Formulating animal diet by accounting fluctuating cost, nutrient requirement, balanced amino acids, and maximum composition simultaneously is a difficult and complex task. Manual formulation and Linear Programming encounter difficulty to solve this problem. Furthermore, the complexity of laying hen diet problem is change through ingredient choices. Thus, an advanced technique to enhance formula quality is a vital necessity. This paper proposes the Multi-Swarm Particle Swarm Optimization (MSPSO) to enhance the diversity of particles and prevent premature convergence in PSO. MSPSO work cooperatively and competitively to optimize laying hen diet and produce improved and stable formula than Genetic Algorithm, Hybridization of Adaptive Genetic Algorithm and Simulated Annealing, and Standard Particle Swarm Optimization with less time complexity. In addition, swarm size, iteration, and inertia weight parameters are investigated and show that swarm size of 50 for each sub-swarm, total iteration of 16,000, and inertia weight of 6.0 should be used as a good parameter for MSPSO to optimize laying hen diet.
Good Parameters for PSO in Optimizing Laying Hen Diet IJECEIAES
Manual formulation of poultry diet by taking into account the fulfillment of all nutrients requirement with least cost is a difficult task. Particle Swarm Optimization (PSO) shows promising technique to solve this problem. However, there is a lack of studying a good parameter for PSO to solve feed formulation problem since PSO is sensitive to control parameter which depends on the problem. Therefore, this study investigates good swarm size, total iterations, acceleration coefficients, and inertia weight to produce a better formula. PSO with proposed good parameters is compared with other parameters. The obtained result shows that PSO with good parameters choice produces the highest fitness. Furthermore, good parameters of PSO can be used as a reference for a software developer and for further research to optimize poultry diet using PSO.
Mathematical modelling of Fish Resources Harvesting with Predator at Maximum Sustainable Yield
Kinfe Hailemariam Hntsaa, Zenebe Taka Mengesha (PhD)b*
aDepartment of Mathematics, Aksum University, Axum, Ethiopia, kinfhail@gmail.com
bDepartment of Biology, Aksum University, Axum, Ethiopia, zenebeteka2007@gmail.com
In this study, the population dynamic of fish is considered following Logistic model with the inclusion of harvesting. The prey-predator interaction is also considered with an assumption that the predator population which is completely theoretical and not physically defined has a little effect on the growth of prey population provided that there are no limiting factors other than the predators. This is to say that the prey-predator cycle remains stable as far as other factors are constant in the natural environment. The growth function of the predator population is constructed corresponding to the prey population, and its results showed that the predator population size is either convergent to a finite positive limit, zero or diverges to positive infinity; while the fish population size follows Logistic function and grows to an upper asymptote. Furthermore, the prey-predator interaction is considered with the assumption that the predator population has an effect on the growth of the prey population and the predator population has intra-specific competition for a limited environmental resource. Its result showed that the predator population size did not go to infinity without bound. In both cases the maximum sustainable yield is obtained, numerical simulation and stability analysis of the model are included.
Evaluation of the mass attenuation coefficient and Effective Atomic Number of...IOSRJAP
The potential of the Eremurus spp. root as a binder in Rhizophora-Eremurus spp. particleboard mammography phantom had been approved. In this study, the potential of Eremurus spp. as a phantom material has been investigated. The effective atomic number of the Eremurus spp. was calculated as an important parameter in the low energy range. Also, the mass attenuation coefficient of the Eremurus spp. root was measured in the 16.63 keV – 25.30 keV photon energy as a mammography range. Although, the effective atomic number of the Eremurus spp. was near to that of tissue, the mass attenuation of the Eremurus spp. root was not found close to those of breast tissue and water phantom. The results show that the Eremurus spp. root can be used just as a binder in phantom and it cannot be as a main phantom material.
A Model to Predict The Live Bodyweight of Livestock Using Back-propagation Al...TELKOMNIKA JOURNAL
Cattle is the most popular livestock in Indonesia. Assessments of the live bodyweight of cattle
can be conducted through weighing or predicting. Weighing is an accurate method, but it is not efficient
due to the prices of scales that most traditional farmers cannot afford. Prediction is a more affordable
technique however occurrences of error remains high. To deal with this issue this research has created a
model predicting the live bodyweight of cattle through Back-Propagation algorithm. There are four
morphometric variables examined in this study: (1) body length; (2) withers height; (3) chest girth; and (4)
hip width. Based on comparative results with conventional prediction methods, Schoorl Indonesia and
Schoorl Denmark, showed that the method offered has a lower error. Rate of error is 60.54% lower than
Schoorl Denmark and 53.95% lower than Schoorl Indonesia.
An Hybrid Learning Approach using Particle Intelligence Dynamics and Bacteri...IJMER
The foraging behavior of E. Coli is used for optimization problems. This paper is based on a
hybrid method that combines particle swarm optimization and bacterial foraging (BF) algorithm for
solution of optimization results. We applied this proposed algorithm on different closed loop transfer
functions and the performance of the system using time response for the optimum value of PID
parameters is studied with incorporating PSO method on mutation, crossover, step sizes, and chemotactic
of the bacteria during the foraging. The bacterial foraging particle swarm optimization (BFPSO)
algorithm is applied to tune the PID controller of type 2, 3 and 4 systems with consideration of minimum
peak overshoot and steady state error objective function. The performance of the time response is
evaluated for the designed PID controller as the integral of time weighted squared error. The results
illustrate that the proposed approach is more efficient and provides better results as compared to the
conventional PSO algorithm.
Good Parameters for PSO in Optimizing Laying Hen Diet IJECEIAES
Manual formulation of poultry diet by taking into account the fulfillment of all nutrients requirement with least cost is a difficult task. Particle Swarm Optimization (PSO) shows promising technique to solve this problem. However, there is a lack of studying a good parameter for PSO to solve feed formulation problem since PSO is sensitive to control parameter which depends on the problem. Therefore, this study investigates good swarm size, total iterations, acceleration coefficients, and inertia weight to produce a better formula. PSO with proposed good parameters is compared with other parameters. The obtained result shows that PSO with good parameters choice produces the highest fitness. Furthermore, good parameters of PSO can be used as a reference for a software developer and for further research to optimize poultry diet using PSO.
Mathematical modelling of Fish Resources Harvesting with Predator at Maximum Sustainable Yield
Kinfe Hailemariam Hntsaa, Zenebe Taka Mengesha (PhD)b*
aDepartment of Mathematics, Aksum University, Axum, Ethiopia, kinfhail@gmail.com
bDepartment of Biology, Aksum University, Axum, Ethiopia, zenebeteka2007@gmail.com
In this study, the population dynamic of fish is considered following Logistic model with the inclusion of harvesting. The prey-predator interaction is also considered with an assumption that the predator population which is completely theoretical and not physically defined has a little effect on the growth of prey population provided that there are no limiting factors other than the predators. This is to say that the prey-predator cycle remains stable as far as other factors are constant in the natural environment. The growth function of the predator population is constructed corresponding to the prey population, and its results showed that the predator population size is either convergent to a finite positive limit, zero or diverges to positive infinity; while the fish population size follows Logistic function and grows to an upper asymptote. Furthermore, the prey-predator interaction is considered with the assumption that the predator population has an effect on the growth of the prey population and the predator population has intra-specific competition for a limited environmental resource. Its result showed that the predator population size did not go to infinity without bound. In both cases the maximum sustainable yield is obtained, numerical simulation and stability analysis of the model are included.
Evaluation of the mass attenuation coefficient and Effective Atomic Number of...IOSRJAP
The potential of the Eremurus spp. root as a binder in Rhizophora-Eremurus spp. particleboard mammography phantom had been approved. In this study, the potential of Eremurus spp. as a phantom material has been investigated. The effective atomic number of the Eremurus spp. was calculated as an important parameter in the low energy range. Also, the mass attenuation coefficient of the Eremurus spp. root was measured in the 16.63 keV – 25.30 keV photon energy as a mammography range. Although, the effective atomic number of the Eremurus spp. was near to that of tissue, the mass attenuation of the Eremurus spp. root was not found close to those of breast tissue and water phantom. The results show that the Eremurus spp. root can be used just as a binder in phantom and it cannot be as a main phantom material.
A Model to Predict The Live Bodyweight of Livestock Using Back-propagation Al...TELKOMNIKA JOURNAL
Cattle is the most popular livestock in Indonesia. Assessments of the live bodyweight of cattle
can be conducted through weighing or predicting. Weighing is an accurate method, but it is not efficient
due to the prices of scales that most traditional farmers cannot afford. Prediction is a more affordable
technique however occurrences of error remains high. To deal with this issue this research has created a
model predicting the live bodyweight of cattle through Back-Propagation algorithm. There are four
morphometric variables examined in this study: (1) body length; (2) withers height; (3) chest girth; and (4)
hip width. Based on comparative results with conventional prediction methods, Schoorl Indonesia and
Schoorl Denmark, showed that the method offered has a lower error. Rate of error is 60.54% lower than
Schoorl Denmark and 53.95% lower than Schoorl Indonesia.
An Hybrid Learning Approach using Particle Intelligence Dynamics and Bacteri...IJMER
The foraging behavior of E. Coli is used for optimization problems. This paper is based on a
hybrid method that combines particle swarm optimization and bacterial foraging (BF) algorithm for
solution of optimization results. We applied this proposed algorithm on different closed loop transfer
functions and the performance of the system using time response for the optimum value of PID
parameters is studied with incorporating PSO method on mutation, crossover, step sizes, and chemotactic
of the bacteria during the foraging. The bacterial foraging particle swarm optimization (BFPSO)
algorithm is applied to tune the PID controller of type 2, 3 and 4 systems with consideration of minimum
peak overshoot and steady state error objective function. The performance of the time response is
evaluated for the designed PID controller as the integral of time weighted squared error. The results
illustrate that the proposed approach is more efficient and provides better results as compared to the
conventional PSO algorithm.
The Effect of Updating the Local Pheromone on ACS Performance using Fuzzy Log...IJECEIAES
Fuzzy Logic Controller (FLC) has become one of the most frequently utilised algorithms to adapt the metaheuristics parameters as an artificial intelligence technique. In this paper, the 휉 parameter of Ant Colony System (ACS) algorithm is adapted by the use of FLC, and its behaviour is studied during this adaptation. The proposed approach is compared with the standard ACS algorithm. Computational results are done based on a library of sample instances for the Traveling Salesman Problem (TSPLIB).
EFFECTS OF THE DIFFERENT MIGRATION PERIODS ON PARALLEL MULTI-SWARM PSOcscpconf
In recent years, there has been an increasing interest in parallel computing. In parallel computing, multiple computing resources are used simultaneously in solving a problem. There are multiple processors that will work concurrently and the program is divided into different tasks to be simultaneously solved. Recently, a considerable literature has grown up around the theme of metaheuristic algorithms. Particle swarm optimization (PSO) algorithm is a popular metaheuristic algorithm. The parallel comprehensive learning particle swarm optimization (PCLPSO) algorithm based on PSO has multiple swarms based on the master-slave paradigm and works cooperatively and concurrently. The migration period is an important parameter in PCLPSO and affects the efficiency of the algorithm. We used the well-known benchmark functions in the experiments and analysed the performance of PCLPSO using different migration periods.
Effects of The Different Migration Periods on Parallel Multi-Swarm PSO csandit
In recent years, there has been an increasing inter
est in parallel computing. In parallel
computing, multiple computing resources are used si
multaneously in solving a problem. There
are multiple processors that will work concurrently
and the program is divided into different
tasks to be simultaneously solved. Recently, a cons
iderable literature has grown up around the
theme of metaheuristic algorithms. Particle swarm o
ptimization (PSO) algorithm is a popular
metaheuristic algorithm. The parallel comprehensive
learning particle swarm optimization
(PCLPSO) algorithm based on PSO has multiple swarms
based on the master-slave paradigm
and works cooperatively and concurrently. The migra
tion period is an important parameter in
PCLPSO and affects the efficiency of the algorithm.
We used the well-known benchmark
functions in the experiments and analysed the perfo
rmance of PCLPSO using different
migration periods.
Chicken feed optimization using evolution strategies and firefly algorithmIJECEIAES
Mixing broiler chicken and layer hens feed using various feed ingredients is a difficult task. The feed must fulfill the minimum nutrient requirement and must break the constraint. Some classic approach like Pearson’s Square has been already introduced to solve this problem. However, the approaches cannot guarantee to fulfill nutrient requirements and desirable price. The two metaheuristic algorithms Evolution Strategies (ES) and Firefly Algorithms (FA) are being proposed in this paper to know how well they performed this problems. Result show that ES is perform much better compared to classic Pearson’s Square, but ES itself is outperform by FA on both cases.
ANALYSINBG THE MIGRATION PERIOD PARAMETER IN PARALLEL MULTI-SWARM PARTICLE SW...ijcsit
In recent years, there has been an increasing interest in parallel computing. In parallel computing, multiple
computing resources are used simultaneously in solving a problem. There are multiple processors that will
work concurrently and the program is divided into different tasks to be simultaneously solved. Recently, a
considerable literature has grown up around the theme of metaheuristic algorithms. Particle swarm
optimization (PSO) algorithm is a popular metaheuristic algorithm. The parallel comprehensive learning
particle swarm optimization (PCLPSO) algorithm based on PSO has multiple swarms based on the masterslave
paradigm and works cooperatively and concurrently. The migration period is an important parameter
in PCLPSO and affects the efficiency of the algorithm. We used the well-known benchmark functions in the
experiments and analysed the performance of PCLPSO using different migration periods.
Hybrid Genetic Algorithm for Optimization of Food Composition on Hypertensive...IJECEIAES
The healthy food with attention of salt degree is one of the efforts for healthy living of hypertensive patient. The effort is important for reducing the probability of hypertension change to be dangerous disease. In this study, the food composition is build with attention nutrition amount, salt degree, and minimum cost. The proposed method is hybrid method of Genetic Algorithm (GA) and Variable Neighborhood Search (VNS). The three scenarios of hybrid GA-VNS types had been developed in this study. Although hybrid GA and VNS take more time than pure GA or pure VNS but the proposed method give better quality of solution. VNS successfully help GA avoids premature convergence and improves better solution. The shortcomings on GA in local exploitation and premature convergence is solved by VNS, whereas the shortcoming on VNS that less capability in global exploration can be solved by use GA that has advantage in global exploration.
An energy-efficient flow shop scheduling using hybrid Harris hawks optimizationjournalBEEI
The energy crisis has become an environmental problem, and this has received much attention from researchers. The manufacturing sector is the most significant contributor to energy consumption in the world. One of the significant efforts made in the manufacturing industry to reduce energy consumption is through proper scheduling. Energy-efficient scheduling (EES) is a problem in scheduling to reduce energy consumption. One of the EES problems is in a flow shop scheduling problem (FSSP). This article intends to develop a new approach to solving an EES in the FSSP problem. Hybrid Harris hawks optimization (hybrid HHO) algorithm is offered to resolve the EES issue on FSSP by considering the sequence-dependent setup. Swap and flip procedures are suggested to improve HHO performance. Furthermore, several procedures were used as a comparison to assess hybrid HHO performance. Ten tests were exercised to exhibit the hybrid HHO accomplishment. Based on numerical experimental results, hybrid HHO can solve EES problems. Furthermore, HHO was proven more competitive than other algorithms.
Reliable and accurate estimation of software has always been a matter of concern for industry and
academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all
types of datasets and environments. Since the motive of estimation model is to minimize the gap between
actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune
the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization,
Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of
COCOMO Model. The performance of these techniques has been analysed by established performance
measure. The results obtained have been validated by using data of Interactive voice response (IVR)
projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
EVOLUTIONARY COMPUTING TECHNIQUES FOR SOFTWARE EFFORT ESTIMATIONijcsit
Reliable and accurate estimation of software has always been a matter of concern for industry and academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all types of datasets and environments. Since the motive of estimation model is to minimize the gap between actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune
the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization, Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of COCOMO Model. The performance of these techniques has been analysed by established performance measure. The results obtained have been validated by using data of Interactive voice response (IVR)
projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
Reliable and accurate estimation of software has always been a matter of concern for industry and academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all types of datasets and environments. Since the motive of estimation model is to minimize the gap between actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization, Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of COCOMO Model. The performance of these techniques has been analysed by established performance measure. The results obtained have been validated by using data of Interactive voice response (IVR) projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
A REVIEW OF PARTICLE SWARM OPTIMIZATION (PSO) ALGORITHMIAEME Publication
Particle swarm optimization (PSO) is a population-based stochastic optimization technique that is inspired by the intelligent collective behaviour of certain animals, such as flocks of birds or schools of fish. It has undergone numerous improvements since its debut in 1995. As academics became more familiar with the technique, they produced additional versions aimed at different demands, created new applications in a variety of fields, published theoretical analyses of the impacts of various factors, and offered other variants of the algorithm. This paper discusses the PSO's origins and background, as well as its theory analysis. Then, we examine the current state of research and application in algorithm structure, parameter selection, topological structure, discrete and parallel PSO algorithms, multi-objective optimization PSO, and engineering applications. Finally, existing difficulties are discussed, and new study directions are proposed.
Integration Method of Local-global SVR and Parallel Time Variant PSO in Water...TELKOMNIKA JOURNAL
Flood is one type of natural disaster that can’t be predicted, one of the main causes of flooding is the continuous rain (natural events). In terms of meteorology, the cause of flood is come from high rainfall and the high tide of the sea, resulting in increased the water level. Rainfall and water level analysis in each period, still not able to solve the existing problems. Therefore in this study, the proposed integration method of Parallel Time Variant PSO (PTVPSO) and Local-Global Support Vector Regression (SVR) is used to forecast water level. Implementation in this study combine SVR as regression method for forecast the water level, Local-Global concept take the role for the minimization for the computing time, while PTVPSO used in the SVR to obtain maximum performance and higher accurate result by optimize the parameters of SVR. Hopefully this system will be able to solve the existing problems for flood early warning system due to erratic weather.
This paper present a hybrid method of Newton method, Differential Evolution Algorithm (DE) and
Cooperative Coevolution Algorithm (CCA). The proposed method is used to solve the optimisation problem in
optimise the production of biochemical systems. The problems are maximising the biochemical systems production
and simultaneously minimising the total amount of chemical reaction concentration involves. Besides
that, the size of biochemical systems also contributed to the problem in optimising the biochemical systems
production. In the proposed method, the Newton method is used in dealing biochemical system, DE for optimisation
process while CCA is used to increase the performance of DE. In order to evaluate the performance
of the proposed method, the proposed method is tested on two benchmark biochemical systems. Then, the
result that obtained by the proposed method is compare with other works and the finding shows that the
proposed method performs well compare to the other works.
International Journal of Engineering and Science Invention (IJESI)inventionjournals
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
Amazon products reviews classification based on machine learning, deep learni...TELKOMNIKA JOURNAL
In recent times, the trend of online shopping through e-commerce stores and websites has grown to a huge extent. Whenever a product is purchased on an e-commerce platform, people leave their reviews about the product. These reviews are very helpful for the store owners and the product’s manufacturers for the betterment of their work process as well as product quality. An automated system is proposed in this work that operates on two datasets D1 and D2 obtained from Amazon. After certain preprocessing steps, N-gram and word embedding-based features are extracted using term frequency-inverse document frequency (TF-IDF), bag of words (BoW) and global vectors (GloVe), and Word2vec, respectively. Four machine learning (ML) models support vector machines (SVM), logistic regression (RF), logistic regression (LR), multinomial Naïve Bayes (MNB), two deep learning (DL) models convolutional neural network (CNN), long-short term memory (LSTM), and standalone bidirectional encoder representations (BERT) are used to classify reviews as either positive or negative. The results obtained by the standard ML, DL models and BERT are evaluated using certain performance evaluation measures. BERT turns out to be the best-performing model in the case of D1 with an accuracy of 90% on features derived by word embedding models while the CNN provides the best accuracy of 97% upon word embedding features in the case of D2. The proposed model shows better overall performance on D2 as compared to D1.
Design, simulation, and analysis of microstrip patch antenna for wireless app...TELKOMNIKA JOURNAL
In this study, a microstrip patch antenna that works at 3.6 GHz was built and tested to see how well it works. In this work, Rogers RT/Duroid 5880 has been used as the substrate material, with a dielectric permittivity of 2.2 and a thickness of 0.3451 mm; it serves as the base for the examined antenna. The computer simulation technology (CST) studio suite is utilized to show the recommended antenna design. The goal of this study was to get a more extensive transmission capacity, a lower voltage standing wave ratio (VSWR), and a lower return loss, but the main goal was to get a higher gain, directivity, and efficiency. After simulation, the return loss, gain, directivity, bandwidth, and efficiency of the supplied antenna are found to be -17.626 dB, 9.671 dBi, 9.924 dBi, 0.2 GHz, and 97.45%, respectively. Besides, the recreation uncovered that the transfer speed side-lobe level at phi was much better than those of the earlier works, at -28.8 dB, respectively. Thus, it makes a solid contender for remote innovation and more robust communication.
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Fuzzy Logic Controller (FLC) has become one of the most frequently utilised algorithms to adapt the metaheuristics parameters as an artificial intelligence technique. In this paper, the 휉 parameter of Ant Colony System (ACS) algorithm is adapted by the use of FLC, and its behaviour is studied during this adaptation. The proposed approach is compared with the standard ACS algorithm. Computational results are done based on a library of sample instances for the Traveling Salesman Problem (TSPLIB).
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In recent years, there has been an increasing interest in parallel computing. In parallel computing, multiple computing resources are used simultaneously in solving a problem. There are multiple processors that will work concurrently and the program is divided into different tasks to be simultaneously solved. Recently, a considerable literature has grown up around the theme of metaheuristic algorithms. Particle swarm optimization (PSO) algorithm is a popular metaheuristic algorithm. The parallel comprehensive learning particle swarm optimization (PCLPSO) algorithm based on PSO has multiple swarms based on the master-slave paradigm and works cooperatively and concurrently. The migration period is an important parameter in PCLPSO and affects the efficiency of the algorithm. We used the well-known benchmark functions in the experiments and analysed the performance of PCLPSO using different migration periods.
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In recent years, there has been an increasing inter
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computing, multiple computing resources are used si
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and the program is divided into different
tasks to be simultaneously solved. Recently, a cons
iderable literature has grown up around the
theme of metaheuristic algorithms. Particle swarm o
ptimization (PSO) algorithm is a popular
metaheuristic algorithm. The parallel comprehensive
learning particle swarm optimization
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based on the master-slave paradigm
and works cooperatively and concurrently. The migra
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We used the well-known benchmark
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Chicken feed optimization using evolution strategies and firefly algorithmIJECEIAES
Mixing broiler chicken and layer hens feed using various feed ingredients is a difficult task. The feed must fulfill the minimum nutrient requirement and must break the constraint. Some classic approach like Pearson’s Square has been already introduced to solve this problem. However, the approaches cannot guarantee to fulfill nutrient requirements and desirable price. The two metaheuristic algorithms Evolution Strategies (ES) and Firefly Algorithms (FA) are being proposed in this paper to know how well they performed this problems. Result show that ES is perform much better compared to classic Pearson’s Square, but ES itself is outperform by FA on both cases.
ANALYSINBG THE MIGRATION PERIOD PARAMETER IN PARALLEL MULTI-SWARM PARTICLE SW...ijcsit
In recent years, there has been an increasing interest in parallel computing. In parallel computing, multiple
computing resources are used simultaneously in solving a problem. There are multiple processors that will
work concurrently and the program is divided into different tasks to be simultaneously solved. Recently, a
considerable literature has grown up around the theme of metaheuristic algorithms. Particle swarm
optimization (PSO) algorithm is a popular metaheuristic algorithm. The parallel comprehensive learning
particle swarm optimization (PCLPSO) algorithm based on PSO has multiple swarms based on the masterslave
paradigm and works cooperatively and concurrently. The migration period is an important parameter
in PCLPSO and affects the efficiency of the algorithm. We used the well-known benchmark functions in the
experiments and analysed the performance of PCLPSO using different migration periods.
Hybrid Genetic Algorithm for Optimization of Food Composition on Hypertensive...IJECEIAES
The healthy food with attention of salt degree is one of the efforts for healthy living of hypertensive patient. The effort is important for reducing the probability of hypertension change to be dangerous disease. In this study, the food composition is build with attention nutrition amount, salt degree, and minimum cost. The proposed method is hybrid method of Genetic Algorithm (GA) and Variable Neighborhood Search (VNS). The three scenarios of hybrid GA-VNS types had been developed in this study. Although hybrid GA and VNS take more time than pure GA or pure VNS but the proposed method give better quality of solution. VNS successfully help GA avoids premature convergence and improves better solution. The shortcomings on GA in local exploitation and premature convergence is solved by VNS, whereas the shortcoming on VNS that less capability in global exploration can be solved by use GA that has advantage in global exploration.
An energy-efficient flow shop scheduling using hybrid Harris hawks optimizationjournalBEEI
The energy crisis has become an environmental problem, and this has received much attention from researchers. The manufacturing sector is the most significant contributor to energy consumption in the world. One of the significant efforts made in the manufacturing industry to reduce energy consumption is through proper scheduling. Energy-efficient scheduling (EES) is a problem in scheduling to reduce energy consumption. One of the EES problems is in a flow shop scheduling problem (FSSP). This article intends to develop a new approach to solving an EES in the FSSP problem. Hybrid Harris hawks optimization (hybrid HHO) algorithm is offered to resolve the EES issue on FSSP by considering the sequence-dependent setup. Swap and flip procedures are suggested to improve HHO performance. Furthermore, several procedures were used as a comparison to assess hybrid HHO performance. Ten tests were exercised to exhibit the hybrid HHO accomplishment. Based on numerical experimental results, hybrid HHO can solve EES problems. Furthermore, HHO was proven more competitive than other algorithms.
Reliable and accurate estimation of software has always been a matter of concern for industry and
academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all
types of datasets and environments. Since the motive of estimation model is to minimize the gap between
actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune
the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization,
Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of
COCOMO Model. The performance of these techniques has been analysed by established performance
measure. The results obtained have been validated by using data of Interactive voice response (IVR)
projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
EVOLUTIONARY COMPUTING TECHNIQUES FOR SOFTWARE EFFORT ESTIMATIONijcsit
Reliable and accurate estimation of software has always been a matter of concern for industry and academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all types of datasets and environments. Since the motive of estimation model is to minimize the gap between actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune
the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization, Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of COCOMO Model. The performance of these techniques has been analysed by established performance measure. The results obtained have been validated by using data of Interactive voice response (IVR)
projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
Reliable and accurate estimation of software has always been a matter of concern for industry and academia. Numerous estimation models have been proposed by researchers, but no model is suitable for all types of datasets and environments. Since the motive of estimation model is to minimize the gap between actual and estimated effort, the effort estimation process can be viewed as an optimization problem to tune the parameters. In this paper, evolutionary computing techniques, including, Bee colony optimization, Particle swarm optimization and Ant colony optimization have been employed to tune the parameters of COCOMO Model. The performance of these techniques has been analysed by established performance measure. The results obtained have been validated by using data of Interactive voice response (IVR) projects. Evolutionary techniques have been found to be more accurate than existing estimation models.
A REVIEW OF PARTICLE SWARM OPTIMIZATION (PSO) ALGORITHMIAEME Publication
Particle swarm optimization (PSO) is a population-based stochastic optimization technique that is inspired by the intelligent collective behaviour of certain animals, such as flocks of birds or schools of fish. It has undergone numerous improvements since its debut in 1995. As academics became more familiar with the technique, they produced additional versions aimed at different demands, created new applications in a variety of fields, published theoretical analyses of the impacts of various factors, and offered other variants of the algorithm. This paper discusses the PSO's origins and background, as well as its theory analysis. Then, we examine the current state of research and application in algorithm structure, parameter selection, topological structure, discrete and parallel PSO algorithms, multi-objective optimization PSO, and engineering applications. Finally, existing difficulties are discussed, and new study directions are proposed.
Integration Method of Local-global SVR and Parallel Time Variant PSO in Water...TELKOMNIKA JOURNAL
Flood is one type of natural disaster that can’t be predicted, one of the main causes of flooding is the continuous rain (natural events). In terms of meteorology, the cause of flood is come from high rainfall and the high tide of the sea, resulting in increased the water level. Rainfall and water level analysis in each period, still not able to solve the existing problems. Therefore in this study, the proposed integration method of Parallel Time Variant PSO (PTVPSO) and Local-Global Support Vector Regression (SVR) is used to forecast water level. Implementation in this study combine SVR as regression method for forecast the water level, Local-Global concept take the role for the minimization for the computing time, while PTVPSO used in the SVR to obtain maximum performance and higher accurate result by optimize the parameters of SVR. Hopefully this system will be able to solve the existing problems for flood early warning system due to erratic weather.
This paper present a hybrid method of Newton method, Differential Evolution Algorithm (DE) and
Cooperative Coevolution Algorithm (CCA). The proposed method is used to solve the optimisation problem in
optimise the production of biochemical systems. The problems are maximising the biochemical systems production
and simultaneously minimising the total amount of chemical reaction concentration involves. Besides
that, the size of biochemical systems also contributed to the problem in optimising the biochemical systems
production. In the proposed method, the Newton method is used in dealing biochemical system, DE for optimisation
process while CCA is used to increase the performance of DE. In order to evaluate the performance
of the proposed method, the proposed method is tested on two benchmark biochemical systems. Then, the
result that obtained by the proposed method is compare with other works and the finding shows that the
proposed method performs well compare to the other works.
International Journal of Engineering and Science Invention (IJESI)inventionjournals
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
Amazon products reviews classification based on machine learning, deep learni...TELKOMNIKA JOURNAL
In recent times, the trend of online shopping through e-commerce stores and websites has grown to a huge extent. Whenever a product is purchased on an e-commerce platform, people leave their reviews about the product. These reviews are very helpful for the store owners and the product’s manufacturers for the betterment of their work process as well as product quality. An automated system is proposed in this work that operates on two datasets D1 and D2 obtained from Amazon. After certain preprocessing steps, N-gram and word embedding-based features are extracted using term frequency-inverse document frequency (TF-IDF), bag of words (BoW) and global vectors (GloVe), and Word2vec, respectively. Four machine learning (ML) models support vector machines (SVM), logistic regression (RF), logistic regression (LR), multinomial Naïve Bayes (MNB), two deep learning (DL) models convolutional neural network (CNN), long-short term memory (LSTM), and standalone bidirectional encoder representations (BERT) are used to classify reviews as either positive or negative. The results obtained by the standard ML, DL models and BERT are evaluated using certain performance evaluation measures. BERT turns out to be the best-performing model in the case of D1 with an accuracy of 90% on features derived by word embedding models while the CNN provides the best accuracy of 97% upon word embedding features in the case of D2. The proposed model shows better overall performance on D2 as compared to D1.
Design, simulation, and analysis of microstrip patch antenna for wireless app...TELKOMNIKA JOURNAL
In this study, a microstrip patch antenna that works at 3.6 GHz was built and tested to see how well it works. In this work, Rogers RT/Duroid 5880 has been used as the substrate material, with a dielectric permittivity of 2.2 and a thickness of 0.3451 mm; it serves as the base for the examined antenna. The computer simulation technology (CST) studio suite is utilized to show the recommended antenna design. The goal of this study was to get a more extensive transmission capacity, a lower voltage standing wave ratio (VSWR), and a lower return loss, but the main goal was to get a higher gain, directivity, and efficiency. After simulation, the return loss, gain, directivity, bandwidth, and efficiency of the supplied antenna are found to be -17.626 dB, 9.671 dBi, 9.924 dBi, 0.2 GHz, and 97.45%, respectively. Besides, the recreation uncovered that the transfer speed side-lobe level at phi was much better than those of the earlier works, at -28.8 dB, respectively. Thus, it makes a solid contender for remote innovation and more robust communication.
Design and simulation an optimal enhanced PI controller for congestion avoida...TELKOMNIKA JOURNAL
In this paper, snake optimization algorithm (SOA) is used to find the optimal gains of an enhanced controller for controlling congestion problem in computer networks. M-file and Simulink platform is adopted to evaluate the response of the active queue management (AQM) system, a comparison with two classical controllers is done, all tuned gains of controllers are obtained using SOA method and the fitness function chose to monitor the system performance is the integral time absolute error (ITAE). Transient analysis and robust analysis is used to show the proposed controller performance, two robustness tests are applied to the AQM system, one is done by varying the size of queue value in different period and the other test is done by changing the number of transmission control protocol (TCP) sessions with a value of ± 20% from its original value. The simulation results reflect a stable and robust behavior and best performance is appeared clearly to achieve the desired queue size without any noise or any transmission problems.
Improving the detection of intrusion in vehicular ad-hoc networks with modifi...TELKOMNIKA JOURNAL
Vehicular ad-hoc networks (VANETs) are wireless-equipped vehicles that form networks along the road. The security of this network has been a major challenge. The identity-based cryptosystem (IBC) previously used to secure the networks suffers from membership authentication security features. This paper focuses on improving the detection of intruders in VANETs with a modified identity-based cryptosystem (MIBC). The MIBC is developed using a non-singular elliptic curve with Lagrange interpolation. The public key of vehicles and roadside units on the network are derived from number plates and location identification numbers, respectively. Pseudo-identities are used to mask the real identity of users to preserve their privacy. The membership authentication mechanism ensures that only valid and authenticated members of the network are allowed to join the network. The performance of the MIBC is evaluated using intrusion detection ratio (IDR) and computation time (CT) and then validated with the existing IBC. The result obtained shows that the MIBC recorded an IDR of 99.3% against 94.3% obtained for the existing identity-based cryptosystem (EIBC) for 140 unregistered vehicles attempting to intrude on the network. The MIBC shows lower CT values of 1.17 ms against 1.70 ms for EIBC. The MIBC can be used to improve the security of VANETs.
Conceptual model of internet banking adoption with perceived risk and trust f...TELKOMNIKA JOURNAL
Understanding the primary factors of internet banking (IB) acceptance is critical for both banks and users; nevertheless, our knowledge of the role of users’ perceived risk and trust in IB adoption is limited. As a result, we develop a conceptual model by incorporating perceived risk and trust into the technology acceptance model (TAM) theory toward the IB. The proper research emphasized that the most essential component in explaining IB adoption behavior is behavioral intention to use IB adoption. TAM is helpful for figuring out how elements that affect IB adoption are connected to one another. According to previous literature on IB and the use of such technology in Iraq, one has to choose a theoretical foundation that may justify the acceptance of IB from the customer’s perspective. The conceptual model was therefore constructed using the TAM as a foundation. Furthermore, perceived risk and trust were added to the TAM dimensions as external factors. The key objective of this work was to extend the TAM to construct a conceptual model for IB adoption and to get sufficient theoretical support from the existing literature for the essential elements and their relationships in order to unearth new insights about factors responsible for IB adoption.
Efficient combined fuzzy logic and LMS algorithm for smart antennaTELKOMNIKA JOURNAL
The smart antennas are broadly used in wireless communication. The least mean square (LMS) algorithm is a procedure that is concerned in controlling the smart antenna pattern to accommodate specified requirements such as steering the beam toward the desired signal, in addition to placing the deep nulls in the direction of unwanted signals. The conventional LMS (C-LMS) has some drawbacks like slow convergence speed besides high steady state fluctuation error. To overcome these shortcomings, the present paper adopts an adaptive fuzzy control step size least mean square (FC-LMS) algorithm to adjust its step size. Computer simulation outcomes illustrate that the given model has fast convergence rate as well as low mean square error steady state.
Design and implementation of a LoRa-based system for warning of forest fireTELKOMNIKA JOURNAL
This paper presents the design and implementation of a forest fire monitoring and warning system based on long range (LoRa) technology, a novel ultra-low power consumption and long-range wireless communication technology for remote sensing applications. The proposed system includes a wireless sensor network that records environmental parameters such as temperature, humidity, wind speed, and carbon dioxide (CO2) concentration in the air, as well as taking infrared photos.The data collected at each sensor node will be transmitted to the gateway via LoRa wireless transmission. Data will be collected, processed, and uploaded to a cloud database at the gateway. An Android smartphone application that allows anyone to easily view the recorded data has been developed. When a fire is detected, the system will sound a siren and send a warning message to the responsible personnel, instructing them to take appropriate action. Experiments in Tram Chim Park, Vietnam, have been conducted to verify and evaluate the operation of the system.
Wavelet-based sensing technique in cognitive radio networkTELKOMNIKA JOURNAL
Cognitive radio is a smart radio that can change its transmitter parameter based on interaction with the environment in which it operates. The demand for frequency spectrum is growing due to a big data issue as many Internet of Things (IoT) devices are in the network. Based on previous research, most frequency spectrum was used, but some spectrums were not used, called spectrum hole. Energy detection is one of the spectrum sensing methods that has been frequently used since it is easy to use and does not require license users to have any prior signal understanding. But this technique is incapable of detecting at low signal-to-noise ratio (SNR) levels. Therefore, the wavelet-based sensing is proposed to overcome this issue and detect spectrum holes. The main objective of this work is to evaluate the performance of wavelet-based sensing and compare it with the energy detection technique. The findings show that the percentage of detection in wavelet-based sensing is 83% higher than energy detection performance. This result indicates that the wavelet-based sensing has higher precision in detection and the interference towards primary user can be decreased.
A novel compact dual-band bandstop filter with enhanced rejection bandsTELKOMNIKA JOURNAL
In this paper, we present the design of a new wide dual-band bandstop filter (DBBSF) using nonuniform transmission lines. The method used to design this filter is to replace conventional uniform transmission lines with nonuniform lines governed by a truncated Fourier series. Based on how impedances are profiled in the proposed DBBSF structure, the fractional bandwidths of the two 10 dB-down rejection bands are widened to 39.72% and 52.63%, respectively, and the physical size has been reduced compared to that of the filter with the uniform transmission lines. The results of the electromagnetic (EM) simulation support the obtained analytical response and show an improved frequency behavior.
Deep learning approach to DDoS attack with imbalanced data at the application...TELKOMNIKA JOURNAL
A distributed denial of service (DDoS) attack is where one or more computers attack or target a server computer, by flooding internet traffic to the server. As a result, the server cannot be accessed by legitimate users. A result of this attack causes enormous losses for a company because it can reduce the level of user trust, and reduce the company’s reputation to lose customers due to downtime. One of the services at the application layer that can be accessed by users is a web-based lightweight directory access protocol (LDAP) service that can provide safe and easy services to access directory applications. We used a deep learning approach to detect DDoS attacks on the CICDDoS 2019 dataset on a complex computer network at the application layer to get fast and accurate results for dealing with unbalanced data. Based on the results obtained, it is observed that DDoS attack detection using a deep learning approach on imbalanced data performs better when implemented using synthetic minority oversampling technique (SMOTE) method for binary classes. On the other hand, the proposed deep learning approach performs better for detecting DDoS attacks in multiclass when implemented using the adaptive synthetic (ADASYN) method.
The appearance of uncertainties and disturbances often effects the characteristics of either linear or nonlinear systems. Plus, the stabilization process may be deteriorated thus incurring a catastrophic effect to the system performance. As such, this manuscript addresses the concept of matching condition for the systems that are suffering from miss-match uncertainties and exogeneous disturbances. The perturbation towards the system at hand is assumed to be known and unbounded. To reach this outcome, uncertainties and their classifications are reviewed thoroughly. The structural matching condition is proposed and tabulated in the proposition 1. Two types of mathematical expressions are presented to distinguish the system with matched uncertainty and the system with miss-matched uncertainty. Lastly, two-dimensional numerical expressions are provided to practice the proposed proposition. The outcome shows that matching condition has the ability to change the system to a design-friendly model for asymptotic stabilization.
Implementation of FinFET technology based low power 4×4 Wallace tree multipli...TELKOMNIKA JOURNAL
Many systems, including digital signal processors, finite impulse response (FIR) filters, application-specific integrated circuits, and microprocessors, use multipliers. The demand for low power multipliers is gradually rising day by day in the current technological trend. In this study, we describe a 4×4 Wallace multiplier based on a carry select adder (CSA) that uses less power and has a better power delay product than existing multipliers. HSPICE tool at 16 nm technology is used to simulate the results. In comparison to the traditional CSA-based multiplier, which has a power consumption of 1.7 µW and power delay product (PDP) of 57.3 fJ, the results demonstrate that the Wallace multiplier design employing CSA with first zero finding logic (FZF) logic has the lowest power consumption of 1.4 µW and PDP of 27.5 fJ.
Evaluation of the weighted-overlap add model with massive MIMO in a 5G systemTELKOMNIKA JOURNAL
The flaw in 5G orthogonal frequency division multiplexing (OFDM) becomes apparent in high-speed situations. Because the doppler effect causes frequency shifts, the orthogonality of OFDM subcarriers is broken, lowering both their bit error rate (BER) and throughput output. As part of this research, we use a novel design that combines massive multiple input multiple output (MIMO) and weighted overlap and add (WOLA) to improve the performance of 5G systems. To determine which design is superior, throughput and BER are calculated for both the proposed design and OFDM. The results of the improved system show a massive improvement in performance ver the conventional system and significant improvements with massive MIMO, including the best throughput and BER. When compared to conventional systems, the improved system has a throughput that is around 22% higher and the best performance in terms of BER, but it still has around 25% less error than OFDM.
Reflector antenna design in different frequencies using frequency selective s...TELKOMNIKA JOURNAL
In this study, it is aimed to obtain two different asymmetric radiation patterns obtained from antennas in the shape of the cross-section of a parabolic reflector (fan blade type antennas) and antennas with cosecant-square radiation characteristics at two different frequencies from a single antenna. For this purpose, firstly, a fan blade type antenna design will be made, and then the reflective surface of this antenna will be completed to the shape of the reflective surface of the antenna with the cosecant-square radiation characteristic with the frequency selective surface designed to provide the characteristics suitable for the purpose. The frequency selective surface designed and it provides the perfect transmission as possible at 4 GHz operating frequency, while it will act as a band-quenching filter for electromagnetic waves at 5 GHz operating frequency and will be a reflective surface. Thanks to this frequency selective surface to be used as a reflective surface in the antenna, a fan blade type radiation characteristic at 4 GHz operating frequency will be obtained, while a cosecant-square radiation characteristic at 5 GHz operating frequency will be obtained.
Reagentless iron detection in water based on unclad fiber optical sensorTELKOMNIKA JOURNAL
A simple and low-cost fiber based optical sensor for iron detection is demonstrated in this paper. The sensor head consist of an unclad optical fiber with the unclad length of 1 cm and it has a straight structure. Results obtained shows a linear relationship between the output light intensity and iron concentration, illustrating the functionality of this iron optical sensor. Based on the experimental results, the sensitivity and linearity are achieved at 0.0328/ppm and 0.9824 respectively at the wavelength of 690 nm. With the same wavelength, other performance parameters are also studied. Resolution and limit of detection (LOD) are found to be 0.3049 ppm and 0.0755 ppm correspondingly. This iron sensor is advantageous in that it does not require any reagent for detection, enabling it to be simpler and cost-effective in the implementation of the iron sensing.
Impact of CuS counter electrode calcination temperature on quantum dot sensit...TELKOMNIKA JOURNAL
In place of the commercial Pt electrode used in quantum sensitized solar cells, the low-cost CuS cathode is created using electrophoresis. High resolution scanning electron microscopy and X-ray diffraction were used to analyze the structure and morphology of structural cubic samples with diameters ranging from 40 nm to 200 nm. The conversion efficiency of solar cells is significantly impacted by the calcination temperatures of cathodes at 100 °C, 120 °C, 150 °C, and 180 °C under vacuum. The fluorine doped tin oxide (FTO)/CuS cathode electrode reached a maximum efficiency of 3.89% when it was calcined at 120 °C. Compared to other temperature combinations, CuS nanoparticles crystallize at 120 °C, which lowers resistance while increasing electron lifetime.
In place of the commercial Pt electrode used in quantum sensitized solar cells, the low-cost CuS cathode is created using electrophoresis. High resolution scanning electron microscopy and X-ray diffraction were used to analyze the structure and morphology of structural cubic samples with diameters ranging from 40 nm to 200 nm. The conversion efficiency of solar cells is significantly impacted by the calcination temperatures of cathodes at 100 °C, 120 °C, 150 °C, and 180 °C under vacuum. The fluorine doped tin oxide (FTO)/CuS cathode electrode reached a maximum efficiency of 3.89% when it was calcined at 120 °C. Compared to other temperature combinations, CuS nanoparticles crystallize at 120 °C, which lowers resistance while increasing electron lifetime.
A progressive learning for structural tolerance online sequential extreme lea...TELKOMNIKA JOURNAL
This article discusses the progressive learning for structural tolerance online sequential extreme learning machine (PSTOS-ELM). PSTOS-ELM can save robust accuracy while updating the new data and the new class data on the online training situation. The robustness accuracy arises from using the householder block exact QR decomposition recursive least squares (HBQRD-RLS) of the PSTOS-ELM. This method is suitable for applications that have data streaming and often have new class data. Our experiment compares the PSTOS-ELM accuracy and accuracy robustness while data is updating with the batch-extreme learning machine (ELM) and structural tolerance online sequential extreme learning machine (STOS-ELM) that both must retrain the data in a new class data case. The experimental results show that PSTOS-ELM has accuracy and robustness comparable to ELM and STOS-ELM while also can update new class data immediately.
Electroencephalography-based brain-computer interface using neural networksTELKOMNIKA JOURNAL
This study aimed to develop a brain-computer interface that can control an electric wheelchair using electroencephalography (EEG) signals. First, we used the Mind Wave Mobile 2 device to capture raw EEG signals from the surface of the scalp. The signals were transformed into the frequency domain using fast Fourier transform (FFT) and filtered to monitor changes in attention and relaxation. Next, we performed time and frequency domain analyses to identify features for five eye gestures: opened, closed, blink per second, double blink, and lookup. The base state was the opened-eyes gesture, and we compared the features of the remaining four action gestures to the base state to identify potential gestures. We then built a multilayer neural network to classify these features into five signals that control the wheelchair’s movement. Finally, we designed an experimental wheelchair system to test the effectiveness of the proposed approach. The results demonstrate that the EEG classification was highly accurate and computationally efficient. Moreover, the average performance of the brain-controlled wheelchair system was over 75% across different individuals, which suggests the feasibility of this approach.
Adaptive segmentation algorithm based on level set model in medical imagingTELKOMNIKA JOURNAL
For image segmentation, level set models are frequently employed. It offer best solution to overcome the main limitations of deformable parametric models. However, the challenge when applying those models in medical images stills deal with removing blurs in image edges which directly affects the edge indicator function, leads to not adaptively segmenting images and causes a wrong analysis of pathologies wich prevents to conclude a correct diagnosis. To overcome such issues, an effective process is suggested by simultaneously modelling and solving systems’ two-dimensional partial differential equations (PDE). The first PDE equation allows restoration using Euler’s equation similar to an anisotropic smoothing based on a regularized Perona and Malik filter that eliminates noise while preserving edge information in accordance with detected contours in the second equation that segments the image based on the first equation solutions. This approach allows developing a new algorithm which overcome the studied model drawbacks. Results of the proposed method give clear segments that can be applied to any application. Experiments on many medical images in particular blurry images with high information losses, demonstrate that the developed approach produces superior segmentation results in terms of quantity and quality compared to other models already presented in previeous works.
Automatic channel selection using shuffled frog leaping algorithm for EEG bas...TELKOMNIKA JOURNAL
Drug addiction is a complex neurobiological disorder that necessitates comprehensive treatment of both the body and mind. It is categorized as a brain disorder due to its impact on the brain. Various methods such as electroencephalography (EEG), functional magnetic resonance imaging (FMRI), and magnetoencephalography (MEG) can capture brain activities and structures. EEG signals provide valuable insights into neurological disorders, including drug addiction. Accurate classification of drug addiction from EEG signals relies on appropriate features and channel selection. Choosing the right EEG channels is essential to reduce computational costs and mitigate the risk of overfitting associated with using all available channels. To address the challenge of optimal channel selection in addiction detection from EEG signals, this work employs the shuffled frog leaping algorithm (SFLA). SFLA facilitates the selection of appropriate channels, leading to improved accuracy. Wavelet features extracted from the selected input channel signals are then analyzed using various machine learning classifiers to detect addiction. Experimental results indicate that after selecting features from the appropriate channels, classification accuracy significantly increased across all classifiers. Particularly, the multi-layer perceptron (MLP) classifier combined with SFLA demonstrated a remarkable accuracy improvement of 15.78% while reducing time complexity.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
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.
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.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
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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.
• 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.
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.
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The process of PSO to find optimum formula does not require variation operators such as
recombination, mutation, and selection phase which lead PSO to produce more rapid solution
than GA. The movement process in PSO relies upon better solution found so far and the
memory of best solution of all candidate solution using a simple equation which gives some
advantageous. However, PSO easily trapped into local optima when problem dimension is
high [14] and when dealing with the complex multi-modal problem [15]. Since the most used
formula only estimating total amino acids in the feed. Whereas, the obtained formula often
excess digestible amino acids of poultry [16]. The complexity of problem would increase by
accounting digestible amino acids. Thus, the more advanced technique is required to enhance
PSO to produce better and stable formula with less time complexity. Furthermore, there is a lack
of study of PSO parameters in finding the optimum formula. It could be used for software
developer as parameters references and improve PSO ability to reach global optima since PSO
parameter is problem dependent [17].
The diversity of particle position should be expanded in order to prevent premature
convergence. It can be obtained by using a multi-swarm approach which is a technique to use
more than one swarm that corporate each other. This approach is proven as robust algorithm to
solve a complex multi-modal problem and to prevent premature convergence [18]. The multi-
swarm approach also has been applied to rainfall forecasting problem and show better results
[19].Therefore, this study emphasizes on the improvement of PSO through the multi-swarm,
take into account the balanced amino acids that considering the amount of digestible amino
acids, and determination of good swarm size, iterations, and inertia weight of proposed method.
2. Standard Particle Swarm Optimization
Particle Swarm Optimization (PSO) is an algorithm inspired from swarm behaviour of
animals like birds and fish to find a food [20]. It has been applied in economic dispatch
problem [21,22], software effort estimation [23], cost forecasting [24], and in designing artificial
neural network [25]. The birds movement is influenced by other birds. In other words, the
particle’s position will change based on a velocity that depends on last velocity, cognitive
movement, and social movement. Let say that a particle i represent the candidate solution that
have D-dimensional problem and each dimension j have particular velocity and position at time t
denoted as ( ) and ( ) respectively.
The cognitive movement is obtained from distance between current position and
personal best position ( ) accelerated by cognitive coefficient ( ) and random real value
between [0,1] ( ). While the social movement is obtained from distance between current
position and global best position ( ) accelerated by social coefficient ( ) and random real
value between [0,1] ( ). The inertia weight denoted as w is added later to control both
movements [26].
( ) ( ) ( ( ) ( )) ( ( ) ( )) (1)
( ) ( ) ( ) (2)
The next velocity and position are updated by equation 1 and 2 respectively. As long the particle
move, it has personal best position memory that updated by equation 3. While the best of all
particle of all memory’s movement is kept in gbest that updated by equation 4.
( ) {
( ) ( ( )) ( ( ))
( ) ( ( )) ( ( ))
(3)
( ) {
( ) ( ( )) ( ( ))
( ) ( ( )) ( ( ))
(4)
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3. Proposed Multi-Swarm Particle Swarm Optimization
The proposed model of Multi-Swarm Particle Swarm Optimization (MSPSO) is depicted
in Figure 1 where the square object represents the sub-swarm. Swarm in PSO is divided into 4
sub-swarm which are A, B, C, and D. The movement process of a particle of PSO in each
sub-swarm is enhanced with a probability of bisection method using equation 5 and 6. Since
particle only shares information outside of itself using global best position, it will be
advantageous of a particle to get information from other better particle. Using equation 5, the
particle can move based on another best personal position using bisection. K is a random
integer number in [1, N], N is the swarm size of each sub-swarm. This movement is performed
when the probability is satisfied called Bp that shown in equation 6. The value of Bp is linearly
decreasing through time, maxBp is the maximum bisection probability, minBp is the minimum
bisection probability, and maxIteration is the total iteration in migration phase. In MSPSO, each
sub-swarm have different maxBp which are 0.2, 0.3, 0.4, and 0.5 with the same minBp of 0.01.
( )
( )
(5)
( ) (6)
In particular period, global best position in each sub-swarm is migrated to neighbor sub-
swarm as shown in Figure 1. That movement process takes 80% of defined total iterations
called as a migration phase. While the rest 20% of defined total iterations, all sub-swarm are
aggregated into one swarm and all particle move using standard PSO movement process that
uses the best global best position of all sub-swarm. This movement is called as an aggregation
phase.
The proportion of iteration for both phases shows that migration phase takes longer run
than aggregation phase. This intended to make particles focus on finding the good solution by
cooperatively migrating the global best position and competitively using movement in its sub
swarm with different maxBp parameters. Finally, in order to ensure the particles convergence
and to work cooperatively for all particles, the aggregation phase is performed with 20% of total
iterations.
Figure 1. Proposed MSPSO Model to Optimize Laying Hen Diet
Migration Phase
80% of Total
Iteration
Aggregation
Phase
20% of Total
Iteration
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4. MSPSO Application to Optimize Laying Hen Diet
The laying hen diet formula consists of a composition of feed ingredients in percentage
form. The amount of feed intake on daily basis easily obtained by converting the formula to
weight form. All composition have to satisfy hard constraint and soft constraint. The hard
constraint is the sum of all composition that have to be 100%. While the soft constraints are
non-amino acids constraint, balanced amino acids constraint, and composition constraint.
4.1. Total Ingredient Constraint
The total percentage of each feed ingredient has to be 100% that serve as the hard
constraint. Thus, the amount of feed in percentage form have to satisfy the hard constraint and
no penalty is given. Let ̅ is the vector position of a particle that contains each percentage of
feed ingredient that is described in equation 7 and the hard constraint is described in
equation 8. is the percentage value of particle at feed ingredient and is the total
dimension of the problem which is the total feed ingredients.
̅ * + (7)
∑ (8)
During movement process, the total amount of ingredients likely not equal to 100% precisely.
Thus, the repair process is a necessity for a particle to satisfy the hard constraint. The amount
of ingredient composition is repaired using equation 9. However, the equation can be used only
when all composition has a positive value. During the initial movement, it is highly likely that the
amount of ingredient is negative which equation 9 incapable to be employed and a negative
value is given to total negative amount found in a particle. The assessment of a particle was
discussed in detail in chapter 4.4.
∑
(9)
4.1. Non-Amino Acids Constraint
The nutrient requirement of laying hen change through age phases such as starter,
grower, or layer. It has minimum and maximum boundary that should be satisfied by each
nutrient in feed. The amount of non-amino acids nutrient is sufficient if it is in-between the
boundary. Accounted non-amino acids in this study are Metabolizable Energy (ME), Crude
Protein (CP), Crude Fat (F), Crude Fiber (CF), Calcium (Ca), Phosphorus (P), Sodium (Na),
Potassium (K), Chlorine (Cl), Manganese (Mn), and Zinc (Zn).
Let be the particular nutrient and total amount of denoted as that is obtained by
using equation 10. is the amount of in ingredient at particle in one Kilogram.
The constraint then defined in equation 11. and in is the minimum and maximum
boundary.
( ̅) ∑ (10)
( ̅) (11)
4.2. Amino Acids Constraint
An amount of digestible Amino Acids (AA) nutrients depends on the amount of Lysine
(Lis) in a feed. Even though the amino acids is excessive in a feed, the laying hen only takes the
digestible amount of it. Thus, the extension of equation 10 is necessary to assess the digestible
AA in a feed. The accounted AA in this study are Arginine (Arg), Cysteine (Cys), Glycine (Gly),
Histidine (His), Isoleucine (Isol), Leucine (Leu), Lysine (Lis), Methionine (Met), Phenylalanine
(Fenil), Threonine (Thre), Tryptophan (Trip), Tyrosine (Tir), and Valine (Val).
The amount of particular AA in a feed is relative to the fulfillment of Lis. If the amount of
Lis in a feed is less than the minimum requirement, then the particular digestible AA is
calculated using equation 12. The minimum requirement of particular nutrient c and Lis denoted
as and respectively. Otherwise, if the amount of Lis in a feed is satisfied or
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excessive, then the amount of other AA is the same with total nutrient in a feed ( ) regardless
the satisfaction of the requirement of AA. Therefore, The amount of digestible AA under certain
condition is defined in equation 13 and the constraint is defined in equation 14.
( ̅) ( ̅) (12)
( ̅) {
( ̅) ( ̅) ( ̅) ( ̅)
( ̅) ( ̅)
( ̅) ( ̅) ( ̅) ( ̅)
(13)
( ̅) (14)
4.3. Maximum Ingredient Constraint
Each position j in particle i that denoted as have maximum composition boundary
that is recommended by the experts. If shows the maximum limit of ingredient j, then the
maximum ingredient constraint that should be satisfied is defined in equation 15.
(15)
4.4. Fitness Function
The fitness function is a function to evaluate a particle with certain assessment or
objective. The higher the fitness value, the higher the quality of candidate solution. The fitness
value can be obtained from the inverse of the summation of the total cost, a penalty of the
nutrient or non-amino acids, a penalty of amino acids, and penalty of a maximum ingredient
which respectively denoted as , , , and . Furthermore, the negative position in
a particle highly likely to be found in the first movement. If the negative position is repaired
immediately in the same iteration, the valuable information would be a loss for another particle.
In this study, the total negative position becomes the fitness value of a particle which denoted
as . Therefore, the fitness function is defined in equation 16 and the total negative position
is defined in equation 17.
( ̅) { ( ̅) ( ̅) ( ̅) ( ̅)
̅
( ̅) ̅
(16)
( ̅) ∑ { (17)
When minimizing cost as well as another objective like nutrient and maximum ingredient
penalty, the number should be not too far from other. For instance, In 100 Kg. The cost of feed
could be IDR 400,000 or more. This number is too far from the penalty value. Thus, the
normalized cost is performed to total cost in respect to all objectives as shown in Equation (18)
and the total cost is shown in equation 19. The minimum cost from all feed ingridients in one
kilogram is denoted as minCost while the maximum cost is denoted as maxCost. For instance,
ingredient A=IDR 5,000, ingredient B=IDR 2,000, and ingredient C=IDR 3,000. Then the
minCost would be 2,000 while maxCost would be 5,000.
( ̅)
( ̅)
(18)
( ̅) ∑ (19)
The penalty of non-amino acids is given when the amount of particular nutrient b violates the
constraints. Let B is the number of non-amino acids and . For each accounted b, the
penalty is summed which is shown in equation 20. and are a minimum and a
maximum requirement of nutrient b respectively.
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( ̅) ∑ {
( ̅) ( ̅)
( ̅) ( ̅)
( ̅)
(20)
While the penalty of amino acids is defined in Equation (21). Let C be the number of amino
acids, c is the particular nutrient of amino acids, and . and are a minimum and a
maximum requirement of nutrient c respectively.
( ̅) ∑ {
( ̅) ( ̅)
( ̅)
(21)
The penalty from maximum ingredient constraint is obtained from Equation (22). The maximum
limit of feed j is denoted as .
( ̅) ∑ { (22)
5. Results and Discussion
Analysis of good parameters is performed first before comparison to other approach
such as Genetic Algorithm, Standard PSO, and Hybridization Adaptive GA with Simulated
Annealing. In the analysis of swarm size and total iteration, w=0.6, c1=1.8, and c2=2.1 is used
as initial parameter. The test formulae for experimentation of swarm size, iterations, and inertia
weight is defined in Table 1. While the test formulae for comparison to other algorithms is
defined in Table 2 (Please visit http://blog.ub.ac.id/alfarisy/2018/01/31/ingredients-dataset-of-
poultry-diet-optimizing-laying-hen-diet-using-multi-swarm-particle-swarm-optimization/ for more
detail).
Table 1. Test Formulae for Good Parameters
Formula Feed Ingredient
11A Bran, Corn Bran, Wheat, Yellow Corn,
Menir , Soybean Meal, Coconut Meal,
Peanut Meal, Foka, MBM, Bone Flour
12A Bran, Wheat, Menir, Sorghum, Coconut
Meal, Hidrolisis I. Rumen, MBM, Quill
Flour, Meat Flour, Blood Flour, Bone
Flour, Fish Oil
13A Corn Bran, Wheat, Yellow Corn, Menir,
Pollard, Rubber Seed Meal, Fish Flour
(Herring), Fish Flour (Menhaden), Meat
Flour, Clamshell, Bone Flour, Fish Oil,
Coconut Oil
14A Bran, Corn Bran, Wheat, Yellow Corn,
Menir, Pollard, Coconut Meal, Skim Milk,
Fish Flour (Ancovetta), Fish Flour
(Menhaden), Meat Flour, Chalk,
Clamshell, Bone Flour
15A Bran, Corn Bran, Wheat, Yellow Corn,
Cotton Seed Meal, Rubber Seed Meal,
Soybean Meal, Coconut Meal, Snail
Flour, Clamshell, Blood Flour, Lamtoro
Flour, Chalk, Bone Flour, Fish Oil
Table 2. Test Formulae for Comparison
Formula Feed Ingredient
11B Corn Bran, Wheat, Yellow Corn, Menir,
Pollard,9, Coconut Meal, Fish Flour
(Ancovetta), Fish Flour (Herring), Fish
Flour (Menhaden), Bone Flour
12B Bran, Corn Bran, Yellow Corn, Sorghum,
Coconut Meal, Hidrolisis I. Rumen, MBM,
Fish Flour (Ancovetta), Quill Flour, Blood
Flour, Bone Flour, Fish Oil
13B Bran, Corn Bran, Wheat, Yellow Corn,
Pollard,8, Coconut Meal, MBM, Fish
Flour (Herring), Lamtoro Flour,
Clamshell, Fish Oil, Coconut Oil
14B Bran, Corn Bran, Wheat, Sorghum,
Cotton Seed Meal, Coconut Meal,
Peanut Meal, MBM, Fish Flour
(Ancovetta), Meat Flour, Blood Flour,
Chalk, Clamshell, Coconut Oil
15B Bran, Corn Bran, Wheat, Pollard,
Sorghum, Cotton Seed Meal, Soybean
Meal, Coconut Meal, Hidrolisis I. Rumen,
MBM, Quill Flour, Lamtoro Flour,
Clamshell, Bone Flour, Fish Oil
5.1. Swarm Size
The swarm size significantly affects the performance of PSO. A large number of swarm
size may increase time complexity of PSO while a small number of swarm size snares a
particle into local optima region [21]. An effect of the increment of swarm size is carried out
through simulation by gradually increase swarm size from 5 to 100 by 5 step and the obtained
result is shown in Figure 2.
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(a) (b)
(c) (d)
(e)
Figure 2. The effect of swarm size for each sub-swarm in formula 11A (a), 12A (b), 13A (c), 14A
(d), and 15A (e)
The optimum swarm size for each sub-swarm is determined by pick out the number that
give little bit significant improvement less than it and does not give any siginificant improvement
higher than it. In formula 11A, 40 swarm size is the optimum value as shown in Figure 2. if we
increase the swarm size above it, it does not give any serious impact to the average fitness.
While for other formula, 12A = 15, 13A = 50, 14A = 45, and 15A = 30 swarm size.
The simulation results show us that different choice of ingredients need different
optimum swarm size. It is a lot of task to determine each optimum swarm size for each
ingredients combination. Futhermore, the number of problem dimension is not associate with
the number of the swarm size. 15A which is 15 different ingredient choices need less swarm
size than 13A which is 13 different ingredient choices. Therefore, swarm size should be
determined for all possible choices from 5 simulation results. Eventhough it is not optimum for
every formula.
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In determining good swarm size, the determined value should not aggravate the
performance for others. For instance, if we choose 15 as a good swarm size, then it is not the
optimum value for 11A which is shown lower average fitness. While, if we choose the highest
optimum swarm size like 50, all formulae would produce high average fitness even it is not
optimum in terms of time complexity. Since it is a lot of task to analyze every ingredient choices
and considering fluctuating price, the good value is determined by the small sample of
simulation. Therefore, the good choice of swarm size should be above 50.
5.2. Iterations
The results of optimal iterations for all formula is depicted in Figure 3. We tune the
number of iterations from 1,000 until 20,000 and if the optimal iteration does not seem obvious
to be determined as an optimal value then we increase the iteration to 30,000 by 1,000 steps.
PSO is run 10 times and average fitness is calculated due to stochastic optimization and for fair
analysis. The optimum iteration for each formula is drawn from the average fitness for each
iteration.
(a)
(b)
(c)
(d)
(e)
Figure 3. The effect of iterations in formula 11A (a), 12A (b), 13A (c), 14A (d), and 15A (e)
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The optimum iteration is determined by observing the impact to average fitness and
PSO duration. In formula 11A, 6,000 iterations are adequate to produce good solution since
significant improvement is not found above 6,000 as well as other formulae. In formula 12A,
require the minimum iteration of 3,000. In formula 13A, require the minimum iteration of 16,000.
In formula 14A, require the minimum iteration of 15,000. While in formula 15A, require the
minimum iteration of 3,000. The all optimum iteration differs through the formula. In this
problem, no association between a number of dimensions and optimum iteration.
As shown in Figure 3, There are no optimum iterations for all ingredients choices. It
becomes difficult task to find all optimum iteration for all ingredient combinations. We should
determine the good iterations that notice whether it decrease the average fitness in another
formula or not. In this case, the highest optimum iteration is safe to choose since it does not
sacrifice the average fitness even though it may increase time complexity for others. Thus, the
number of iteration above 16,000 should be chosen as good iteration.
5.3. Inertia Weight
The results of good inertia weight for all formula is depicted in Figure 4. We tune the
inertia weight from 0,1 and gradually increase the value by 0,1 until 1,0. For each inertia weight,
PSO run 10 times and average fitness is calculated. The good inertia weight for each formula is
drawn from the obtained result.
(a) (b)
(c) (d)
(e)
Figure 4. The effect of inertia weight in formula 11A (a), 12A (b), 13A (c), 14A (d), and 15A (e)
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As depicted in Figure 4, The high value of inertia weight, particularly inertia weight
of 1.0, would reduce the average fitness on all formula. In formula 11A, increasing inertia weight
from 0.1 to 0.6 would increase average fitness gradually and above 0.6 would reduce the
average fitness. In this case, 0.6 should be the good inertia weight for 11A. While in formula
12A, the inertia weight from 0.1 to 0.6 does not give any significant improvement and inertia
weight above 0.6 would reduce the average fitness. Thus, in formula 12A, the inertia weight
between 0.1 to 0.6 should be a good inertia weight to choose.
The determination of the good inertia weight for other formulae also use the same
observation. In formula 13A, the inertia weight between 0.4 and 0.6 can produce higher average
fitness than below 0.4 and above 0.6. In formula 14A, the good inertia weight should be
between 0.5 and 0.6. While in formula 15A, the good inertia weight should be between 0.4
and 0.6. The good inertia weight that can produce a better solution for all formula is about 0.6 as
depicted in Figure 4. Inertia weight of 0.6 is suitable in formula A11, A12, A13, A14, and A15.
Therefore, 0.6 is chosen as a good inertia weight that is used in next experimentation.
5.4. Comparison
MSPSO is tested with other algorithms in order to perceive how robust of this proposed
algorithm. The comparison algorithms are Genetic Algorithm (GA), Hybridization of Adaptive
Genetic Algorithm and Simulated Annealing (AGASA), and standard Particle Swarm
Optimization (PSO).
The obtained results of average fitness, average penalty, average cost, average time,
and average standard deviation for all algorithms and formulae are shown in Table 3. All
algorithms use the same swarm size/population size and total iteration/generation. They were
run ten times and the average of the results was calculated. In GA, the crossover rate of 0.7 and
mutation rate of 0.3 are used in this experimentation. While in AGASA, crossover rate of 0.6,
mutation rate of 0.4, SA iteration of 10, and temperature decrease rate of 0.75 are used as
shown as a good parameter in AGASA to optimize poultry diet [11].
Table 3. Comparison Results of GA, AGASA, PSO, and MSPSO for all formulae
Formula Algorithm
Average
Fitness
Average
Total Penalty
of Nutrient
Average cost
(IDR/100Kg.)
Average
Time
(seconds)
Average
Standard
Deviation
B11
GA 0.778741 1.000656589 740,567.87 140.2455 0.049634
AGASA 0.794305 0.969401818 745,331.83 478.4577 0.029883
PSO 0.86739 0.83925435 790,760.30 61.04272 0.04715
MSPSO 0.922858 0.770553304 784,254.23 54.14518 0.009419
B12
GA 0.131164 4.837896555 474,864.53 168.7403 0.013303
AGASA 0.16641 0.987496691 818,293.01 521.4085 0.009502
PSO 0.176263 2.416125052 885,897.58 53.68276 0.006955
MSPSO 0.183378 0.578135752 1,028,150.25 56.72956 0.000827
B13
GA 0.985869 0.987496691 818,293.01 164.1121 0.116667
AGASA 1.289382 0.734292391 885,897.58 318.4472 0.032245
PSO 1.378856 0.677241754 1,028,150.25 78.95179 0.038345
MSPSO 1.415733 0.654207681 789,554.65 58.522 0.019207
B14
GA 0.355566 2.416125052 885,897.58 189.6768 0.027065
AGASA 0.40628 2.043839734 925,324.45 420.3396 0.032158
PSO 0.467193 1.678281028 995,170.41 80.58469 0.02634
MSPSO 0.513508 1.456611067 1,038,229.90 64.84849 0.007197
B15
GA 1.585272 0.578135752 1,028,150.25 167.421 0.077493
AGASA 1.884987 0.481274575 961,762.33 336.9133 0.04799
PSO 1.993432 0.455753393 913,981.35 86.50326 0.059692
MSPSO 2.068289 0.44004207 872,777.03 75.26807 0.026161
As shown in Table 3, MSPSO produces the highest average fitness, the lowest average
total penalty, and the lowest average standard deviation than other algorithms that shown in
bold type value. MSPSO produce the lowest average cost on 2 formulae (B13 and B15). In case
of B12 and B14, MSPSO produces the highest average cost than others. However, this result is
associated with the average lowest penalty that may increase the cost.
GA and AGASA produce lower average fitness than PSO dan MSPSO. It shows us that
particle swarm optimization approach is better than genetic algorithm approach in terms of
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average fitness or solution quality. In term of time complexity, almost on all formulae (except
B12), MSPSO require the lowest time than other algorithms. Furthermore, MSPSO can produce
the most stable formula as shown in average standard deviation results. It demonstrates us that
MSPSO as effective and efficient algorithm to optimize laying hen diet.
The results prove MSPSO as a robust algorithm to optimize laying hen diet. The
diversity of particles is enhanced by cooperative sub-swarms that attracted on its own global
best position which contributes towards diverse search trajectory and produce bettter solution.
Furthermore, hypothetically speaking, MSPSO employs several sub-swarm that may operate
parallelly in operating system level through multi-core processor. Thus, it requires less time than
PSO which only employ one swarm. However, further study is necessary to understand
empirically or theoretically how multi-swarm can produce less time than one swarm in PSO.
6. Conclusion
This study presents the optimization of feed composition for laying hen through MSPSO
that accounting the balanced amino acids constraint. Furthermore, good swarm size, iteration
and inertia weight were analyzed through several simulations on five different formulae.
The experimental results show that MSPSO as an effective and efficient approach to
optimize laying hen diet. In parameter experimentation, MSPSO requires different optimum
swarm size for each sub-swarm, iteration, and inertia weight for different ingredient choices. The
good swarm size and iteration which are 50 and 16,000 respectively are determined by the
maximum value found in a small sample. The inertia weight of 6.0 is found as good parameter
choice on all sample. These parameter values should be used to optimize poultry diet using
MSPSO. While in comparative experimentation, MSPSO produces best and stable solution
quality than other algorithms. Furthermore, almost on all formulae, MSPSO require less time
than others. Therefore, MSPSO is proven as a robust approach to optimize laying hen diet.
In the future study, free-parameter PSO variants may beneficial to solve the animal diet
problem since the parameter is not necessarily defined explicitly that overcame the issue with a
difference of the optimum parameter through ingredient choices. In addition, The time
complexity could be reduced by shrinking the dimension when feed composition is near to zero
which means that the ingredients are not used in the formula and considered not necessary to
be computed in further PSO movement.
References
[1] Rahman RA, Ang C, Ramli R. Investigating Feed Mix Problem Approaches : An Overview and
Potential Solution. World Academy of Science, Engineering and Technology. 2010; 46(10): 424–32.
[2] Oladoja MA, Olusanya TP. Impact of private feed formulation and production as a tool for poverty
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