Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (7): 1705-1709.

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Absolute stability analysis for the multi-input and multi-output networked control systems

DAI Jian-guo, CUI Bao-tong   

  1. School of Communications & Control Engineering, Jiangnan Univ., Wuxi 214122, China
  • Received:2007-12-11 Revised:2009-03-23 Online:2009-07-20 Published:2010-01-03

Abstract: This paper is concerned with the delay-dependent stability analysis for multiinput and multi-output(MIMO) networked control systems(NCSs) with network-induced delay and nonlinear feedback disturbance in network channels.The time-delay Lurie systems for every closed loop of the NCSs are established based on the bounded state-feedback input.Subsequently,the absolute stability criteria for the closed-loop system subject to sector-bounded condition are derived by use of Lyapunov functional method and linear matrix inequality(LMI) technique.Meanwhile,the maximum allowable delay bound for steadily running of the MIMO NCSs is also obtained.Finally,an illustrative example is provided to show the advantage and feasibility of the proposed method.

CLC Number: 

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