Observer based guaranteed cost control of networked control systems

Authors:
Hongyan Chu;Dong Yue;Shumin Fei;Chunmei Xia
Affiliations:
College of automation, Southeast University, Nanjing and School of electrical and automatic engineering, Nanjing normal university, Nanjing;School of electrical and automatic engineering, Nanjing normal university, Nanjing;College of automation, Southeast University, Nanjing;School of electrical and automatic engineering, Nanjing normal university, Nanjing
Venue:
CCDC'09 Proceedings of the 21st annual international conference on Chinese Control and Decision Conference
Year:
2009

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Abstract

This paper is concerned with the guaranteed cost controller design for a class of networked control systems (NCSs), a new guaranteed cost function-the observer based guaranteed cost function are designed. The asymptotical stability of the observer output error is proved. A sufficient condition for the existence of a guaranteed cost controller for NCSs is presented by a set of linear matrix inequalities(LMIs). Accordingly, through a numerical example, the upper bound of guaranteed cost and the corresponding controller gain K are solved. Theoretical analysis through an example shows the effectiveness of the method.