Robustness of fuzzy logic control for an uncertain dynamic system

  • Authors:
  • Soo Yeong Yi;Myung Jin Chung

  • Affiliations:
  • Div. of Mech./Control Syst., Korea Inst. of Sci. & Technol., Seoul;-

  • Venue:
  • IEEE Transactions on Fuzzy Systems
  • Year:
  • 1998

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Abstract

Based on the similarity between prevalent fuzzy logic controllers (FLC) and the conventional robust controller, i.e., the variable structure controller, control theoretic analysis of a fuzzy control system is presented in the sense of Lyapunov. As well as the robustness of the fuzzy control system against uncertainties of a controlled process, this analysis gives an account of the relationship between control performance and the design parameters of the FLC, which has been obscure in the theory of fuzzy control