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		Mei LIU,Huanshui ZHANG,Guangren DUAN.[en_title][J].Control Theory and Technology,2006,4(2):121~127.[Copy]

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MeiLIU,HuanshuiZHANG,GuangrenDUAN
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Received:October 15, 2004Revised:February 26, 2006

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H-infinity measurement-feedback control for discrete-time systems with a single measurement delay

Mei LIU, Huanshui ZHANG, Guangren DUAN

(Center for Control Theory and Guidance Technology, Harbin Institute of Technology, Harbin Heilongjiang 150001, China ; Shenzhen Graduate School of Harbin Institute of Technology, Shenzhen University Town, Shenzhen Guangdong 518055, China)

Abstract:

H-infinity control problem for linear discrete-time systems with instantaneous and delayed measurements is studied. A necessary and sufficient condition for the existence of the H-infinity controller is derived by applying reorganized innovation analysis approach in Krein space. The measurement-feedback controller is designed by performing two Riccati equations. The presented approach does not require the state augmentation.

Key words: H-infinity control Delayed measurement Discrete-time systems