On the stability issues for fuzzy large-scale systems

  • Authors:
  • Iman Zamani;Nasser Sadati;Mohammad Hadad Zarif

  • Affiliations:
  • Department of Electrical Engineering, Shahrood University of Technology, Shahrood, Iran and Department of Electrical, The University of Shiraz, Shiraz, Iran;Electrical and Computer Engineering Department, The University of British Columbia, Vancouver, BC, Canada V6T 1Z4 and Electrical Engineering Department, Sharif University of Technology, Tehran, Ir ...;Department of Electrical Engineering, Shahrood University of Technology, Shahrood, Iran

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2011

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Abstract

The main objective of this paper is to investigate the stability and stabilization problem of fuzzy large-scale systems in which the system is composed of a number of Takagi-Sugeno fuzzy subsystems with interconnection. Instead of fuzzy parallel distributed compensation (PDC) design, nonlinear state feedback controllers are used in stabilization of the overall large-scale system. Based on Lyapunov stability theory, linear matrix inequalities (LMIs) conditions are derived for asymptotic and exponential stability. Two numerical examples are given to confirm the analytical results and illustrate the effectiveness of the proposed strategy.