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		Zhijun LI,Dehui SUN,Yuntao SHI,Lifeng WANG.[en_title][J].Control Theory and Technology,2009,7(3):281~284.[Copy]

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ZhijunLI,DehuiSUN,YuntaoSHI,LifengWANG
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Received:September 26, 2007Revised:July 14, 2008

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A stabilizing model predictive control for networked control system with data packet dropout

Zhijun LI, Dehui SUN, Yuntao SHI, Lifeng WANG

(Department of Automation, North China University of Technology, Beijing 100044, China)

Abstract:

A constrained model predictive control (MPC) algorithm for networked control system with data packet dropout is proposed in this paper. A buffer is designed to store the predicted control sequence between controller and actuator. It is shown that if the control horizon of MPC is not less than the number of data packets lost continuously, feasibility of MPC at initial time implies asymptotical stability of the closed-loop system. A simulation example illustrates the effectiveness of the proposed approach.

Key words: Networked control system Model predictive control Stability