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Design and Application of Variable Universe Fuzzy Controller Based on Cat Swarm Optimization

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  • Haipeng Pan
  • Dongbin Jin

Abstract

A novel variable universe fuzzy controller based on cat swarm optimization (CSO-VUFC) is proposed to regulate the temperature of the reactor system, which is characterized by nonlinearity, large time delay, and uncertainty. In CSO-VUFC, firstly, corresponding contraction-expansion factors with the function form were, respectively, introduced for the input and output fuzzy universes of the controller. Then, cat swarm optimization was used to optimize the relevant parameter values in the contraction-expansion factor function to achieve the intelligence optimization of the contraction-expansion factors, based on the system performance test function as an evaluation index; the contradiction between the universe adjustment and control accuracy of the fuzzy controller will be effectively solved to achieve the online self-adjustment of the universe. The simulation results indicate that the variable universe adaptive fuzzy control method based on the cat swarm optimization has the features of high precision adjustment, short transient time, and hard real-time.

Suggested Citation

  • Haipeng Pan & Dongbin Jin, 2016. "Design and Application of Variable Universe Fuzzy Controller Based on Cat Swarm Optimization," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-6, March.
    • Handle: RePEc:hin:jnlmpe:4632064
    DOI: 10.1155/2016/4632064
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