Fast multi-swarm optimization with cauchy mutation and crossover operation

Authors:
Qing Zhang;Changhe Li;Yong Liu;Lishan Kang
Affiliations:
China University of Geosciences, School of Computer, Wuhan, P.R. China and Huanggang Normal University;China University of Geosciences, School of Computer, Wuhan, P.R. China;The University of Aizu, Aizu-Wakamatsu, Fukushima, Japan;China University of Geosciences, School of Computer, Wuhan, P.R. China
Venue:
ISICA'07 Proceedings of the 2nd international conference on Advances in computation and intelligence
Year:
2007

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Abstract

The standard Particle Swarm Optimization (PSO) algorithm is a novel evolutionary algorithm in which each particle studies its own previous best solution and the group's previous best to optimize problems. One problem exists in PSO is its tendency of trapping into local optima. In this paper, a multiple swarms technique(FMSO) based on fast particle swarm optimization(FPSO) algorithm is proposed by bringing crossover operation. FPSO is a global search algorithm witch can prevent PSO from trapping into local optima by introducing Cauchy mutation. Though it can get high optimizing precision, the convergence rate is not satisfied, FMSO not only can find satisfied solutions, but also speeds up the search. By proposing a new information exchanging and sharing mechanism among swarms. By comparing the results on a set of benchmark test functions, FMSO shows a competitive performance with the improved convergence speed and high optimizing precision.