Robust non-linear output-feedback control of a magnetic levitation system by K-filter approach

被引：19

作者：

Yang, Z. -J. ^{[1
]}

Fukushima, Y. ^{[2
]}

Kanae, S. ^{[3
]}

Wada, K. ^{[2
]}

机构：

[1] Ibaraki Univ, Coll Engn, Dept Intelligent Syst Engn, Hitachi, Ibaraki 3168511, Japan

[2] Kyushu Univ, Dept Elect & Elect Syst Engn, Grad Sch Informat Sci & Elect Engn, Nishi Ku, Fukuoka 8128581, Japan

[3] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Dept Elect Elect & Comp Engn, Nishi Ku, Fukuoka 8190395, Japan

来源：

IET CONTROL THEORY AND APPLICATIONS | 2009年 / 3卷 / 07期

关键词：

DISTURBANCE-OBSERVER; ADAPTIVE-CONTROL; SLIDING-MODE; BEARING SYSTEMS; MOTION CONTROL; MANIPULATORS; DESIGN;

D O I：

10.1049/iet-cta.2008.0253

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A robust non-linear output-feedback controller by the K-filter approach is proposed for position-tracking problem of a magnetic levitation system, where only the position measurement is available for control. Instead of the popular adaptive control techniques, a disturbance observer (DOB) is merged into the K-filter-based output-feedback controller to compensate the external disturbance and model mismatch, so that a much simpler controller is constructed. Rigorous stability of the non-linear control system is established. Experimental results are included to show the excellent performance of the designed controller.

引用

页码：852 / 864

页数：13

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