GLOBAL STABILIZATION OF NONLINEAR-SYSTEMS WITH A CLASS OF UNMATCHED UNCERTAINTIES

被引:78
作者
QU, ZH [1 ]
机构
[1] UNIV CENT FLORIDA,DEPT ELECT ENGN,ORLANDO,FL 32816
关键词
ROBUST CONTROL; UNCERTAIN SYSTEMS; LYAPUNOV STABILITY; UNMATCHED UNCERTAINTIES;
D O I
10.1016/0167-6911(92)90060-6
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Global and asymptotic stabilization of uncertain dynamical systems which violate the matching conditions is investigated. A class of unmatched uncertainties, called equivalently matched uncertainties, is defined. A robust controller is proposed to stabilize the uncertain system asymptotically in the large provided that the nominal system is uniformly asymptotically stable and that the unmatched uncertainties are equivalently matched. The required information about uncertain dynamics in the system is merely that the uncertainties are bounded in Euclidean norm by known functions of the system state.
引用
收藏
页码:301 / 307
页数:7
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