Robust H2 control for uncertain sampled-data systems |
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Authors: | Xie Weinan Ma Guangcheng Li Qinghua Wang Changhong |
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Affiliation: | Space Control and Inertial Technology Research Center, Harbin Inst. of Technology, Harbin 150080, P. R. China |
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Abstract: | A new approach is proposed for robust H2 problem of uncertain sampled-data systems. Through introducing a free variable, a new Lyapunov asymptotical stability criterion with less conservativeness is established. Based on this criterion, some sufficient conditions on two classes of robust H2 problems for uncertain sampled-data control systems are presented through a set of coupled linear matrix inequalities, Finally, the less conservatism and potential of the developed results are illustrated via a numerical example. |
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Keywords: | sampled-data systems H2 performance uncertain systems LMI optimization. |
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