Parameter Selection and Performance Analysis of Linear Disturbance Observer Based Control for a Class of Nonlinear Uncertain Systems

被引：13
作者：
Chen, Sen [1 ]
Chen, Zhixiang [2 ]
Zhao, Zhi-Liang [1 ]
机构：
[1] Shaanxi Normal Univ, Sch Math & Stat, Xian 710062, Peoples R China
[2] Rocket Force Sergeant Acad, Dept Missile Launching & Power, Weifang 262500, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2023年 / 70卷 / 11期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Disturbance observer based control; parameter selection; transient performance; uncertain systems; MOTION CONTROL; DESIGN; STABILITY;
D O I：
10.1109/TIE.2021.3062274
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 article presents a principle of selecting the parameters in linear disturbance observer based control (LDOBC). Via designing the numerator of Q-filter based on the presented principle, a class of optimal parameterized LDOBCs are proposed, which is featured with stronger robustness to uncertainties. Based on a new realization of proposed LDOBC and Lyapunov method, this article rigorously investigates the closed-loop transient performance under a wide class of nonlinear uncertainties described in time domain. Moreover, the relationship between the control parameters and the bounds of tracking and estimating errors is explicitly shown, which illuminates the highly consistent closed-loop performance of the presented LDOBC.
引用
收藏
页码：11587 / 11597
页数：11
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