Stable and robust fuzzy control for uncertain nonlinear systems

  • Authors:
  • H. K. Lam;F. H.F. Leung;P. K.S. Tam

  • Affiliations:
  • Dept. of Electron. & Inf. Eng., Hong Kong Polytech., Kowloon;-;-

  • Venue:
  • IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
  • Year:
  • 2000

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Abstract

Presents the stability and robustness analysis for multivariable fuzzy control systems subject to parameter uncertainties based on a single-grid-point (SGP) approach. To perform the analysis, we represent a multivariable nonlinear system using a TS-fuzzy plant model. Three design approaches of fuzzy controllers are introduced to close the feedback loop. By estimating the matrix measures of the system parameters and parameter uncertainties, stability and robustness conditions for different cases are derived. Application examples are given to show the design procedures and the merits of the proposed fuzzy controller