Nonlinear control of a large-gap 2-DOF magnetic bearing system based on a coupled force model

被引：13
|
作者：
de Queiroz, MS [1 ]
Dawson, DM [1 ]
Suri, A [1 ]
机构：
[1] Clemson Univ, Dept Elect & Comp Engn, Clemson, SC 29634 USA
来源：
IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS | 1998年 / 145卷 / 03期
关键词：
coupled force model; magnetic bearing system; controller; commutation strategy; position tracking; simulation;
D O I：
10.1049/ip-cta:19981673
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 nonlinear coupled force model is used for a large-gap, two degree-of-freedom (2-DOF) active magnetic bearing system, to develop a nonlinear backstepping-type controller for the full-order electromechanical system. The force coupled model mandates the design of a new commutation strategy to ensure that the desired force is applied to the rotor. The controller requires measurement of the rotor position, rotor velocity, and stator current, and achieves global exponential rotor position tracking. Simulations are provided to illustrate the performance of the controller.
引用
收藏
页码：269 / 276
页数：8
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