Global finite-time stabilization of a class of uncertain nonlinear systems

被引:1291
作者
Huang, XQ [1 ]
Lin, W [1 ]
Yang, B [1 ]
机构
[1] Case Western Reserve Univ, Dept Elect Engn & Comp Sci, Cleveland, OH 44106 USA
基金
美国国家科学基金会; 日本学术振兴会;
关键词
global stabilization; finite-time convergence; Holder continuous state feedback; Lyapunov stability; uncertain nonlinear systems;
D O I
10.1016/j.automatica.2004.11.036
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 [计算机科学与技术];
摘要
This paper studies the problem of finite-time stabilization for nonlinear systems. We prove that global finite-time stabilizability of uncertain nonlinear systems that are dominated by a lower-triangular system can be achieved by Holder continuous state feedback. The proof is based on the finite-time Lyapunov stability theorem and the nonsmooth feedback design method developed recently for the control of inherently nonlinear systems that cannot be dealt with by any smooth feedback. A recursive design algorithm is developed for the construction of a Holder continuous, global finite-time stabilizer as well as a C(1) positive definite and proper Lyapunov function that guarantees finite-time stability. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:881 / 888
页数:8
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