Parameters Selection and Optimization of Particle Swarm Optimization Algorithm Based on Molecular Force Model

Abstract:

Inspired by thermodynamics molecular system, the particle swarm optimization algorithm based on the molecular force model (MFMPSO) was proposed. Two parameters were introduced in the MFMPSO algorithm. In this paper, the orthogonal test design method is applied to optimize the parameter combinations of three levels and four factors, which include d_l and d_h, the population size and the iteration number. The experimental results prove that the population size and the iteration number have litter influence on the MFMPSO algorithm, however d_l and d_h play a key role and thus the MFMPSO algorithm has good search performance when d_l and d_h take the values respectively in a certain range which is related with the length of the longest diagonal in the search space.

• Periodical: Applied Mechanics and Materials (Volumes 333-335)
• Pages: 1370-1373
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.333-335.1370
• Online since: July 2013
• Authors: Hu Hao, Na Hu, Xing Xu, Wei Qin Ying
• Keywords: Molecular Force Model, Orthogonal Test Design, Particle Swarm Optimization (PSO)

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