Using an efficient immune symbiotic evolution learning for compensatory neuro-fuzzy controller

  • Authors:
  • Cheng-Hung Chen;Cheng-Jian Lin;Chin-Teng Lin

  • Affiliations:
  • Department of Electrical and Control Engineering, National Chiao-Tung University, Hsinchu, Taiwan, R.O.C;Department of Computer Science and Information Engineering, National Chin-Yi University of Technology, Taichung County, Taiwan, R.O.C;Department of Computer Science, National Chiao-Tung University and Department of Electrical and Control Engineering, National Chiao-Tung University and Brain Research Center, University System of ...

  • Venue:
  • IEEE Transactions on Fuzzy Systems
  • Year:
  • 2009

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Abstract

This paper presents an efficient immune symbiotic evolution learning (ISEL) algorithm for the compensatory neurofuzzy controller (CNFC). The proposed ISEL method includes three major components--initial population, subgroup symbiotic evolution, and immune system algorithm. First, the self-clustering algorithm that determines proper input space partitioning and finds the mean and variance of the Gaussian membership functions and number of rules is applied to the initial population. Second, the subgroup symbiotic evolution method that uses each subantibody represents a single fuzzy rule and the evolution of the rule itself. Third, the immune system algorithm uses the clonal selection principle, such that antibodies between others of high similar degree are canceled, and these antibodies, after processing, will have higher quality, accelerating the search, and increasing the global search capacity. Finally, the proposed CNFC with ISEL (CNFC-ISEL) method is adopted to solve several nonlinear control problems. The simulation results have shown that the proposed CNFC-ISEL can outperform other methods.