Suboptimal robust controller design for networked control systems with nonlinear perturbation

Authors:
Yi-Fu Feng;Qing-Ling Zhang
Affiliations:
College of mathematics, Jilin normal University, Siping, Jilin, China;College of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China
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 suboptimal robust controller design of discrete-time networked control systems (NCSs) with nonlinear perturbation. In terms of the given model, a suboptimal robust controller design method is proposed based on linear matrix inequalities (LMIs) approach. Suboptimal maximal allowable perturbation degree and the minimal feedback gain of a memoryless controller are derived by solving a set of LMIs based on Lyapunov functional method. The simulation results illustrate the effectiveness of the proposed method.