Adaptive Fuzzy Output Tracking Control of MIMO Nonlinear Uncertain Systems

  • Authors:
  • Bing Chen;Xiaoping Liu;Shaocheng Tong

  • Affiliations:
  • Inst. of Complexity Sci., Qingdao Univ.;-;-

  • Venue:
  • IEEE Transactions on Fuzzy Systems
  • Year:
  • 2007

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Abstract

In this paper, the adaptive fuzzy tracking control problem is discussed for a class of uncertain multiple-input-multiple-output (MIMO) nonlinear systems with the block-triangular structure. The fuzzy logic systems are used to approximate the unknown nonlinear functions. By using the backstepping technique, the adaptive fuzzy tracking control design scheme is developed, which has minimal learning parameterizations. The adaptive fuzzy tracking controllers guarantee that the outputs of systems converge to a small neighborhood of the reference signals and all the signals in the closed-loop system are semiglobally uniformly ultimately bounded. Two examples are used to show the effectiveness of the approach