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		Fuchun LIU,Yu YAO,Fenghua HE,Songlin CHEN.[en_title][J].Control Theory and Technology,2008,6(1):22~25.[Copy]

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FuchunLIU,YuYAO,FenghuaHE,SonglinCHEN
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Received:September 05, 2007

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Stability analysis of networked control systems with time-varying sampling periods

Fuchun LIU, Yu YAO, Fenghua HE, Songlin CHEN

(Control & Simulation Center, Harbin Institute of Technology, Harbin Heilongjiang 150080, China)

Abstract:

In this paper, we present an interval model of networked control systems with time-varying sampling periods and time-varying network-induced delays and discuss the problem of stability of networked control systems using Lyapunov stability theory. A sufficient stability condition is obtained by solving a set of linear matrix inequalities. In the end, the illustrative example demonstrates the correctness and effectiveness of the proposed approach.

Key words: Networked control systems (NCS) Time-varying sampling periods Network-induced delay Linear matrix inequality (LMI)