Quantum-Behaved Particle Swarm Optimization with Chaotic Search

  • Authors:
  • Kaiqiao Yang;Hirosato Nomura

  • Affiliations:
  • -;-

  • Venue:
  • IEICE - Transactions on Information and Systems
  • Year:
  • 2008

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Abstract

The chaotic search is introduced into Quantum-behaved Particle Swarm Optimization (QPSO) to increase the diversity of the swarm in the latter period of the search, so as to help the system escape from local optima. Taking full advantages of the characteristics of ergodicity and randomicity of chaotic variables, the chaotic search is carried out in the neighborhoods of the particles which are trapped into local optima. The experimental results on test functions show that QPSO with chaotic search outperforms the Particle Swarm Optimization (PSO) and QPSO.