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		Shanbin LI,Youxian SUN.[en_title][J].Control Theory and Technology,2005,3(3):241~246.[Copy]

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ShanbinLI,YouxianSUN
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Received:November 03, 2004Revised:June 06, 2005

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New approach to stochastic stability and controller design for networked control systems

Shanbin LI, Youxian SUN

(National Laboratory of Industrial Control Technology,Institute of Modern Control Engineering,Zhejiang University, Hangzhou Zhejiang 310027,China)

Abstract:

This paper addresses the random time-delays and packet losses issues of networked control systems (NCS) within the framework of jump linear systems with mode-dependent time-delays.A new delay-dependent condition on the stochastic stability is proposed by a new stochastic Lyapunov-Krasovskii functional.The condition is formulated as a set of coupled linear matrix inequalities (LMIs).As an example to verify the proposed method,an inverted-pendulum system with network is considered.The simulation results demonstrate the effectiveness of the method.

Key words: Networked control systems Time_delays Packet losses Jump linear system Lyapunov_Krasovskii functional