Delay‐dependent robust control design for uncertain multi‐time‐delayed linear systems

Chen Wei (School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing, People's Republic of China)
Xin Chang (Huawei Technologies Co., Ltd, Shenzhen, People's Republic of China)
Bingqian Wang (School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing, People's Republic of China)

International Journal of Intelligent Computing and Cybernetics

ISSN: 1756-378X

Publication date: 28 March 2008

Abstract

Purpose

The purpose of this paper is to present a robust control design method for uncertain multi‐time‐delay linear system.

Design/methodology/approach

Delay‐dependent stability conditions are given based on time‐dependent Lyapunov‐Krasovskii functional. By using the key technical lemma (Lemma 1) and the Schur Complement Lemma, the robust control design problem is transferred to the problem of solving several linear matrix inequalities, which can be easily realized by MATLAB Toolbox.

Findings

Delay‐dependent stability analysis and control design are less conservative than delay‐independent one, theoretically.

Originality/value

Both state delay and input delay are studied in this paper. Moreover, the uncertainties considered include not only parameter uncertainties, but also noise disturbance.

Keywords

Citation

Wei, C., Chang, X. and Wang, B. (2008), "Delay‐dependent robust control design for uncertain multi‐time‐delayed linear systems", International Journal of Intelligent Computing and Cybernetics, Vol. 1 No. 1, pp. 128-142. https://doi.org/10.1108/17563780810857167

Publisher

:

Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited

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