Hui Niu; Yongshou Dai; Xing Peng

Particle Swarm Optimization With Adaptive Parameters and Boundary Constraints

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Author(s)

1. Department of Electrical Engineering College of Information and Control Engineering China University of Petroleum (East)

* Corresponding author.

DOI: https://doi.org/10.5815/ijem.2012.04.03

Received: 6 Apr. 2012 / Revised: 5 Jun. 2012 / Accepted: 12 Jul. 2012 / Published: 29 Aug. 2012

Index Terms

PSO adaptive parameters boundary constraints

Abstract

The core idea of PSO is that each particle searches the best solution of optimization problems according to “information sharing” between surrounding particles and itself. PSO has fast convergence speed and high global search capability. For low accuracy and divergent results of elementary PSO, this paper proposes a kind of PSO with adaptive parameters and boundary constraints. Inertia weight and learning factors increase or decrease linearly with iterative process, in order that the particles search the global space in early period of the algorithm and converge towards the global optimum later. At the same time, the author sets particle boundary constraints to ensure the optimization accuracy. Theoretical analysis and numerical simulation results show the efficiency and high optimization accuracy of the designed method.

Cite This Paper

Hui Niu,Yongshou Dai,Xing Peng,"Particle Swarm Optimization With Adaptive Parameters and Boundary Constraints", IJEM, vol.2, no.4, pp.19-28, 2012. DOI: 10.5815/ijem.2012.04.03

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