An improved particle swarm optimization algorithm for radial basis function neural network

  • Authors:
  • Duan Qichang;Zhao Min;Duan Pan

  • Affiliations:
  • College of Automation, Chong qing University, Chongqing;College of Automation, Chong qing University, Chongqing;College of Electrical Engineering, Chong qing University, Chongqing

  • Venue:
  • CCDC'09 Proceedings of the 21st annual international conference on Chinese control and decision conference
  • Year:
  • 2009

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Abstract

An improved particle swarm optimization (IMPSO) which synthesizes the existing models of constriction factor approach (CF A PSO) is proposed. In the proposed method, an adaptive algorithm based on the search space adjustable is applied to solve the problem that conventional particle swarm optimization (PSO) algorithm easily falls into local optimal and occur premature convergence. Then, the IMPSO is used to optimize the parameters of RBF neural network. The new training algorithm is used to approximate polynomial function and predict chaotic time series, compared with PSO, and CF A PSO, the algorithm speed up the speed of convergence, and has much greater accuracy.