Universal adaptive control for uncertain nonlinear systems via output feedback

被引：55
|
作者：
Zhai, Junyong [1 ]
Karimi, Hamid Reza [2 ]
机构：
[1] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China
[2] Politecn Milan, Dept Mech Engn, I-20156 Milan, Italy
来源：
INFORMATION SCIENCES | 2019年 / 500卷
基金：
中国国家自然科学基金;
关键词：
Adding one power integrator; Nonlinear systems; Universal adaptive control; STABILIZATION; ORDER;
D O I：
10.1016/j.ins.2019.05.087
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 universal adaptive control problem for a class of uncertain nonlinear systems is solved by the output feedback control approach. Firstly, a homogenous high-gain observer is proposed to estimate the system states based on the homogenous theory. Then, by using adding one power integrator method, a homogeneous controller is designed. It can be shown that all signals of the whole system are bounded and at the same time the system states globally asymptotically converge to the origin. In the end, we extend the proposed method to a class of upper-triangular nonlinear systems. Two examples are provided to illustrate the effectiveness of the proposed method. (C) 2019 Elsevier Inc. All rights reserved.
引用
收藏
页码：140 / 155
页数：16
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