Multiple diseases require a blood transfusion on daily basis. The process of a blood transfusion is successful when the type and amount of blood is available and when the blood is transported at the right time from the blood bank to the operating room. Blood distribution has a large portion of the cost in hospital logistics. The blood bank can serve various hospitals; however, amount of blood is limited due to donor shortage. The transportation must handle several requirements such as timely delivery, vibration avoidance, temperature maintenance, to keep the blood usable. In this paper, we discuss in first section the issues with blood delivery and constraint. The second section present routing and scheduling system based on artificial intelligence to deliver blood from the blood-banks to hospitals based on single blood bank and multiple blood banks with respect of the vehicle capacity used to deliver the blood and creating the shortest path. The third section consist on solution for predicting the blood needs for each hospital based on transfusion history using machine learning and fuzzy logic. The last section we compare the results of well-known solution with our solution in several cases such as shortage and sudden changes.
Real-time cloud system for managing blood units and convalescent plasma for C...IJECEIAES
In health care systems, blood management services are essential to saving lives. In such systems, when a unit of blood is required, if the system is not able to provide it on time, sometimes this may lead to patient death, especially in critical cases. Unfortunately, even if the required blood unit is available within the system, contradictions may occur and the required blood unit may not be allocated to critical cases on time, due to the allocation of these units to lower priority cases or due to the isolated operate of blood banks within these systems. So, to overcome these obstacles, we proposed a real-time system on a cloud, to managing blood units within the whole health care system. This system will allocate blood units depends on the deadline and the severity of the case that needs blood, in addition to the types, quantities, and position of available blood units. Where, this system eliminated the need for human intervention in managing blood units, in addition to offering the ability to easily develop the system to deal with new urgent requirements, which need new methods of managing blood units; as is happening today with the COVID-19 epidemic. This system increases the performance, transparency, reliability, and accuracy of blood unit management operations while reducing the required cost and effort.
World population keeps growing up and injuries related death statistics is increasing. Optimizing healthcare logistic processes became then a vital need to lead patient cares to higher performances. Moreover, Worldwide healthcare systems
are facing the challenge of the sophistical facilities rising costs as well as patients’ requirement of high-quality care at lower cost. In the other hand, undetected behaviors of citizens and
environmental constraints are influencing the quality of
deployment which amplifying the response time threshold. In the
present paper, we regulate vehicles capacities to optimize patients picking for each incident nature. We proposed also a dynamic vehicle relocation and routing using a decision making processes. We are considering for each decision to take, the aspect of the variable emergency constraints influence to satisfy different scenarios of daily life.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing
process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an
exception; there are many test data can be collected from their patients. In this paper, we applied data
mining techniques to discover the relations between blood test characteristics and blood tumor in order to
predict the disease in an early stage, which can be used to enhance the curing ability. We conducted
experiments in our blood test dataset using three different data mining techniques which are association
rules, rule induction and deep learning. The goal of our experiments is to generate models that can
distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine.
The final results showed that association rules could give us the relationship between blood test
characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to
predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an
explanation of rules that describes both tumor in blood and normal hematology.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing
process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an
exception; there are many test data can be collected from their patients. In this paper, we applied data
mining techniques to discover the relations between blood test characteristics and blood tumor in order to
predict the disease in an early stage, which can be used to enhance the curing ability. We conducted
experiments in our blood test dataset using three different data mining techniques which are association
rules, rule induction and deep learning. The goal of our experiments is to generate models that can
distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine.
The final results showed that association rules could give us the relationship between blood test
characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to
predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an
explanation of rules that describes both tumor in blood and normal hematology.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an exception; there are many test data can be collected from their patients. In this paper, we applied data mining techniques to discover the relations between blood test characteristics and blood tumor in order to predict the disease in an early stage, which can be used to enhance the curing ability. We conducted experiments in our blood test dataset using three different data mining techniques which are association rules, rule induction and deep learning. The goal of our experiments is to generate models that can distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine. The final results showed that association rules could give us the relationship between blood test characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an explanation of rules that describes both tumor in blood and normal hematology.
Real-time cloud system for managing blood units and convalescent plasma for C...IJECEIAES
In health care systems, blood management services are essential to saving lives. In such systems, when a unit of blood is required, if the system is not able to provide it on time, sometimes this may lead to patient death, especially in critical cases. Unfortunately, even if the required blood unit is available within the system, contradictions may occur and the required blood unit may not be allocated to critical cases on time, due to the allocation of these units to lower priority cases or due to the isolated operate of blood banks within these systems. So, to overcome these obstacles, we proposed a real-time system on a cloud, to managing blood units within the whole health care system. This system will allocate blood units depends on the deadline and the severity of the case that needs blood, in addition to the types, quantities, and position of available blood units. Where, this system eliminated the need for human intervention in managing blood units, in addition to offering the ability to easily develop the system to deal with new urgent requirements, which need new methods of managing blood units; as is happening today with the COVID-19 epidemic. This system increases the performance, transparency, reliability, and accuracy of blood unit management operations while reducing the required cost and effort.
World population keeps growing up and injuries related death statistics is increasing. Optimizing healthcare logistic processes became then a vital need to lead patient cares to higher performances. Moreover, Worldwide healthcare systems
are facing the challenge of the sophistical facilities rising costs as well as patients’ requirement of high-quality care at lower cost. In the other hand, undetected behaviors of citizens and
environmental constraints are influencing the quality of
deployment which amplifying the response time threshold. In the
present paper, we regulate vehicles capacities to optimize patients picking for each incident nature. We proposed also a dynamic vehicle relocation and routing using a decision making processes. We are considering for each decision to take, the aspect of the variable emergency constraints influence to satisfy different scenarios of daily life.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing
process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an
exception; there are many test data can be collected from their patients. In this paper, we applied data
mining techniques to discover the relations between blood test characteristics and blood tumor in order to
predict the disease in an early stage, which can be used to enhance the curing ability. We conducted
experiments in our blood test dataset using three different data mining techniques which are association
rules, rule induction and deep learning. The goal of our experiments is to generate models that can
distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine.
The final results showed that association rules could give us the relationship between blood test
characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to
predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an
explanation of rules that describes both tumor in blood and normal hematology.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing
process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an
exception; there are many test data can be collected from their patients. In this paper, we applied data
mining techniques to discover the relations between blood test characteristics and blood tumor in order to
predict the disease in an early stage, which can be used to enhance the curing ability. We conducted
experiments in our blood test dataset using three different data mining techniques which are association
rules, rule induction and deep learning. The goal of our experiments is to generate models that can
distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine.
The final results showed that association rules could give us the relationship between blood test
characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to
predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an
explanation of rules that describes both tumor in blood and normal hematology.
BLOOD TUMOR PREDICTION USING DATA MINING TECHNIQUEShiij
Healthcare systems generate a huge data collected from medical tests. Data mining is the computing process of discovering patterns in large data sets such as medical examinations. Blood diseases are not an exception; there are many test data can be collected from their patients. In this paper, we applied data mining techniques to discover the relations between blood test characteristics and blood tumor in order to predict the disease in an early stage, which can be used to enhance the curing ability. We conducted experiments in our blood test dataset using three different data mining techniques which are association rules, rule induction and deep learning. The goal of our experiments is to generate models that can distinguish patients with normal blood disease from patients who have blood tumor. We evaluated our
results using different metrics applied on real data collected from Gaza European hospital in Palestine. The final results showed that association rules could give us the relationship between blood test characteristics and blood tumor. Also, it demonstrated that deep learning classifiers has the best ability to predict tumor types of blood diseases with an accuracy of 79.45%. Also, rule induction gave us an explanation of rules that describes both tumor in blood and normal hematology.
A FRAMEWORK FOR THE INTERCONNECTION OF CONTROLLER AREA NETWORK (CAN) BASED CR...ijait
Patient monitoring helps increasing the mortality by timely notification of exceeding vital signs. By using the vital sign data the critical care staff can make necessary life saving interventions. This requires the underlying network to be very robust so that timely and error free information flow can be guaranteed. Moreover there is a need for a cost effective and robust network technology for continuous and real- time vital signs monitoring in resource constraint settings in developing countries. In this paper we proposed a system of hospitals with interconnected intensive care units. Each intensive care unit employs Controller Area Network (CAN) as underlying technology for networking of bedside units. The data of these bedside units can be communicated with other hospital using higher level protocols such as Ethernet. This allow the hospital staff to share the health information of the patients with the specialized staff in another hospital to provide better cure to the patient and consequently can increase the mortality.
Life is the most precious gift to man and safeguarding this gift is of utmost importance.With
increasing number of diseases and fast paced lives, people have less time to look after themselves and
their family members or to even visit the doctor for regular check-ups.Our E-Health patient
monitoring system can remotely monitor the health of the patients and intimate the doctor of critical
conditions without human intervention. Some of the existing E-Health systems include telemedicine
network for Francophone African countries (RAFT) and LOBIN. RAFT is implemented in java and
uses asymmetric public – private key encryption, however it is expensive, does not support mobility
and is not a context aware system. LOBIN is a hardware/software platform to locate and monitor a set
of physiological parameters and context parameters of several patients within hospital facilities.
Although it is a context aware system it cannot handle high and concurrent data traffic load.
To overcome the above flaws, our proposed system puts forward an idea of patient monitoring
using various knowledge based techniques like K-means clustering, Gaussian kernel function, ANN
and Fuzzy inference engine. In our project we intend to do remote patient health monitoring in which
we will be using three-four machines which will send various sensed health parameters to the
centralised server that will make clusters of the sensed health parameters based on criticality of the
health condition. Then depending upon clusters formed and on comparison with the threshold values
appropriate reports will be generated and send to the doctors and caretakers.
There has been increasing demand in improving service provisioning in hospital resources management. Hospital industries work with strict budget constraint at the same time assures quality care. To achieve quality care with budget constraint an efficient prediction model is required. Recently there has been various time series based prediction model has been proposed to manage hospital resources such ambulance monitoring, emergency care and so on. These models are not efficient as they do not consider the nature of scenario such climate condition etc. To address this artificial intelligence is adopted. The issues with existing prediction are that the training suffers from local optima error. This induces overhead and affects the accuracy in prediction. To overcome the local minima error, this work presents a patient inflow prediction model by adopting resilient backpropagation neural network. Experiment are conducted to evaluate the performance of proposed model inter of RMSE and MAPE. The outcome shows the proposed model reduces RMSE and MAPE over existing back propagation based artificial neural network. The overall outcomes show the proposed prediction model improves the accuracy of prediction which aid in improving the quality of health care management.
There has been increasing demand in improving service provisioning in hospital resources
management. Hospital industries work with strict budget constraint at the same time assures quality care.
To achieve quality care with budget constraint an efficient prediction model is required. Recently there has
been various time series based prediction model has been proposed to manage hospital resources such
ambulance monitoring, emergency care and so on. These models are not efficient as they do not consider
the nature of scenario such climate condition etc. To address this artificial intelligence is adopted. The
issues with existing prediction are that the training suffers from local optima error. This induces overhead
and affects the accuracy in prediction. To overcome the local minima error, this work presents a patient
inflow prediction model by adopting resilient backpropagation neural network. Experiment are conducted to
evaluate the performance of proposed model inter of RMSE and MAPE. The outcome shows the proposed
model reduces RMSE and MAPE over existing back propagation based artificial neural network. The
overall outcomes show the proposed prediction model improves the accuracy of prediction which aid in
improving the quality of health care management
A hybrid algorithm to size the hospital resources in the case of a massive in...IJECEIAES
Disaster situations either natural or made-man caused a large number of deaths and injured people. Morocco has experienced several disasters recently, the last one was the railway accident on 16 October 2018, which caused 127 serious injuries and 7 deaths. This large number was a big problem for the hospital to manage the received victims in right direction, which caused lives lost and disability. In this article, in collaboration with Mohammed (V) hospital in Casablanca city in Morocco, we suggested a solution that saves lives and eliminates number of disability by using a hybrid algorithm to size the hospital resources in the case of a massive influx of victims. We also suggested a support decision tool that is called Emergency Support Decision Tool. This helpful tool gives an idea about the needed resources that support these emergencies according to the victim’s number. The proposed solution consisted in making a hybrid algorithm that mixed the theoretical simulation process and the experience feedback by developing hybrid genetic and hybrid heuristic algorithms. These algorithms using as an input the matrix solutions that generated under ARENA software and the solution generated by neural networks that based on experiences feedback. The objective was to provide a solution based on available resources. In fact, the results showed that the hybrid heuristic algorithm is more performant than the hybrid genetic algorithm.
Call for Papers- Thematic Issue: Food, Drug and Energy Production, PERIÓDICO ...Christo Ananth
Published since 2004, Periódico Tchê Química (PQT) is a is a triannual (published every four months), international, fully peer-reviewed, and open-access Journal that welcomes high-quality theoretically informed publications in the multi and interdisciplinary fields of Chemistry, Biology, Physics, Mathematics, Pharmacy, Medicine, Engineering, Agriculture and Education in Science.
Researchers from all countries are invited to publish on its pages. The Journal is committed to achieving a broad international appeal, attracting contributions, and addressing issues from a range of disciplines. The Periódico Tchê Química is a double-blind peer-review journal dedicated to express views on the covered topics, thereby generating a cross current of ideas on emerging matters
Class imbalance is a pervasive issue in the field of disease classification from
medical images. It is necessary to balance out the class distribution while training a model. However, in the case of rare medical diseases, images from affected
patients are much harder to come by compared to images from non-affected
patients, resulting in unwanted class imbalance. Various processes of tackling
class imbalance issues have been explored so far, each having its fair share of
drawbacks. In this research, we propose an outlier detection based image classification technique which can handle even the most extreme case of class imbalance. We have utilized a dataset of malaria parasitized and uninfected cells. An
autoencoder model titled AnoMalNet is trained with only the uninfected cell images at the beginning and then used to classify both the affected and non-affected
cell images by thresholding a loss value. We have achieved an accuracy, precision, recall, and F1 score of 98.49%, 97.07%, 100%, and 98.52% respectively,
performing better than large deep learning models and other published works.
As our proposed approach can provide competitive results without needing the
disease-positive samples during training, it should prove to be useful in binary
disease classification on imbalanced datasets.
Machine Learning and the Value of Health TechnologiesCovance
Machine learning can be applied through the development of algorithms that can unravel or "learn" complex associations in large datasets with limited human input. These algorithms are capable of making predictions that go beyond our capabilities as humans and they can process and analyze more possibilities. Machine learning may help us find answers to questions that we didn't even think of in the past, revealing evidence previously hidden among the data. We can use these methods to dig up imperceptible patterns and allow health technologies to be used at the right time and for the right patient population. (A4 Version)
Everything related to Multimedia in Healthcare is clearly explained and will help you solve all your problems on how important Multimedia is in Healthcare.
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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A FRAMEWORK FOR THE INTERCONNECTION OF CONTROLLER AREA NETWORK (CAN) BASED CR...ijait
Patient monitoring helps increasing the mortality by timely notification of exceeding vital signs. By using the vital sign data the critical care staff can make necessary life saving interventions. This requires the underlying network to be very robust so that timely and error free information flow can be guaranteed. Moreover there is a need for a cost effective and robust network technology for continuous and real- time vital signs monitoring in resource constraint settings in developing countries. In this paper we proposed a system of hospitals with interconnected intensive care units. Each intensive care unit employs Controller Area Network (CAN) as underlying technology for networking of bedside units. The data of these bedside units can be communicated with other hospital using higher level protocols such as Ethernet. This allow the hospital staff to share the health information of the patients with the specialized staff in another hospital to provide better cure to the patient and consequently can increase the mortality.
Life is the most precious gift to man and safeguarding this gift is of utmost importance.With
increasing number of diseases and fast paced lives, people have less time to look after themselves and
their family members or to even visit the doctor for regular check-ups.Our E-Health patient
monitoring system can remotely monitor the health of the patients and intimate the doctor of critical
conditions without human intervention. Some of the existing E-Health systems include telemedicine
network for Francophone African countries (RAFT) and LOBIN. RAFT is implemented in java and
uses asymmetric public – private key encryption, however it is expensive, does not support mobility
and is not a context aware system. LOBIN is a hardware/software platform to locate and monitor a set
of physiological parameters and context parameters of several patients within hospital facilities.
Although it is a context aware system it cannot handle high and concurrent data traffic load.
To overcome the above flaws, our proposed system puts forward an idea of patient monitoring
using various knowledge based techniques like K-means clustering, Gaussian kernel function, ANN
and Fuzzy inference engine. In our project we intend to do remote patient health monitoring in which
we will be using three-four machines which will send various sensed health parameters to the
centralised server that will make clusters of the sensed health parameters based on criticality of the
health condition. Then depending upon clusters formed and on comparison with the threshold values
appropriate reports will be generated and send to the doctors and caretakers.
There has been increasing demand in improving service provisioning in hospital resources management. Hospital industries work with strict budget constraint at the same time assures quality care. To achieve quality care with budget constraint an efficient prediction model is required. Recently there has been various time series based prediction model has been proposed to manage hospital resources such ambulance monitoring, emergency care and so on. These models are not efficient as they do not consider the nature of scenario such climate condition etc. To address this artificial intelligence is adopted. The issues with existing prediction are that the training suffers from local optima error. This induces overhead and affects the accuracy in prediction. To overcome the local minima error, this work presents a patient inflow prediction model by adopting resilient backpropagation neural network. Experiment are conducted to evaluate the performance of proposed model inter of RMSE and MAPE. The outcome shows the proposed model reduces RMSE and MAPE over existing back propagation based artificial neural network. The overall outcomes show the proposed prediction model improves the accuracy of prediction which aid in improving the quality of health care management.
There has been increasing demand in improving service provisioning in hospital resources
management. Hospital industries work with strict budget constraint at the same time assures quality care.
To achieve quality care with budget constraint an efficient prediction model is required. Recently there has
been various time series based prediction model has been proposed to manage hospital resources such
ambulance monitoring, emergency care and so on. These models are not efficient as they do not consider
the nature of scenario such climate condition etc. To address this artificial intelligence is adopted. The
issues with existing prediction are that the training suffers from local optima error. This induces overhead
and affects the accuracy in prediction. To overcome the local minima error, this work presents a patient
inflow prediction model by adopting resilient backpropagation neural network. Experiment are conducted to
evaluate the performance of proposed model inter of RMSE and MAPE. The outcome shows the proposed
model reduces RMSE and MAPE over existing back propagation based artificial neural network. The
overall outcomes show the proposed prediction model improves the accuracy of prediction which aid in
improving the quality of health care management
A hybrid algorithm to size the hospital resources in the case of a massive in...IJECEIAES
Disaster situations either natural or made-man caused a large number of deaths and injured people. Morocco has experienced several disasters recently, the last one was the railway accident on 16 October 2018, which caused 127 serious injuries and 7 deaths. This large number was a big problem for the hospital to manage the received victims in right direction, which caused lives lost and disability. In this article, in collaboration with Mohammed (V) hospital in Casablanca city in Morocco, we suggested a solution that saves lives and eliminates number of disability by using a hybrid algorithm to size the hospital resources in the case of a massive influx of victims. We also suggested a support decision tool that is called Emergency Support Decision Tool. This helpful tool gives an idea about the needed resources that support these emergencies according to the victim’s number. The proposed solution consisted in making a hybrid algorithm that mixed the theoretical simulation process and the experience feedback by developing hybrid genetic and hybrid heuristic algorithms. These algorithms using as an input the matrix solutions that generated under ARENA software and the solution generated by neural networks that based on experiences feedback. The objective was to provide a solution based on available resources. In fact, the results showed that the hybrid heuristic algorithm is more performant than the hybrid genetic algorithm.
Call for Papers- Thematic Issue: Food, Drug and Energy Production, PERIÓDICO ...Christo Ananth
Published since 2004, Periódico Tchê Química (PQT) is a is a triannual (published every four months), international, fully peer-reviewed, and open-access Journal that welcomes high-quality theoretically informed publications in the multi and interdisciplinary fields of Chemistry, Biology, Physics, Mathematics, Pharmacy, Medicine, Engineering, Agriculture and Education in Science.
Researchers from all countries are invited to publish on its pages. The Journal is committed to achieving a broad international appeal, attracting contributions, and addressing issues from a range of disciplines. The Periódico Tchê Química is a double-blind peer-review journal dedicated to express views on the covered topics, thereby generating a cross current of ideas on emerging matters
Class imbalance is a pervasive issue in the field of disease classification from
medical images. It is necessary to balance out the class distribution while training a model. However, in the case of rare medical diseases, images from affected
patients are much harder to come by compared to images from non-affected
patients, resulting in unwanted class imbalance. Various processes of tackling
class imbalance issues have been explored so far, each having its fair share of
drawbacks. In this research, we propose an outlier detection based image classification technique which can handle even the most extreme case of class imbalance. We have utilized a dataset of malaria parasitized and uninfected cells. An
autoencoder model titled AnoMalNet is trained with only the uninfected cell images at the beginning and then used to classify both the affected and non-affected
cell images by thresholding a loss value. We have achieved an accuracy, precision, recall, and F1 score of 98.49%, 97.07%, 100%, and 98.52% respectively,
performing better than large deep learning models and other published works.
As our proposed approach can provide competitive results without needing the
disease-positive samples during training, it should prove to be useful in binary
disease classification on imbalanced datasets.
Machine Learning and the Value of Health TechnologiesCovance
Machine learning can be applied through the development of algorithms that can unravel or "learn" complex associations in large datasets with limited human input. These algorithms are capable of making predictions that go beyond our capabilities as humans and they can process and analyze more possibilities. Machine learning may help us find answers to questions that we didn't even think of in the past, revealing evidence previously hidden among the data. We can use these methods to dig up imperceptible patterns and allow health technologies to be used at the right time and for the right patient population. (A4 Version)
Everything related to Multimedia in Healthcare is clearly explained and will help you solve all your problems on how important Multimedia is in Healthcare.
Similar to A fuzzy-based prediction approach for blood delivery using machine learning and genetic algorithm (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
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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
According to the World Health Organization (WHO), seventy million individuals worldwide suffer from epilepsy, a neurological disorder. While electroencephalography (EEG) is crucial for diagnosing epilepsy and monitoring the brain activity of epilepsy patients, it requires a specialist to examine all EEG recordings to find epileptic behavior. This procedure needs an experienced doctor, and a precise epilepsy diagnosis is crucial for appropriate treatment. To identify epileptic seizures, this study employed a convolutional neural network (CNN) based on raw scalp EEG signals to discriminate between preictal, ictal, postictal, and interictal segments. The possibility of these characteristics is explored by examining how well timedomain signals work in the detection of epileptic signals using intracranial Freiburg Hospital (FH), scalp Children's Hospital Boston-Massachusetts Institute of Technology (CHB-MIT) databases, and Temple University Hospital (TUH) EEG. To test the viability of this approach, two types of experiments were carried out. Firstly, binary class classification (preictal, ictal, postictal each versus interictal) and four-class classification (interictal versus preictal versus ictal versus postictal). The average accuracy for stage detection using CHB-MIT database was 84.4%, while the Freiburg database's time-domain signals had an accuracy of 79.7% and the highest accuracy of 94.02% for classification in the TUH EEG database when comparing interictal stage to preictal stage.
Analysis of driving style using self-organizing maps to analyze driver behaviorIJECEIAES
Modern life is strongly associated with the use of cars, but the increase in acceleration speeds and their maneuverability leads to a dangerous driving style for some drivers. In these conditions, the development of a method that allows you to track the behavior of the driver is relevant. The article provides an overview of existing methods and models for assessing the functioning of motor vehicles and driver behavior. Based on this, a combined algorithm for recognizing driving style is proposed. To do this, a set of input data was formed, including 20 descriptive features: About the environment, the driver's behavior and the characteristics of the functioning of the car, collected using OBD II. The generated data set is sent to the Kohonen network, where clustering is performed according to driving style and degree of danger. Getting the driving characteristics into a particular cluster allows you to switch to the private indicators of an individual driver and considering individual driving characteristics. The application of the method allows you to identify potentially dangerous driving styles that can prevent accidents.
Hyperspectral object classification using hybrid spectral-spatial fusion and ...IJECEIAES
Because of its spectral-spatial and temporal resolution of greater areas, hyperspectral imaging (HSI) has found widespread application in the field of object classification. The HSI is typically used to accurately determine an object's physical characteristics as well as to locate related objects with appropriate spectral fingerprints. As a result, the HSI has been extensively applied to object identification in several fields, including surveillance, agricultural monitoring, environmental research, and precision agriculture. However, because of their enormous size, objects require a lot of time to classify; for this reason, both spectral and spatial feature fusion have been completed. The existing classification strategy leads to increased misclassification, and the feature fusion method is unable to preserve semantic object inherent features; This study addresses the research difficulties by introducing a hybrid spectral-spatial fusion (HSSF) technique to minimize feature size while maintaining object intrinsic qualities; Lastly, a soft-margins kernel is proposed for multi-layer deep support vector machine (MLDSVM) to reduce misclassification. The standard Indian pines dataset is used for the experiment, and the outcome demonstrates that the HSSF-MLDSVM model performs substantially better in terms of accuracy and Kappa coefficient.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
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• Remote control system for accessing CCR and allied system over serial or TCP.
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Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Quality defects in TMT Bars, Possible causes and Potential Solutions.
A fuzzy-based prediction approach for blood delivery using machine learning and genetic algorithm
1. International Journal of Electrical and Computer Engineering (IJECE)
Vol. 12, No. 1, February 2022, pp. 1056~1068
ISSN: 2088-8708, DOI: 10.11591/ijece.v12i1.pp1056-1068 1056
Journal homepage: http://ijece.iaescore.com
A fuzzy-based prediction approach for blood delivery using
machine learning and genetic algorithm
Marouane El Midaoui, Mohammed Qbadou, Khalifa Mansouri
Signals, Distributed Systems and Artificial Intelligence ENSET Mohammedia, University Hassan II of Casablanca, Casablanca,
Morocco
Article Info ABSTRACT
Article history:
Received Feb 22, 2021
Revised Jul 20, 2021
Accepted Aug 5, 2021
Multiple diseases require a blood transfusion on daily basis. The process of a
blood transfusion is successful when the type and amount of blood is
available and when the blood is transported at the right time from the blood
bank to the operating room. Blood distribution has a large portion of the cost
in hospital logistics. The blood bank can serve various hospitals; however,
amount of blood is limited due to donor shortage. The transportation must
handle several requirements such as timely delivery, vibration avoidance,
temperature maintenance, to keep the blood usable. In this paper, we discuss
in first section the issues with blood delivery and constraint. The second
section present routing and scheduling system based on artificial intelligence
to deliver blood from the blood-banks to hospitals based on single blood
bank and multiple blood banks with respect of the vehicle capacity used to
deliver the blood and creating the shortest path. The third section consist on
solution for predicting the blood needs for each hospital based on transfusion
history using machine learning and fuzzy logic. The last section we compare
the results of well-known solution with our solution in several cases such as
shortage and sudden changes.
Keywords:
Blood demand prediction
Blood supply chain
Fuzzy logic
Genetic algorithm
MDVRP
Transfer learning
VRP
This is an open access article under the CC BY-SA license.
Corresponding Author:
Marouane El Midaoui
Signals, Distributed Systems and Artificial Intelligence ENSET Mohammedia, University Hassan II of
Casablanca
Casablanca, Morocco
Email: marouane.elmidaoui@gmail.com
1. INTRODUCTION
These days, various diseases require a blood transfusion. Many patients, whatever the urgency of
their situations, need a transfusion of red blood cells and/or platelets. The process of a blood transfusion is
successful when the type and amount of blood needed is available and when the blood is transported at the
right time. By having a blood unit from donors through blood banks and also those units should cover the
need for quantity and type of blood. In the last decade, several countries attempted to create a social
sensibility and requested for blood donation from public, because blood cannot be produced synthetically,
and there is a positive outcome from the citizens. However, and unfortunately in many cases, the patients
succumb to their injuries or illnesses and lose life due to delay in delivery process, or the blood not usable
due to quality issues while transporting. Blood shortage remains and the blood demand over a time horizon is
uncertain and also perishability. During each surgical operation, blood units are required. Transporting blood
in an emergency on time and under the right conditions can, therefore, save many lives. Transportation needs
to be more delicate since blood products have a limited lifespan hence, transportation-represents a critical
stage in the transfusion chain which must be properly controlled. Transport must guarantee the integrity of
blood while allowing rapid delivery to ensure the safety of the patient.
2. Int J Elec & Comp Eng ISSN: 2088-8708
A fuzzy-based prediction approach for blood delivery using … (Marouane El Midaoui)
1057
The idea is to determine the approach to be implemented to guarantee the quality of the goods, in
our case blood units, transported both in terms of thermal and physical integrity within a well-defined period
and in compliance with the hygiene and safety conditions of these organic products. Therefore, a good and
efficient delivery system is needed, especially between blood-banks to the operation room, the system needs
to provide a pulling approach from the blood bank and serve a set of hospitals while respecting the vehicle
capacity and delivery time constraints. This approach is done using the vehicle routing problem (VRP) or
traveling salesman problem (TSP) in case of only one route. VRP can be defined as the solution of creating
optimal delivery from one or more depots to a certain number of dispersed customers. We can project this
approach to our needs as blood-bank and hospital instead of depot and customer. However, in reality, many
blood-banks can be located near to a set of hospitals, for this matter, the adaptation of new approaches such
as the multiple depot vehicle routing problem (MDVRP) is required. There are three phases for optimization
using MDVRP, grouping, routing, and scheduling. In the last phase, genetic algorithms can be used to attain
more than one solution by fitness value. This transportation system needs to predict the amount of demand
for each hospital, based on the history of demand.
This paper is organized as follows: Section 1 is about motivation and research method, section 2
presents the fuzzification of historical data to simplify the learning stage, section 3 discusses the prediction of
hospital needs by using machine learning based on fuzzified data. Section 4 is about the research method
between VRP and MDVRP for blood delivery using genetic algorithms after the defuzzification of machine
learning data and followed with the result in section 5.
2. LITERATURE REVIEW
Blood storage and delivery is a well-known challenge that persists in the healthcare sector for
decades, Martinez and Fedda [1] discuss those challenges and the requirement to store blood with different
components like, red blood cells (RBCs) can be stored up to 42 days, platelets to 5 days, and plasma to one
year. Jian et al. [2] author presents a decision cloud-based system for the risk assessment of heart disease by
leveraging the techniques of a fuzzy expert system. Viegas et al. [3] use fuzzy logic to solve patients
readmitted to care units, also Morsi and Gawad [4] use fuzzy logic in health-related diagnosis for the
diagnosis of heart and blood pressure measurements. Viegas et al. [3] proposed a model to predict
readmissions of care units using feature selection and fuzzy logic approaches. Alkahtani and Jilani [5] use
machine learning to predict the return on donor blood donation with data mining. A 2016 study at New York
City Blood Center [6] for blood supply demand forecast, to determine the optimal method of prediction,
based on a comparison using moving average (MA), exponential smoothing (ES), autoregressive integrated
moving average (ARIMA) and vector autoregressive integrated moving average (VARMA) models where
the results showed that the accuracy of ARIMA models and their simplicity compared to VARMA made
them the best models to predict blood demand, when compared the ARIMA model with artificial neural
networks (ANNs) [7], and shows that ANN overcomes ARIMA in demand forecasting on monthly blood
demand.
For the routing part, VRP natural computing algorithms show a suitable result. Yu et al. [8]
proposed an improved ant colony algorithm to solve VRP which gives better results in the comparison
between other heuristic methods, yet another approach proposed by the Gong et al. [9] based on particle
swarm optimization (PSO) for VRP with time windows, the simulation result shows the efficiency of
Solomon's benchmark testing algorithm. Multi-depot vehicle routing problem is considered one of the well-
known solutions in the research field currently for solving the delivery of goods in multi-depot instead of one
depot as VRP, and the goal is to optimize cost and exchange between multiple sources and destinations.
Zhang et al. [10] proposed a model MDGVRP (MD green VRP) based on an ant colony with a solution to
route the optimal path while taking into account the capacity of the vehicle and also fuel capacity of such
vehicle. Vehicle routing problems cannot be resolved with a high precision, caused by the height computing
power. To get better precision, the genetic algorithm (GA) can be used in this case, because of the stochastic
properties and efficiency of GA, MDVRP can be resolved by using those techniques. Osaba et al. [11]
describe several applied metaheuristic approaches. Laporte et al. [12] and Lenstra dan Kan [13] tried to solve
the problem with exact methods, however in [14] demonstrated that both techniques are not effective. Aras et
al. [15] solved for Priced MDVRP, which the vehicle visits a customer only if it is profitable, where in they
propose two methods: the heuristic method to solve the MDVRP, and mixed-integer linear programming
(MILP), and concluded that heuristics give better results.
3. RESEARCH METHOD
There is uncertainty in the demand and distribution of blood in the healthcare industry, which drives
it necessary to study and understand the history of demands for blood in order to be able to predict future
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needs for a wide blood type. Blood unit bag distribution has a large share of the cost in hospital logistics. It
causes high-cost transportation, but also risks to the quality and requirement of transportation, such as
vibration avoidance, temperature maintenance, and timely delivery, especially in emergency situations. When
the distribution is not optimal, blood quality is greatly influenced by transportation. Related to this matter, the
distribution process needed to be optimized and predictable. The first step in our proposition is to predict the
number of units that can be requested from each hospital. This prediction is based on historical data of
demand of the hospitals. After the donor signs a consent form, the collection of blood from donors can be
with two methods, manually or automated apheresis devices. This blood then will be processed into three
components, red blood cells, Platelets, and Plasma, each one has specific conditions for storing and quality
control based on the duration of storage, where the red blood cells (RBCs) can be stored up to 42 days, the
platelets up to 5 days, and plasma up to one year [1]. Therefore, each hospital has a specific demand for these
components. However, usually, the demand for blood units in the historical data is set as a numeric value,
consequently, the decision about blood unit quota to be provided for each hospital based on current blood
bank storage is unclear and hard to predict. Thus, a fuzzy system to perform a clustering can help to
determine the demands based as a fuzzification of the numerical value inside the historical data demand for
each blood component and for each hospital. The data after fuzzification will be introduced to the machine
learning stage to perform a prediction based on historical data while respecting the priority of the newest data
by being aware of its past experiences as a human. A defuzzification process is needed to numerically predict
each hospital’s demand based on current blood bank stock to set a fair distribution. Finally, perform routing
and scheduling using GA to create the shortest path for blood unit’s delivery, Figure 1 details this process.
Figure 1. General schema of the proposition
3.1. Data fuzzification
Fuzzy logic is a generalization of standard logic, in which a concept can possess a degree of truth by
using many-valued logic rather than binary or numerical logic, fuzzy logic can provide human experience
and human decision-making behavior. In recent decades, fuzzy logic is interesting in industry and academic
fields. It has been applied to many research areas, such as artificial intelligence and machine learning. This
approach can deal with incomplete, imprecise, inconsistent, and uncertain data. It has been used to solve
several nonlinear controls, such as modeling the number of patients readmitted to care unit [3]. The author
proposes the use of demographic information, vital signs, and statistic from a laboratory, to accurately predict
the number of patients to be readmitted to the care unit.
Fuzzy logic consists of four-stage, fuzzifier, a defuzzifier, an inference engine, and a rule base
fuzzification is needed to convert the input data into an appropriate set of linguistic value which is required
for the inference engine. At the rule base stage, a set of fuzzy rules are defined, that characterize the behavior
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of the system. The inference engine stage is used to create inferences and provide conclusions based on the
previous stage. Defuzzification is the stage of transforming back the output (fuzzy action) into a set of
numerical or binary actions based on the output of the inference of the engine. Figure 2 presents the fuzzy
logic system and Figure 3 present the psedo code as implemented in our paper.
In our case, the blood bank data is a set of five values: The week (week date), hospital, the number
of ordered red cells bag units, platelets bag units, and plasma bag units. During the fuzzification stage,
numeric inputs are linked to linguistic membership Functions to get values that describe the respective input
as presented in Figure 4. With this approach, the output data will be a linguistic data (very high, high, normal,
low, very low) which describes the amount of blood unit order for each blood component (red cells, platelets,
plasma) by a hospital in a specific week.
Figure 2. Fuzzy logic system diagram
Figure 3. Fuzzy logic pseudo code
Figure 4. Membership functions for unit demand for each hospital (Very high, high, normal, low, very low).
3.2. Prediction and machine learning
Machine learning is a new field of computer science which is growing fast in the last few years, and
making a big difference in pattern recognition and learning in artificial intelligence (neural network).
Machine learning use algorithms that allow learning from data to make a prediction or decision in a future
event, by using statistics to solve many classifications and clustering problems. Machine learning techniques
can be applied to all research and industry fields. Usually, machine learning (ML), uses data to train the
system and make a prediction on unknown data by using one of three categories, unsupervised, supervised,
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and semi-supervised, however in reality and more specifically in our case (blood transportation), and due to
constraint of durability, quality, time conditions, specification can occur. Thus, the data need to be updated
for escaping the old data training problem which is not accurate. To resolve that, we can use a reinforcement
learning technique called transfer learning. This technique reduces the old data in case of new data inserted.
Transfer learning consists of reuse the model created for a specific task as a starting point for training the
second task. This method is a popular approach in deep learning when a model that has been trained before
being used as a starting point to avoid consuming huge amount of time and resources required to train a new
model and to use the old experience of the old model. As an example, the Yosinski et al. [16] present their
results on how the lower layers act as extractors of conventional computer vision, such as edge detection
feature, while the final layers work towards task-specific functionality. Kocçer and Arslan [17] developed a
method for routing traveling paths based on the virtue of traffic density by using transfer learning. And such
models can rapidly change the routing based on past experiences. Sharma et al. [18] use machine learning for
products price prediction.
To deal with future events, a prediction system is needed, in our case, the need is to predict future
hospital blood demand. Thus, machine learning is used to optimize performance using old or sample data.
After receiving data from the fuzzification stage, we need to predict the hospital demand, based on historical
data, and this data will be feeded as an input into a neural network, and start training the model. In this case,
we can predict a fuzzification of the amount of blood units needed for each hospital in every blood
component, however, we can also predict the demand based on a specific week-in case of epidemic disease
which spreads in a specific time and needs a blood supply. Input data is the fuzzified week, hospital, the
number of ordered red cells bag units, platelets bag units, and plasma bag units. Table 1 presents sample
input data: (NB: hospitals are presented as identifiers; those identifiers are linked geographical data.)
Table 1. Sample input data for training models to make predictions
Week(W) Hospital(H) Red Cell(RC) Platelets(PL) Plasma(P)
1 H1 LOW HIGH VERY_LOW
1 H2 HIGH HIGH NORMAL
2 H1 LOW VERY_HIGH NORMAL
In our example, we predict the number of units needed by a specific hospital in a specific week of
the year. The model can also predict the need based on geographical data or/and week. During this
prediction, the trained model predicts the output for a given input (hospital and week) based on its learning.
To evaluate the performance of the model, the test prediction concludes by predicting blood components for
a hospital in a pre-stored week and comparing the values. As a result, 81% of prediction was correct, 9% was
incorrect in one component, and 6% incorrect in two components and 4% was completely incorrect.
3.3. Evaluation metric
To gauge and evaluate the presented model among other models, a regression analyses using
evaluation metric is implemented to measure the quality of the fit of the model, where (Root mean squared
error) RMSE is widely used for this matter. It's the same metric used by [7] and [6], RMSE is a very common
evaluation metric, measuring the quadratic mean of the differences between predicted values and the real
ones, It can range between 0 and infinity, where it is based on penalizing large errors, which means values
closer to 0 are better than higher values. Thus, this is a sensitive metric to outliers. Besides RMSE, mean
absolute error (MAE) is also used for the same matter. MAE helps to measure error magnitude that consists
in the results of average of the difference between the predicted values and the actual ones.
𝑅𝑀𝑆𝐸 =
√∑ (𝑥𝑖 − 𝑥′𝑖)
𝑁
𝑖=1
𝑁
𝑀𝐴𝐸 =
∑ |𝑥𝑖 − 𝑥′𝑖|
𝑁
𝑖=1
𝑁
Where, N number of non-missing data points xi actual observations time series and x′i is the estimated series.
4. ROUTING AND SCHEDULING
Optimal distribution problem can be solved using the vehicle routing problem (VRP) model,
however in some cases, several blood banks can serve a group of hospitals, in this case, the multi depot
vehicle routing problem can be useful as a model. As we need, the main purpose of VRP is to find the
shortest routing and shortest time. In the classic VRP case, only one blood bank can serve, we consider the
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blood-bank as the depot, in this case, the depot will be the start and endpoint. The blood-bank has m vehicles
for n hospitals. In case all hospitals had been visited, or the capacity of vehicles met, the vehicles need to
return to the blood bank. Although, both vehicle routing problems are NP-hard.
4.1. VRP
The vehicle routing problem (VRP) is an extension of the traveling salesman problem, also known
as the traveling salesman problem (TSP). The objective is to determine the routes of a vehicles fleet to
customers or to perform tour of visits (medical, and commercial visits) or interventions (maintenance, repairs
and checks). We will represent clients as hospital or a healthcare facility, and the deposit as blood-bank.
VRP: as presented in Figure 5, a single depot (in our context a single blood bank) is serving several hospitals,
thus all hospitals are served from one blood bank.
Figure 5. Blood delivery routing illustration based on the VRP approach
Based on transportation network, the notations used for the formulation of the VRP are based on a simple
graph G = (V, E)with:
- V = {V0, V1, . . . . , Vn, Vn+1} a set of vertices with V0 = Vn+1 representing the deposit and V′ =
V/{V0, V1, . . . . , Vn, Vn+1} the set of clients.
- E = {(Vi, Vj)/ Vi, Vj ∈ V′
, i ≠ j} is the set of edges forming the routes. Each tour starts at v0 and ends at
vn+1.
- A matrix of costs or distances cij between customers Viand Vj , with (C0,n+1 = 0).
- drepresents a vector of customer requests.
- Riis the tour of vehicle i represented by a permutation of customers visited by the vehicle.
- The fleet of vehicles is made up of all identical vehicles with capacity C and fixed cost F. A vehicle is
assigned to each round.
This model contains noted decision variables 𝑥ij
ℓ
(defined 𝑖𝑗 V, ℓ ) and take the value 1 if
the vehicle ℓ goes from customer i to customer j, 0 otherwise. The VRP can therefore be formulated
as (1)-(7):
+
=
V
i V
j
ij
ij
'
V
j
j
0 x
c
x
F
Z
Min
(1)
1
x
V
i
ij =
j V’
(2)
1
x
V
j
ij =
i V’
(3)
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=
'
V
j
j
0 1
x
ℓ
(4)
0
x
x
V
j
kj
V
i
ik =
−
k V’, ℓ
(5)
1
x
'
V
i
1
n
,
i =
+
ℓ
(6)
C
x
d
V
j
ij
'
V
i
i
ℓ
(7)
The objective function (1) indicates the total cost to be minimized and which includes the cost of
vehicles and the cost of rounds. The constraints (2) and (3) indicate that each customer must be assigned to
exactly one vehicle. The constraints (4), (5) and (6) model the flow constraints which guarantee that each
vehicle leaves the depot, and then visits at least one customer to finally return to the depot. The constraint (7)
indicates that the capacity of the vehicles must not be exceeded.
4.2. MDVRP
The multi-depot vehicle routing problem (MDVRP) is a well-known class of problems in
distribution and logistics, it is a VRP with multiple depots from where vehicle with or without a fixed
capacity can make a travel to serve the client or the destination. In our context, the hospital presents a client.
If health-care or hospitals are placed near to blood-banks, then the distribution can be simplified as a normal
set of VRPs as explained before. But if healthcare facilities and blood banks are not organized due to
geographic shape or political requirements, or also urgent delivery, the issues will be a multi-depot vehicle
routing. The vehicles in MDVRP serve a hospital in a separated region or group, each vehicle or set of
vehicles is assigned to a single depot, which is usually both the origin and destination of the vehicle route.
The Figure 6 presents the multiple blood bank deliveries for a set of hospitals. It shows that hospitals can be
served from several blood banks and can alter the route length. The two blood banks in this figure is the
minimum, it can be more based on the needs and infrastructure.
Figure 6. Blood delivery routing illustration in case of multiple blood banks based on the MDVRP approach
We can present our MDVRP mathematically as follows: G = (V, E) is a graph where V is the set of
vertices partitioned into two collections. Vc = {V1, V2, . . . . , Vn} Represent the list of the hospitals. Vp =
{Vn+1, Vn+2, . . . . , vn+m} represent the collection of blood banks (BB), E set of edges connecting two points. A
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Cost matrix D = (Dij) is the length of arc (vi, vj) (corresponding to distance). Expecting D symmetry, and
the distance between sets of three points satisfies the triangle inequality. Each BB Vn+m ∈ Vd has the same
model. km(The number of vehicles at the BB) are identical in term of vehicle (model, capacity Q, shape).
Each vehicle starts from a blood bank (BB), serving a set of hospitals, at the end of the route or
when Q is not enough to serve the next Hospital, the vehicle must return to the starting BB to refill. Every
hospital is visited only once by one vehicle, we consider in this example that a route can be done only by one
vehicle. The total demand for each route does not exceed the vehicle capacity Q. The vehicle cannot exceed
the vehicle capacity Q, and the number provided by each BB is limited. Blood bank cannot serve each other’s
(BB cannot serve another BB). The main objective for MDVRP, in this case, is to link hospitals into the
proper BB with minimization of distance travelled by vehicle across the network. 𝑛 hospitals are grouped to
form m clusters. Clusters consists of n1, n2, … . , nm number of hospitals. The number of vehicles based at a
BB is km. kj is the group of hospital linked to a vehicle. MDVRP formulation for finding x which is the
minimizes can be described as following:
Decision variables X and Y:
xijkm = {hospital j else 0}
yikm = {BB m else 0}
MIN = ∑ ∑ ∑ ∑ dijxijqp
n
j=1
n
i=1
kp
q=1
m
p=1 (8)
∑ qiyiqp ≤ Q
n
i=1 (9)
0 ≤ njq ≤ nj (10)
∑ njq = nj∀j = 1 m
kj
q=1 (11)
∑ nj =
m
j=1 n (12)
∑ ∑ yiqp = 1
kp
q=1
m
p=1 (13)
xijqp = 1 ∨ 0 (14)
yiqp = 1 ∨ 0 (15)
The objective function according to (8) minimizes the total delivery distance and cost of each
vehicle within a blood bank. Equation (9) limits capacity Q of the vehicle, (10) indicates the hospitals served
by each vehicle must not overtake the number of the hospital a blood-bank can deliver to. The (11) shows the
sum of the hospitals served by the whole route should be the sum of the hospitals served by the blood bank.
The (12) shows every hospital served by a blood bank. The (13) Guarantee that every hospital must be visited
only once by a vehicle (14), (15) is the value bound of the decision variables.
4.3. Genetic algorithm
The genetic algorithm (GA) is a stochastic optimization technique based on a parallel search
mechanism which makes it more efficient than other classical optimization techniques such as branch and
bound, Tabu search method and simulated annealing. The GA implementation is used to avoid local optimum
trap using genetic operations like crossover and mutation. A population of possible randomly-generated
solutions represent as chromosomes that can evolve through iterations. The chromosome is ranked by fitness
in each generation. The score of the fitness of chromosome determine if it will be selected for the next
generation or not by using the genetic operations.
GA was used by many authors to simulate an evolutionary system based. It is a class of heuristics
methods used in several field including the VRP and MDVRP, Surekha and Sumathi [19] present a
comparative study of different genetic algorithm variant applied to VRP and MDVRP, Ho et al. [20] propose
two solutions for the MDVRP. The first one is a simple implementation of GA for solving MDVRP. The
second one is a with Clarke and Wright saving based method with nearest neighbour approach, and he
provide a comparative study between both solution and the author conclude that the second one is more
suitable.
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I initial population: the first chromosome is generated based on Euclidian distance. Blood bank and
hospitals will be grouped according to the nearest group with consideration of the grouping, routing, and
scheduling. For example, an MDVRP instance with 5 health care facilities and 0 is the blood-bank (BB). If
the path representation for this instance is (0 2 4 1 0 3 5 0), then two routes are required to serve all the
facilities. The first route depart from the BB at 0 and travels to facilities (2 4 1). Once the vehicle has finished
the first route, the BB receive the vehicle for next load to serve for second route (if there is any hospital left).
Second route start from the BB 0, serves hospitals and facilities 3, 5, and returns to the blood-bank.
Evaluation: chromosome can be evaluated by calculating the fit score or fitness value, the ideal
situation in MDVRP is to reduce the time spending on delivery and reduce cost in n blood bank and health-
care facilities. The process starts in each blood bank at the same time that explains why some vehicles are
able to the delivery simulation before other vehicles. In our context we consider fitness score calculated
based on a total of cost route CRmk of each vehicle (k) in every blood-bank (m). The cost formula is
presented as the following:
𝑐𝑜𝑠𝑡 = ∑ ∑ 𝐶𝑅𝑚𝑘
𝑘
𝑚
The cost for one vehicle of the i BB is calculated as the following:
𝐶𝑅𝑖1 = 𝐷(𝑑𝑖, 𝑐1) + ∑𝐷(𝑐𝑗, 𝑑𝑖) + 𝐷(𝑐𝑛, 𝑑𝑖)𝑓𝑜𝑟𝑎𝑙𝑙𝑗 ∈ 𝑛𝑗𝑞
Selection: the best chromosome (based on fitness score) is selected for next generation. Ho et al.
[20] uses a roulette-wheel based selection to generate the new chromosome for next generation, while others
use tournament selection [19]. The chromosome selection strategy is based in almost all situation on fitness
score evaluation, the fittest solution is to be selected for the next iteration. It can be also a selection for
several chromosomes to perform the genetic operation.
Genetic operation: both mutation and crossover affect the selected chromosomes with genetic
operations rate, several methods and approach can be implemented for picking the right case, but overall,
both operation impact the results in term of time and iteration. Crossover: The combination of informations
from two or several genomes to generate new generation, it can be done with picking the random (classical)
case or by implementing a more suitable solution to make the process faster or more efficient. Berman and
Hanshar [21] present an approach for crossover, the approach is based on best cost route crossover (BCRC)
projected to vehicle routing problem with time windows (VRPTW). The classical order crossover was
implemented by [20] for an MDVRP application. Mutation: exchanging or swapping two distinct customers
or depots randomly to generate more heterogenic population. The mutation operation assure the diversity in
the each generation to avoid being trapped in a local optimum. There are two types of mutation method,
heuristic mutation and inversion mutation [22]. Flipping a chromosome case to build a new offspring. The
creation of the population and more specifically the initial population will be presented as set of cases,
hospitals presented as numbers while 0a, 0bare BB. Figure 7 presents a chromosome as a set of healthcare
facility with number from 1 to 9 presents hospitals, and 0 presents blood banks.
Grouping: We implement weighted-k-means to be our clustering method for not only group by
distance, but also by hospital bed capacity (HBC), but the data in the real case was not available especially
HBC. So we used Euclidean distance instead [23]. He et al. [24] present a new approach using the Tabu
search algorithm. However, some geographical distribution need to use haversine [25] especially if the
country is large and the hospital along with blood bank are way to separate from each other. Figure 8 presents
grouping sample, 𝐵𝐵 presents blood banks and numbers presents hospitals.
1 2 3 4 5 6 7 8 9 10 0a 0b
Figure 7. Chromosome presentation of hospitals and blood banks
BBA1, 2, 3, 4, 5 BBB6, 7, 8, 9, 10.
Figure 8. Grouping samples between blood banks and hospitals
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Figure 9 present the whole process as a flowchart from the initial parameters to the routing and
scheduling implementation using genetic algorithm operation (Mutation, Crossover, Selection), and looping
after preserving the population that has a better fitness score.
Figure 9. Flowchart of GA implementation
5. RESULTS AND DISCUSSION
As we mentioned in previous chapters, the fuzzification of the data set was translated into 5 values
(Very high, high, normal, low, very low), those data and beside the hospital information (an identifier,
latitude-longitude) and week (is of date format), was used to train our machine learning model with up to
800.000 records, and the prediction was well acceptable with 81% of a correct prediction for all three
components (Red cells, plasma, platelets). Our model is more likely to be compared with both models
ARIMA [6] and ANN [7] as mentioned previously, the present approach is based on transfer learning (TL)
and fuzzy logic instead of ANN, to include sudden changes in blood demand. Also, the model is using fuzzy
logic to determine the amount of blood bag/unit the delivery in case of shortage. Additionally, we specified
in the previous chapter that the prediction is on a weekly basis due to the nature of some blood types which
can be usable only for less than 5 days, thus the prediction on a monthly basis will be not suitable for all
blood types. Using our generated data, the simulation of the three models in two different cases shows the
results presented in Table 2.
Table 2. MAE and RMSE records of ARMA, ANN and TL-FUZZY in shortage and sudden change cases
RMSE MAE
NORMAL SHORTAGE SUDDEN CHANGE NORMAL SHORTAGE SUDDEN CHANGE
ARIMA 103.32 204.56 280.02 134.22 234.32 310.08
ANN 87.11 102.45 192.56 55.32 144.23 207.53
TL-FUZZY 101.34 80.32 102.86 56.43 81.67 99.45
The Figure 10 is a graphical presentation (chart) of the Table 2 with the upper section using RMSE
and the bellow section using mean absolute error (MAE). Using MAE and RMSE metrics, Figure 11 shows
performance of the three models. This figure displays a confrontation between the models in usually normal
situations, under shortage of blood resources and when sudden changes occur. In fact, as detailed in Table 2,
Root mean squared error metric enlighten the right performance of the present TL-FUZZY model compared
with others, especially in shortage and sudden change situations (204.56 for ARIMA, 102.45 for ANN but
only 80.32 for TL-FUZZY in shortage cases). Also, MAE metric accentuate the performance of the present
model in both unusual cases (310.08 for ARIMA, 207.53 for ANN and 99.45For TL-FUZZY). Finally, in
usual situations, TL-FUZZY nearly rivals ARIMA model but still far from ANN feat. However under
shortage circumstances or when a sudden change happens, where TL-FUZZY performed better when
compared to both ANN and ARIMA models. For the routing and scheduling, our simulation shows a
regression in fitness score from generation to the next one from 7011 fitness score to 5254, and stabilized at
generation 75 and start to rise after, which means the generation 75 is more suitable. In terms of time as
presented in Figure 12, the total consumption time from generation to the next is considerably changing. The
first generation starts with 120 min to complete all visits, the 5th generation raised to 130 min, but just after
start decrease to 71 min at generation 45 and start raising again to 85 min in generation 65, at last generation
(70) the time was 70 min which is the “better result” for the simulation, which means an escape from the
optimal minimum.
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Figure 10. TL-FUZZY compared to ANN and ARIMA models with MAE and RMSE metrics
Figure 11. Fitness score (F) for each generation (G)
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Figure 12. Time-consuming in minutes from generation to the next
6. CONCLUSION
Health-care and especially hospitals suffer from blood delivery delay and distribution due to the lack
of infrastructure and vision of future demand. Our contribution consists of the adoption of fuzzification data
to get a clear idea about demand with linguistic values, train a model by using transfer learning to predict a
future need in blood components by using historical data. And using an algorithm based on genetic
algorithms to set a routine and schedule plan for blood unit bag distribution. The combination of fuzzy logic
and machine learning besides genetic algorithms is rarely used in the resolution of similar matters. Also, even
if this solution appears to be specific to the health-care and blood delivery sector, this work can concern
further fields like agricultural and food-processing. It should be noticed that the model can be improved by
considering applying parallelization for GA and taking into consideration reverse logistics to recover the
unused/expired blood.
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BIOGRAPHIES OF AUTHORS
Marouane El Midaoui is from Casablanca, Morocco, and he attended Hassan II
University of Casablanca where he graduated in 2017 with a master degree in distributed
information system at ENSET Mohammedia. He is also concerned about computer science,
IA, programming and software design. For his Ph.D thesis, he is working on Intelligent
Transport Systems and Logistics at SSDIA laboratory in the same university, His researches
are focused on artificial intelligence, logistics, IoT and blockchain. He can be contacted at
email: marouane.elmidaoui@gmail.com.
Mohamed Qbadou has born in 1970 at Kalaa Sraghna, Morocco. Since 1997,
he is a teacher of computer science and researcher at the University Hassan II Casablanca,
ENSET Institute. His research is focused on semantic Web, Distributed computing system,
Knowledge database system, educational information system and e-learning, Assistive
robotics, Natural Language processing. Diploma ENSET Mohammedia in 1992, CEA in
1993 and Ph.D. in 1998 at the Mohammed V University of Rabat, Morocco. He can be
contacted at email: qbmedn7@gmail.com.
Khalifa Mansouri has born in 1968 at AZILAL, Morocco. He is now a teacher
of computer science and researcher at the University Hassan II of Casablanca, ENSET
Institute. His research is focused on Real-time modeling systems, the governance of
information systems, e-Leraning systems and the calculation and optimization of structures.
Diploma ENSET Mohammedia in 1991, CEA in 1992 and first Ph.D. in 1994 to Mohammed
V University of Rabat, HDR in 2011 and second Ph.D to Hassan II University of
Casablanca, Morocco. He can be contacted at email: khmansouri@hotmail.com.