Improved robust stabilization method for linear systems with interval time-varying input delays by using Wirtinger inequality

被引:41
作者
Liu, Yuzhi [1 ,2 ]
Li, Muguo [2 ]
机构
[1] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dalian 116023, Peoples R China
[2] Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116023, Peoples R China
关键词
Time-varying delay; Wirtinger inequality; Delay-partitioning approach; Lyapunov-Krasovskii functional (LKF); Linear matrix inequality (LMI); UNCERTAIN SYSTEMS; STABILITY-CRITERIA; DEPENDENT STABILITY; DECOMPOSITION APPROACH; OUTPUT-FEEDBACK;
D O I
10.1016/j.isatra.2014.12.008
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the robust stabilization problem for uncertain linear systems with interval time-varying delays. By constructing novel Lyapunov-Krasovskii functionals and developing delay-partitioning approaches, some delay-dependent stability criteria are derived based on an improved Wirtinger's inequality and the reciprocally convex method. The proposed methods have improved the stability conditions without increasing much computational complexity. A state feedback controller design approach is also presented based on the proposed criteria. Numerical examples are finally given to illustrate the effectiveness of the proposed method. (C) 2015 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:111 / 122
页数:12
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