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Multiobjective Particle Swarm Approach for the Design of a Brushless DC Wheel Motor

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3 Author(s)
Leandro dos Santos Coelho$^{1}$Automation and Systems Laboratory, LAS/PPGEPS,, Pontifical Catholic University of Paraná,, Curitiba,, Brazil ; Leandro Zavarez Barbosa ; Luiz Lebensztajn

The roots of swarm intelligence are deeply embedded in the biological study of self-organized behaviors in social insects. Particle swarm optimization (PSO) is one of the modern metaheuristics of swarm intelligence, which can be effectively used to solve nonlinear and non-continuous optimization problems. The basic principle of PSO algorithm is formed on the assumption that potential solutions (particles) will be flown through hyperspace with acceleration towards more optimum solutions. Each particle adjusts its flying according to the flying experiences of both itself and its companions using equations of position and velocity. During the process, the coordinates in hyperspace associated with its previous best fitness solution and the overall best value attained so far by other particles within the group are kept track and recorded in the memory. In recent years, PSO approaches have been successfully implemented to different problem domains with multiple objectives. In this paper, a multiobjective PSO approach, based on concepts of Pareto optimality, dominance, archiving external with elite particles and truncated Cauchy distribution, is proposed and applied in the design with the constraints presence of a brushless DC (Direct Current) wheel motor. Promising results in terms of convergence and spacing performance metrics indicate that the proposed multiobjective PSO scheme is capable of producing good solutions.

Published in:

IEEE Transactions on Magnetics  (Volume:46 ,  Issue: 8 )