Disturbance observer-based fixed-time control for nonlinear systems with multiple disturbances

被引：1
|
作者：
Gao, Fei [1 ]
Wei, Xinjiang [1 ]
Zhang, Huifeng [1 ]
Hu, Xin [1 ]
机构：
[1] Ludong Univ, Sch Math & Stat Sci, Yantai 264025, Peoples R China
来源：
TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL | 2023年 / 45卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Nonlinear system; multiple disturbances; adaptive nonlinear disturbance observer; H8; control; fixed-time control; SYNCHRONIZATION CONTROL; STABILIZATION; REJECTION; STABILITY; DESIGN;
D O I：
10.1177/01423312231167462
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The fixed-time control is researched for the nonlinear system subject to multiple disturbances, which contain an external disturbance with unknown frequency and an unknown bounded disturbance. An adaptive nonlinear disturbance observer is devised to estimate the unknown frequency disturbance generated by an exogenous system. On this foundation, a composite fixed-time control scheme is proposed by combining the H (8) control and the fixed-time theory. It guarantees that the expected control performances of system can be achieved under the existence of multiple disturbances. Eventually, the validity of the control scheme is proved via simulation examples.
引用
收藏
页码：3224 / 3237
页数：14
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