Improved Particle Swarm Optimization for Global Optimization of Unimodal and Multimodal Functions

被引：5
|
作者：
Basu M. [1 ]
机构：
[1] Department of Power Engineering, Jadavpur University, Kolkata
来源：
Journal of The Institution of Engineers (India): Series B | 2016年 / 97卷 / 4期
关键词：
Gaussian random variable; Multimodal function; Particle swarm optimization; Unimodal function;
D O I：
10.1007/s40031-015-0204-6
中图分类号：
学科分类号：
摘要：
Particle swarm optimization (PSO) performs well for small dimensional and less complicated problems but fails to locate global minima for complex multi-minima functions. This paper proposes an improved particle swarm optimization (IPSO) which introduces Gaussian random variables in velocity term. This improves search efficiency and guarantees a high probability of obtaining the global optimum without significantly impairing the speed of convergence and the simplicity of the structure of particle swarm optimization. The algorithm is experimentally validated on 17 benchmark functions and the results demonstrate good performance of the IPSO in solving unimodal and multimodal problems. Its high performance is verified by comparing with two popular PSO variants. © 2015, The Institution of Engineers (India).
引用
收藏
页码：525 / 535
页数：10
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