Adaptive tracking controller design of nonlinear systems with time delays and unknown dead-zone input

被引：146
|
作者：
Hua, Chang-Chun [1 ,2 ]
Wang, Qing-Guo [3 ]
Guan, Xin-Ping [1 ,2 ]
机构：
[1] Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Automat, Shanghai 200240, Peoples R China
[3] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2008年 / 53卷 / 07期
基金：
中国国家自然科学基金;
关键词：
adaptive control; dead-zone input; Lyapunov functional; time-delay systems;
D O I：
10.1109/TAC.2008.928324
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 focuses on the tracking control problem for a class of nonlinear system with time delays and dead-zone input. The nonsymmetric dead-zone input case is considered without the knowledge of the dead zone parameters. The time delay uncertainties are bounded by a nonlinear function with unknown coefficients. By constructing a novel Lyapunov functional, we design a simple and smooth adaptive state feedback controller. It is shown that the solution of the resulting closed-loop error system converges to an adjustable region exponentially. Finally, numerical examples are included to show the effectiveness of the theoretical results.
引用
收藏
页码：1753 / 1759
页数：7
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