On disturbance rejection in magnetic levitation

被引：112
作者：
Wei, Wei [1 ]
Xue, Wenchao [2 ,3 ]
Li, Donghai [4 ]
机构：
[1] Beijing Technol & Business Univ, Sch Comp & Informat Engn, Beijing Key Lab Big Data Technol Food Safety, Beijing 100048, Peoples R China
[2] Chinese Acad Sci, Acad Math & Syst Sci, NCMIS, LSC, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China
[4] Tsinghua Univ, Dept Thermal Engn, Beijing 10084, Peoples R China
来源：
CONTROL ENGINEERING PRACTICE | 2019年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Magnetic levitation system; Open-loop instability; Time-varying extended state observer; Sensor noise attenuation; FEEDBACK LINEARIZATION; PREDICTIVE CONTROL; DESIGN; SYSTEM;
D O I：
10.1016/j.conengprac.2018.09.018
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Magnetic levitation systems belong to an important and challenging class of control engineering problems with nonlinear uncertain dynamics, multiple disturbances and large sensor noise. To obtain a simple and practical solution that does not depends on the exact model information, a time-varying active disturbance rejection solution is proposed and validated in both numerical and experimental results. The proposed method is confirmed with rigorous analysis of transient performance and noise attenuation. Moreover, the proposed solution is tested in a magnetic levitation ball system with disturbances and measurement noise. The results show that the proposed solution is effective and practical.
引用
收藏
页码：24 / 35
页数：12
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