Optimal H<sub>∞</sub> Control for a Class of Networked Control System with Uncertain Time-delay

QIU Zhan-zhi; ZHANG Qing-ling

Volume 35 Issue 1

Feb. 2006

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INFORMATION AND CONTROL > 2006 > 35(1): 64-72.

QIU Zhan-zhi, ZHANG Qing-ling. Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay[J]. INFORMATION AND CONTROL, 2006, 35(1): 64-72.

Citation:

QIU Zhan-zhi, ZHANG Qing-ling. Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay[J]. INFORMATION AND CONTROL, 2006, 35(1): 64-72.

Citation:

QIU Zhan-zhi, ZHANG Qing-ling. Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay[J]. INFORMATION AND CONTROL, 2006, 35(1): 64-72.

Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay

Institute of Systems Science, Northeastern University, Shenyang 110004, China

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Received Date: August 10, 2005
Published Date: February 19, 2006

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Abstract

This paper studies the optimal H_∞ control problem for a class of networked control system(NCS) with uncertain time-delay.For the networked control systems with clock-driven sensors and event-driven actuators and controllers,supposing that the time-delay is uncertain and not more than one sampling period and the external disturbance is limited,the sufficient and necessary condition of the existence of suboptimal H_∞ control law for dynamical output feedback is derived by using Lyapunov theory and linear matrix inequality formulation,and optimal H_∞ control law design methods for dynamical output feedback are presented.A numerical simulation example with Matlab shows that the analysis method and the results are valid and feasible.

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Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay

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Optimal H_∞ Control for a Class of Networked Control System with Uncertain Time-delay