every day in each compartment (i.e.,
infected, recovered, dead). The evaluation metric coefficient determination (R2
) are applied to measure the
performance of the proposed model. The R2
is defined as the proportion of the variance in the dependent
variable that is predictable from the independent variables [17]. A good model should have a high R2
.
3. RESULTS
3.1. The SIRD model optimization and evaluation
The compartments of SIRD model are fitted on the actual data to obtain an in-depth description of
the COVID-19 epidemic pattern. The SIRD model works to build the line curve as a best-fit, which is the
best approximation of the given set of data. This best-fit is the optimal solution provided by minimizing the
smallest possible error prediction [23]. The optimal parameter values have been found based on the
6. Int J Elec & Comp Eng ISSN: 2088-8708
The susceptible-infected-recovered-dead model for long-term … (Muhammad Achirul Nanda)
2905
predetermined upper and lower bounds. Based on the numerical analysis, the optimal pair values of the
parameters 𝛽, 𝛾, and 𝛿 are 0.0953, 0.0027 and 0.0034, respectively as shown Table 1. Numerous techniques,
including genetic algorithm [24] and fuzzy logic [25], can be used to further improve these hyperparameters.
Overall, those parameters are useful for modeling and forecasting on the COVID-19 pandemic based on the
SIRD model. Based on the analysis, the parameter 𝛾 is the lowest value, it means that the recovered people
exposed by COVID-19 is complicated and takes longer. This phenomenon has the same characteristics in the
COVID-19 outbreak in Italy, where the recovered rate is lower than the infection and death rate of
COVID-19 outbreak [4], the difference in this phenomenon can be caused by variations in public health
interventions in each country [26].
Table 1. The results of the evaluation of predictions on each compartment model
Compartment model Parameter Optimal rate value (1/day) Evaluation metric of R2
Infected 𝛽0 0.0954 0.9834
Recovered 𝛾0 0.0027 0.9211
Dead 𝛿0 0.0034 0.9696
Mean 0.9580
Furthermore, the prediction results in each compartment generated by the SIRD model are validated
with actual reported data from COVID-19 in Indonesia (time period from March 2, 2020 to May 15, 2021).
Based on the analysis, the infected model has the highest R2
(0.9834) versus the dead (0.9696) and recovered
model (0.9211). This result can be explained through Figure 4, where the infected model more coincides with
the data than recovered and dead model, visually. So, this impacts the high R2
value in the infected
compartment model compared to others. R2
has a range between 0–1 and refers to the correlation between the
prediction obtained by the SIRD model and the COVID-19 data. Overall, the average R2
of the compartments
is 0.9580. For comparison, Al-qaness [6] reported that the flower pollination algorithm using the Salp swarm
algorithm (FPASSA) method for predicting confirmed cases of COVID-19 in China achieved an R2
of
0.9645.
3.2. Long-term COVID-19 forecasting
The long-term forecasting results of COVID-19 in Indonesia are depicted in Figure 4. Visually,
based on the SIRD model, the infected and death compartments follow the sigmoid or logistic curve trend,
while the recovered compartment shows the characteristic of the exponential curve trend. The solid and
dashed lines denote the long-term trend of coronavirus in each compartment based on the fits of SIRD model,
and hollow circles show reported COVID-19 data. The solid black circle (●) on the black dashed line is the
infection peak of a pandemic of the COVID-19 in Indonesia, i.e., November 5, 2021. (b) Infection, recovery,
and death rate of the COVID-19 outbreak. The epidemiology can be well described using the best-fit lines of
the SIRD model. As can be seen in Figure 4, the model is able to provide long-term projections until the mid
of 2022 by minimizing the smallest possible errors. However, it can be remarked from Figure 4(a) that the
model is less able to follow the trend in the data regarding recovered. In more detail, the model diminishes
the number of recovered people over a period of time. It should be noted that we have modified the upper and
lower bounds of each parameter to find the most optimal combination with the smallest possible error.
However, specifically for the recovered compartment, the model is still less able to follow the death trend
data. So, Figure 4 is the optimal solution given by the SIRD model. In the future, the implementation of
various machine learning, such as long short-term memory [27], Jordan recurrent neural network [28], deep
learning [29] and support vector regression [30], may present an attractive research challenge.
Based on the SIRD model, each compartment can be discussed as follows. Of the total population of
Indonesia (268 million people), there are ≈ 6,700,000 people who are susceptible to the COVID-19 epidemic
(susceptible compartment). The SIRD model places the infection peak of COVID-19 outbreak in Indonesia
on November 5, 2021 and predicts a maximum of total cumulative of infected people up to ≈ 3,200,000.
After passing the peak phase, the downward trend in the outbreak will occur slowly, and this assumes that
there are no new confirmed coronavirus cases anymore. So, the government can focus on handling infected
patients. Also, the SIRD model confirms that at the end of the epidemic, COVID-19 in Indonesia will cause
up to ≈ 63,000 deaths and result in up to ≈ 3,437,000 recoveries.
The kinetic of COVID-19 spreading in Indonesia in each compartment can be observed in detail in
Figure 4(b) (see Table 1 for each initial rate value). At the beginning of the spread of outbreaks in Indonesia
in early March, infection had the highest rate compared to recovered and death. That is, more people were
infected with COVID-19 than those who died or recovered. The recovered compartment shows a constant
rate over time which means there is a great chance of recovery from infected people. The analysis also
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estimates that the death rate will drop to zero around July 2021 and that most infected people will undergo a
recuperation process.
3.3. Reproduction number of the COVID-19 in Indonesia
As can be seen in Figure 5, the solid black circle (●) shows the initial sign that the pandemic will
start to fade out (ℜ0 < 1), i.e., November 5, 2021. The black dashed line acts as a keen threshold between
the disease dying out or leading to an epidemic. Using the epidemic model generated by SIRD approach, we
report an estimation of the reproduction number of COVID-19 during the early stage until it fades out. The
ℜ0 value at the early spreading of COVID-19 in Indonesia was 15.71. This value is still lower than that of
China at the beginning of the outbreak (i.e., 22.5) [4]. In this study, the highest peak of ℜ0 can be found on
April 3, 2020. The ℜ0 value is very closely related to the rate of infection, recovery, and death of the
outbreak, that the higher the infection rate and the lower the recovery and death rate, then the higher the ℜ0
value (6). Based on the analysis, the average reproduction number value COVID-19 in Indonesia is 7.32,
meaning that every single sick person COVID-19 can infect 7.32 people (the grey filled area in Figure 5).
The spread of the pandemic will begin to fade out after November 5, 2021 (right after reaching the peak
phase) where outbreak handling can be easily controlled. However, it should be noted that in that period, the
government will still be dealing with a number of infected people who need to be cured.
(a) (b)
Figure 4. Long-term prediction of COVID-19 outbreak (a) the fits of SIRD model in each compartment and
(b) infection, recovery and death rate of the COVID-19 outbreak
Figure 5. The reproduction number of COVID-19 in Indonesia at the early stage until it fades out
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The ℜ0 knowledge is crucial information because it is related to virus handling. The value of
ℜ0 > 1 reflects the ability of an infection spreading under no control, and vice versa. Based on the literature
studies, researchers have reported ℜ0 of COVID-19 values in several countries, i.e., 8.3 in China [4], 3.9 in
Italia [4], 3.86 in Malaysia 3.86 [31], 2.48 in Thailand [31] and 0.9 in Singapore [32]. The effective steps for
flattening the ℜ0 curve of COVID-19 are lockdown, large-scale social restrictions, as well as social and
physical distancing.
4. DISCUSSION
We have developed the SIRD model that incorporates the key epidemiological parameters to model
and estimate the spread of the COVID-19 epidemic in Indonesia. Our model formulation is data-based
analysis by considering publicly available COVID-19 data from March 2, 2020 to May 15, 2021. The key
parameters 𝛽, 𝛾, and 𝛿 has been optimized by minimizing the minimum error prediction to provide a long-
term projection of COVID-19. The proposed model is able to uncover the pattern of these outbreaks starting
from the initial stages of spread until they fade out. This understanding plays an important role for the
implementation of public limitation policies designed by the government in reducing the epidemic severity.
Based on the numerical analysis, the optimal pair values of the parameters 𝛽, 𝛾, and 𝛿 are 0.0953,
0.0027 and 0.0034, respectively. In principle, these three parameters can vary from country to country
depending on population density, culture, demography, travel patterns and other factors. Parameter 𝛽 as the
infection rate of the spread of COVID-19 in Indonesia is relatively high. We strongly suspect that this is
related to the cultural factors of the Indonesian people, one of which is the shake hands culture embedded
from the past until now in various layers of social class; unfortunately, this is an effective way to transfer
coronavirus.
Important findings in this epidemic modeling reveal that the spread of the pandemic will begin to
fade out after November 5, 2021. However, the end of this outbreak can come sooner if a vaccine has been
found and the whole society avoids various factors having an impact on increasing the infection rate. The
cumulative number of infected people recovered people and dead people is estimated to reach ≈ 3,200,000
people, ≈ 3,437,000 people and ≈ 63,000 people, respectively. Based on the performance evaluation, the
proposed SIRD model shows the cumulative number prediction capability in each compartment, which is
quite satisfactory with an average value of R2
is 0.9580. In addition, this study shows that the average
reproduction number value of COVID-19 in Indonesia is 7.32. This value is higher than the average
reproduction number of SARS in 2003, i.e., 2.5 [33]. Because COVID-19 is a new epidemic, special
treatment is needed to overcome its spread.
In Indonesia, the real action of the government in combating the COVID-19 outbreak is with large-
scale social restrictions (PSBB) policy instead of lockdown policy. PSBB is a limitation of certain activities
in an area suspected of being infected with COVID-19. This policy has been going on since April 7, 2020,
which can be extended and stopped at any time. Considering the reproduction number curve in this study,
and to avoid the second COVID-19 wave, at least the PSBB is applied until the end of August 2020. After
August 2020, all economic activity can be reopened with regard to health protocols (known as 'new normal')
and until the COVID-19 vaccine is truly found.
At this point, we need to declare that the proposed SIRD model does not consider many factors that
play an important role in the pattern of disease spread such as heterogeneous population characteristics (i.e.,
age level and people who have health problems), impact of asymptomatic infectious cases, government
policy interventions, incubation period of COVID-19 and medical facilities. However, an interesting point in
this study is that the model has fulfilled one of the assumptions required in the SIRD approach, i.e., no
migration. That is, at present, susceptible people are living in alienation similar to those required by imposing
restrictions on mobility and social life. Thus, the model successfully mimics this situation and the predicted
results will be more accurate. We remark that the proposed approach is quite general and as such can be
applied in certain regions or cities in understanding epidemic patterns. Also, to describe the complex
dynamics of a crowd that involves several interacting people, the SIRD approach can be combined with
multi-agent modeling [34], [35]. This model assumes that each individual person represents an agent that
moves within a limited area and interacts with other agents according to specific rules. This combination will
be an attractive future research direction.
A crucial aspect of COVID-19 outbreak, rather than the percentage of infections and even the death
rate, is the capacity of the health care system. The high number of infected people and the low number of
intensive care units (ICUs), as well as respiratory aid such as ventilator are some of the factors that can
exacerbate the current situation. To respond to this, the Indonesian government has built a new hospital with
a capacity of 1,000 beds on Galang Island in anticipation of a health system failure. Based on this
phenomenon, it can be concluded that no country is truly prepared for a large number of critical patients.
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Therefore, we hope that the results of our analysis have a significant contribution to the explanation of key
aspects of the COVID-19 outbreaks’ epidemiology so that this virus fades out as soon as possible regionally,
in Indonesia, and internationally.
5. CONCLUSION
Knowledge of epidemic dynamics patterns is an important part of making timely decisions and
preparing hospitals for the peak of the COVID-19 outbreak. In this work, we proposed the SIRD model,
which incorporates the key epidemiological parameters capable of forecasting the spread of COVID-19 in
Indonesia. Based on the numerical analysis, the spread of the pandemic will begin to fade out after November
5, 2021. Thus, the government needs to prepare strategic steps to adapt in overcoming coronavirus. As a
result of this COVID-19 attack, the cumulative number of infected people, recovered people and dead people
sequentially is estimated to reach ≈ 3,200,000 people, ≈ 3,437,000 people and ≈ 63,000 people, respectively.
Moreover, the key epidemiological parameter indicated that the average reproduction number value of
COVID-19 in Indonesia is 7.32. Based on performance evaluation, the proposed SIRD model is able to
predict the cumulative number in each compartment with the average value of R2
being 0.9580. The results
of this prediction are quite satisfying and thus, have the potential to be applied in certain regions or cities in
understanding the epidemic pattern of COVID-19.
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BIOGRAPHIES OF AUTHORS
Muhammad Achirul Nanda is a lecturer in the Department of Agricultural and
Biosystem Engineering, Faculty of Agro-industrial Technology, Universitas Padjadjaran. He
completed Ph.D. degree at 25 years old in the field Agricultural Engineering at the IPB
University, Indonesia. In terms of collaboration, he performed a research Internship at
Research Institute for Sustainable Humanosphere, Kyoto University in 2020. His research
interests include smart and precision agriculture, artificial intelligence system and non-
destructive measurement. In addition, he is a member of the Indonesian Society of Agricultural
Engineering (PERTETA). He can be contacted at email: m.achirul@unpad.ac.id.
Anifatul Faricha started her undergraduate program in 2010 with a Bidik Misi
Scholarship at Electrical Engineering, ITS, Surabaya Indonesia. In 2014, she received a
scholarship from Taiwan to continue her Master's Program at the Graduate Institute of
Automation and Control (GIAC), National Taiwan University of Science and Technology
(NTUST). Then, in 2020, she received a MEXT Scholarship from the Japanese Government to
continue her doctoral studies at Tokyo Institute of Technology, Department of Information and
Communication Engineering. She has joined ITTelkom Surabaya since 2018. Her research
interests include Machine Learning, Electronic Nose, Sensor System, Artificial Intelligence,
Diffraction Based Overlay, Chip Metrology, and Amperometric Sensor. She can be contacted
at email: faricha@ittelkom-sby.ac.id.
Siti Maghfirotul Ulyah is a junior lecturer at the Department of Mathematics
Universitas Airlangga. She finished her bachelor study in Statistics, Institut Teknologi Sepuluh
Nopember in 2014. Then, she continued her master’s degree in finance, National Taiwan
University of Science and Technology. She was awarded a scholarship from the Ministry of
Religious Affairs Indonesia during her undergraduate study and scholarship from NTUST for
her master study. Her research interest is in Financial Statistics, Stochastic Modelling and
Time Series Analysis. She can be contacted at email: maghfirotul.ulyah@fst.unair.ac.id.
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Ni’matut Tamimah is a junior lecturer in the Marine Engineering Department,
Shipbuilding Institute of Polytechnic Surabaya since 2018. Her Education background started
from 2009 in Physics major, Universitas Airlangga. In 2014, she received a scholarship from
the Taiwan Government to continue Master Program at the Graduate Institute of Applied
Science (GIAS), National Taiwan University of Science and Technology (NTUST). She can be
contacted at email: nimatuttamimah@ppns.ac.id.
Enny Indasyah is a lecturer in Department of Electrical Automation Engineering,
Faculty of Vocational, Institut Teknologi Sepuluh Nopember (ITS) Surabaya. She started the
bachelor program in 2009 in Telecommunication Engineering Department, Electronic
Engineering Polytechnic Institute of Surabaya (EEPIS). In 2013, she received fresh graduate
Scholarship from Indonesia Government to continue the master program in Electrical
Engineering Department, Institut Teknologi Sepuluh Nopember (ITS) Surabaya. Then, in
2014, she received scholarship from Taiwan for Double degree master program in Computer
Science Department, National Taiwan University of Science and Technology (NTUST). Her
research focus includes image processing, artificial intelligence, data science, machine vision
and machine learning. She can be contacted at email: enny_indasyah@its.ac.id.
Muhammad Falahudin Malich Salaz works in Pharmaceutical Industry,
PT Eisai Indonesia, Bogor 16810, West Java Province, Indonesia. He completed the bachelor
degree in Department of Pharmacy, Universitas Indonesia. He can be contacted at email:
malich.salaz@gmail.com.
Qurrotun 'Ayun Mawadatur Rohmah is a General practitioner in Dr. Soegiri
Regional Public Hospital, Lamongan, Indonesia. She completed the bachelor degree in the
Faculty of Medicine, Universitas Diponegoro. She can be contacted at email:
12qurrotun.ayun@gmail.com.
Ulfah Abqari is Ph.D. student of Infectious Diseases and Public Health in the
Department of Public Health, Faculty of Medicine and Health Science, Erasmus MC,
University Medical Center, The Netherlands. She took a bachelor degree of Public Health in
Faculty of Public Health, Universitas Airlangga Surabaya. Her Ph.D. study focuses on
promoting early case detection of leprosy in Indonesia incorporated in the multi-country study
of PEP++ in Brazil and India. He can be contacted at email: ulfah@nlrindonesia.or.id.