Hyperbolic Tangent - Based Adaptive Inertia Weight Particle Swarm Optimization
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Keywords
Particle Swarm Optimization, Adaptive Inertia Weight, Hyperbolic Tangent Function, Benchmark Functions, Convergence Rate
Abstract
This paper presents a study on using adaptive inertia weight (AIW) in particle swarm optimization (PSO) for solving optimization problems. An AIW function based on the hyperbolic tangent function was proposed, with the function parameters adaptively tuned based on the particle best and global best values. The performance of the proposed AIW-PSO was compared with standard PSO and other PSO variations using seven benchmark functions. The results showed that the proposed AIW-PSO outperformed the other variations in terms of minimum cost and mean cost while reducing the standard deviation of cost. The performance of the different PSO variations was also analysed by plotting the best cost against iteration, with the proposed AIW-PSO showing a faster convergence rate. Overall, the study demonstrates the effectiveness of using an adaptive inertia weight function in PSO for optimizing problems.
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Francis Boafo Effah, Kwame Nkrumah University of Science and Technology
Senior Lecturer, Department of Electrical / Electronic Engineering. Kwame Nkrumah University of Science and Technology
Philip Yaw Okyere, Kwame Nkrumah University of Science and Technology
B.Sc., D.E.A., Dr-Ing , Professor
Department of Electrical / Electronic Engineering , Kwame Nkrumah University Of Science and Technology