Feedback linearization and fuzzy control for conical magnetic bearings

被引：42

作者：

Lin, LC

Gau, TB

机构：

[1] Department of Mechanical Engineering, National Chung-Hsing University, Taichung

来源：

IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 1997年 / 5卷 / 04期

关键词：

composite control; feedback linearization; fuzzy control; magnetic bearing; modeling; and control;

D O I：

10.1109/87.595923

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Conical magnetic bearings with radial and thrust (axial) control using the input-output feedback linearization method are considered. By suitable selection of nine output variables, the nonlinear magnetic bearing system is transformed to nine linear decoupled subsystems with no internal dynamics using feedback linearization control. Furthermore, a hybrid approach integrating feedback linearization and fuzzy control is proposed for improving the transient performance and robustness of the nonlinear magnetic bearings, Computer simulations are shown to illustrate the effectiveness of the proposed control strategy for simultaneous rotor-shaft speed tracking control and gap deviations regulation.

引用

页码：417 / 426

页数：10

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