Brief paper: Delay-dependent robust stability of uncertain fuzzy large-scale systems with time-varying delays

  • Authors:
  • Xingwen Liu;Hongbin Zhang

  • Affiliations:
  • Institute of Electrical and Information Engineering, Southwest University for Nationalities of China, Chengdu, Sichuan, 610041, PR China;Institute of Electronic Systems, College of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, PR China

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2008

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Abstract

This paper addresses the stability problem of fuzzy large-scale systems (FLSSs) with uncertainties and arbitrary time-varying delays. The stability conditions, which are less conservative and more applicable than the existing results, are derived by a novel Lyapunov-Krasovskii functional method and expressed in terms of linear matrix inequalities (LMIs). Two examples are given to demonstrate the correctness and advantage of our theoretical results.