Adaptive output feedback regulation for a class of uncertain nonlinear systems

被引：13
|
作者：
Yu, Weiyong [1 ]
Liu, Shutang [1 ]
Zhang, Fangfang [1 ]
机构：
[1] Shangdong Univ, Sch Control Sci & Engn, Jinan 250061, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2015年 / 25卷 / 14期
基金：
中国国家自然科学基金;
关键词：
adaptive control; feedforward systems; dynamic gain observer; output feedback; uncertain nonlinear systems; ISS APPENDED DYNAMICS; HIGH-GAIN; STABILIZATION;
D O I：
10.1002/rnc.3192
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the problem of global state regulation by output feedback is investigated for a class of uncertain nonlinear systems satisfying some relaxed upper-triangular-type condition. Using a linear dynamic gain observer with two dynamic gains and introducing two appropriate change of coordinates, we give a constructive design procedure for the linear-like output feedback stabilizing controller. It is proved that the proposed controller globally regulates all the states of the uncertain system and maintains global boundedness of the closed-loop system. An example is provided to demonstrate the effectiveness of the proposed design scheme. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：2241 / 2253
页数：13
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