Discrete fuzzy covariance control for specified decay rate

  • Authors:
  • W.-J. Chang;C.-C. Shing

  • Affiliations:
  • Department of Marine Engineering, National Taiwan Ocean University, Keelung, Taiwan, Republic of China;Institute of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan, Republic of China

  • Venue:
  • International Journal of Systems Science
  • Year:
  • 2005

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Abstract

This paper addresses the covariance control problem with decay rate for a class of nonlinear discrete stochastic systems using the Takagi-Sugeno (T-S) fuzzy models. A methodology is developed to find the discrete fuzzy controllers for achieving individual state variance constraints of discrete T-S fuzzy stochastic models. The approach developed in this paper is based on the concept of parallel distributed compensation (PDC) and covariance control. For each rule of the discrete T-S fuzzy model, it shows how to parameterize the static linear state feedback control gains to achieve a common covariance matrix and decay rate for each subsystem. Finally, a numerical example is provided to verify the effects of the proposed design method.