An enhanced particle swarm optimization with levy flight for global optimization

被引:242
作者
Jensi, R. [1 ]
Jiji, G. Wiselin [1 ]
机构
[1] Dr Sivanthi Aditanar Coll Engn, Tiruchendur, Tamil Nadu, India
关键词
Particle swarm optimization; Levy flight; Nature-inspired strategy; Global optimization; PSO;
D O I
10.1016/j.asoc.2016.02.018
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Huseyin Hakli and Harun Uguz (2014) proposed a novel approach for global function optimization using particle swarm optimization with levy flight (LFPSO) [Huseyin Hakli, Harun U guz, A novel particle swarm optimization algorithm with levy flight. Appl. Soft Comput. 23, 333-345 (2014)]. In our study, we enhance the LFPSO algorithm so that modified LFPSO algorithm (PSOLF) outperforms LFPSO algorithm and other PSO variants. The enhancement involves introducing a levy flight method for updating particle velocity. After this update, the particle velocity becomes the new position of the particle. The proposed work is examined on well-known benchmark functions and the results show that the PSOLF is better than the standard PSO (SPSO), LFPSO and other PSO variants. Also the experimental results are tested using Wilcoxon's rank sum test to assess the statistical significant difference between the methods and the test proves that the proposed PSOLF method is much better than SPSO and LFPSO. By combining levy flight with PSO results in global search competence and high convergence rate. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:248 / 261
页数:14
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