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Received:May 20, 2004Revised:August 02, 2004 |
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Delay-dependent guaranteed cost control for uncertain systems with both state and input delays |
Xuanfang YANG ,Wuhua CHEN, Huajing FANG |
(Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan Hubei 430074, China; College of Mathematics and Information Science, GuangxiUniversity, Nanning Guangxi 530004, China) |
Abstract: |
This paper considers the guaranteed cost control problem for a class of uncertain linear systems with both state and input delays. By representing the time-delay system in the descriptor system form and using a recent result on bounding of cross products of vectors, we obtain new delay-dependent sufficient conditions for the existence of the guaranteed cost controller in terms of linear matrix inequalities. Two examples are presented which show the effectiveness of our approach. |
Key words: Guaranteed cost control Time-delay systems Delay-dependent criterion linear matrix inequality |