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		Jinzhong CUI,Jiuwen CAO,Shouming ZHONG,Yuanyuan HU.[en_title][J].Control Theory and Technology,2009,7(2):192~.[Copy]

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JinzhongCUI,JiuwenCAO,ShoumingZHONG,YuanyuanHU
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Received:June 08, 2007Revised:May 13, 2008

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Robust stability for uncertain neutral systems with mixed time-varying delays

Jinzhong CUI, Jiuwen CAO, Shouming ZHONG, Yuanyuan HU

(College of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu Sichuan 610054, China; College of Applied Mathematics, University of Electronic Science and Technology of China, Chengdu Sichuan 610054, China)

Abstract:

The robust stability of uncertain neutral systems with mixed time-varying delays is investigated in this paper. The uncertainties under consideration are norm-bounded and time-varying. Based on the Lyapunov stability theory, a delay-dependent stability criterion is derived and given in the form of a linear matrix inequality (LMI). Finally, a numerical example is given to illustrate significant improvement over some existing results.

Key words: Robust stability Neutral systems Lyapunov-Krasovskii functionals LMI control tool-box