Finite-time control for systems with multiple disturbances based on adaptive disturbance observer

被引：2

作者：

Zhang, Huifeng ^{[1
]}

Wei, Xinjiang ^{[1
,2
]}

Li, Xinqing ^{[1
]}

Hu, Xin ^{[1
]}

Han, Jian ^{[1
]}

机构：

[1] Ludong Univ, Sch Math & Stat Sci, Yantai, Peoples R China

[2] Ludong Univ, Sch Math & Stat Sci, Yantai 264025, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING | 2023年 / 237卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Multiple disturbances; adaptive disturbance observer; anti-disturbance control; finite-time stability; disturbance observer-based control; ROBUST STABILIZATION; MULTIAGENT SYSTEMS; UNKNOWN-PARAMETERS; NONLINEAR-SYSTEMS; TRACKING CONTROL; ATTENUATION; REJECTION; ACTUATOR;

D O I：

10.1177/09596518221150287

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

For a type of nonlinear systems with multiple disturbances, finite-time stability is researched in this paper. The disturbances include unknown frequency disturbance and unknown bounded disturbances. The unknown frequency disturbances are transformed into the model with unknown vectors by Sylvester matrix transformation, which is estimated by designing an adaptive disturbance observer. Then, a finite-time anti-disturbance controller is constructed to keep the system globally stable in finite time. Finally, the validity of the finite-time anti-disturbance controller is proved by simulations, including a numerical example and a satellite attitude control system.

引用

页码：965 / 974

页数：10

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