Oriented search algorithm for function optimization

  • Authors:
  • Xuexia Zhang;Weirong Chen

  • Affiliations:
  • School of Electrical and Engineering, Southwest Jiaotong University, Chengdu, China;School of Electrical and Engineering, Southwest Jiaotong University, Chengdu, China

  • Venue:
  • ICSI'11 Proceedings of the Second international conference on Advances in swarm intelligence - Volume Part I
  • Year:
  • 2011

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Abstract

A population-based algorithm, oriented search algorithm (OSA), is proposed to optimize functions in this paper. In OSA, the search-individual imitates human random search behavior, and the search-object simulates an intelligent agent that can transmit oriented information to search-individuals. OSA is tested on thirteen complex benchmark functions. The results are compared with those of particle swarm optimization with inertia weight (PSO-w), particle swarm optimization with constriction factor (PSO-cf) and comprehensive learning particle swarm optimizer (CLPSO). The results show that OSA is superior in convergence efficiency, search precision, convergence property and has the strong ability to escape from the local sub-optima.