Disturbance observer-based control for a class of strict-feedback nonlinear systems with derivative-bounded disturbances

被引：8
|
作者：
Zhang, Huifeng [1 ]
Wei, Xinjiang [1 ]
Zhang, Lingyan [1 ]
Han, Jian [1 ]
机构：
[1] Ludong Univ, Sch Math & Stat Sci, Yantai, Peoples R China
来源：
TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL | 2020年 / 42卷 / 14期
基金：
美国国家科学基金会;
关键词：
Strict-feedback nonlinear systems; bounded disturbance; nonlinear disturbance observer; anti-disturbance control; disturbance observer-based control (DOBC); SLIDING MODE CONTROL; H-INFINITY CONTROL; ADAPTIVE-CONTROL; TRACKING CONTROL; CONTROL SCHEME; REJECTION; DESIGN; ATTENUATION; DOBC;
D O I：
10.1177/0142331220922464
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An anti-disturbance control problem is investigated in this paper. The disturbance observer plus back-stepping (DOPBS) control scheme is proposed for a class of strict-feedback nonlinear systems with derivative-bounded disturbances. A nonlinear disturbance observer is designed to estimate the derivative-bounded disturbances. By combining the disturbance observer with back-stepping method, the DOPBS controller is designed to reject and attenuate the disturbances. Stability analysis proves that all the signals in the the closed-loop system are uniformly ultimately bounded (UUB). Finally, simulation examples demonstrate the feasibility and effectiveness of the proposed approach compared with existing methods.
引用
收藏
页码：2601 / 2610
页数：10
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