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Improved Particle Swarm Optimization with Wavelet-Based Mutation Operation

  • Yubo Tian
  • Donghui Gao
  • Xiaolong Li
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7331)

Abstract

An improved wavelet-based mutation particle swarm optimization (IWMPSO) algorithm is proposed in this paper in order to overcome the classic PSO’s drawbacks such as the premature convergence and the low convergence speed. The IWMPSO introduces a wavelet-based mutation operator first and then the mutated particle replaces a selected particle with a small probability. The numerical experimental results on benchmark test functions show that the performance of the IWMPSO algorithm is superior to that of the other PSOs in references in terms of the convergence precision, convergence rate and stability. Moreover, a pattern synthesis of linear antennas array is implemented successfully using the algorithm. It further demonstrates the effectiveness of the IWMPSO algorithm.

Keywords

particle swarm optimization wavelet mutation synthesis 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Yubo Tian
    • 1
  • Donghui Gao
    • 1
  • Xiaolong Li
    • 1
  1. 1.School of Electronics and InformationJiangsu University of Science and TechnologyZhenjiangChina

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