Robust stability of stochastic Markovian switching delay systems

  • Authors:
  • Yun Chen;Liang Chen;Anke Xue;Xiaodong Zhao

  • Affiliations:
  • Institute of Operational Research and Cybernetics, Hangzhou Dianzi University, Hangzhou and Institute of Information and Control, Hangzhou Dianzi University, Hangzhou;Zhejiang SUPCON Technology Co., Ltd., Hangzhou;Institute of Information and Control, Hangzhou Dianzi University, Hangzhou;Institute of Information and Control, Hangzhou Dianzi University, Hangzhou

  • Venue:
  • CCDC'09 Proceedings of the 21st annual international conference on Chinese control and decision conference
  • Year:
  • 2009

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Abstract

This paper investigates robust asymptotic mean-square stability for uncertain stochastic delay systems with Markovian switching. Two types of parametric uncertainties are considered, i.e. Lipschitz nonlinear uncertainties and norm-bounded uncertainties. Based on introducing an auxiliary vector, an integral inequality in stochastic context is obtained. By this stochastic integral inequality, delay-dependent stochastic stability conditions for uncertain stochastic Markovian delay systems are developed. The results are derived by employing Lyapunov-Krasovskii method and presented in terms of linear matrix inequalities (LMIs). A numerical example and computational complexity analysis are provided to show the advantage of the method.