Robust H_∞ output feedback controller design for linear uncertain discrete-time switched systems via state reset
ZHAO Xu-dong, LING Ming-xiang, ZENG Qing-shuang, DU Jing-jing
Space Control and Inertial Technology Institute,Harbin Institute of Technology,Harbin 150001,China
Abstract:
This paper studies the problem of robust H∞ output feedback controller via state-reset for linear uncertain discrete-time switched systems. Using multiple Lyapunov functions,we address an output feedback controller under arbitrary switching signals,in which an H∞ performance is required. The condition is shown in the form of linear matrix inequalities (LMI). Finally,a numerical example shows the feasibility of the designed controller and illustrates that the new sufficient condition has lower conservation and more optimized H∞ tfperformance.
Key words: linear discrete-time switched systems state-reset H∞ performance low conversation multiple Lyapunov functions
DOI:10.11916/j.issn.1005-9113.2010.03.007
Clc Number:TP13
Fund:
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