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Multimodal function optimization based on particle swarm optimization

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6 Author(s)
Jang-Ho Seo ; Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ. ; Chang-Hwan Im ; Chang-Geun Heo ; Jae-Kwang Kim
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In this paper, a new algorithm for the multimodal function optimization is proposed, based on the particle swarm optimization (PSO). A new method, named the multigrouped particle swarm optimization (MGPSO), keeps basic concepts of the PSO, and, thus, shows a more straightforward convergence compared to conventional hybrid type approaches. Moreover, the MGPSO has a unique advantage in that one can search N superior peaks of a multimodal function when the number of groups is N. The usefulness of the proposed algorithm was verified by the application to various case studies, including a practical electromagnetic optimization problem

Published in:
Magnetics, IEEE Transactions on  (Volume:42 ,  Issue: 4 )

Date of Publication: April 2006

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