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Robust H-infinity filtering for uncertain discrete-time systems using parameter-dependent Lyapunov functions 被引量：3

Robust H-infinity filtering for uncertain discrete-time systems using parameter-dependent Lyapunov functions
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摘要 This paper deals with H-infinity filtering of discrete-time systems with polytopic uncertainties. The un- certain parameters are supposed to reside in a polytope. By using the parameter-dependent Lyapunov function approach and introducing some slack matrix variables, a new sufficient condition for the H-infinity filter design is presented in terms of solutions to a set of linear matrix inequalities （LMIs）. In contrast to the existing results for H-infinity filter design, the main advantage of the proposed design method is the reduced conservativeness. An example is provided to demonstrate the effectiveness of the proposed method. This paper deals with H-infinity filtering of discrete-time systems with polytopic uncertainties. The un- certain parameters are supposed to reside in a polytope. By using the parameter-dependent Lyapunov function approach and introducing some slack matrix variables, a new sufficient condition for the H-infinity filter design is presented in terms of solutions to a set of linear matrix inequalities （LMIs）. In contrast to the existing results for H-infinity filter design, the main advantage of the proposed design method is the reduced conservativeness. An example is provided to demonstrate the effectiveness of the proposed method.
作者 Xiaoheng CHANG Guanghong YANG
机构地区 College of Engineering Key Laboratory of Integrated Automation for the Process Industry
出处 《控制理论与应用（英文版）》 EI CSCD 2013年第1期122-127,共6页
基金 supported by the Scientific Research Program for the Education Department of Liaoning Province of China (No.2008017) the Postdoctoral Science Foundation of China (No. 20090451275) the Funds of National Science of China (No. 61104071)
关键词 Discrete-time systems H-infinity filtering Parameter-dependent Lyapunov function Linear matrix in- equalities （LMIs） Discrete-time systems H-infinity filtering Parameter-dependent Lyapunov function Linear matrix in- equalities （LMIs）
分类号 TP13 [自动化与计算机技术—控制理论与控制工程]
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共引文献7

同被引文献18

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控制理论与应用（英文版）
2013年 第1期

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