Design of a robust current controller to position estimation error for positioning of a sensorless control of interior permanent magnet synchronous motors under high-speed drives

被引:4
|
作者
Hasegawa, Masaru [1 ]
Matsui, Keiju [1 ]
机构
[1] Chubu Univ, Dept Elect Engn, Aichi 4878501, Japan
关键词
interior permanent synchronous motor; position sensorless control; current controller; high-speed drives; robust;
D O I
10.1002/tee.20313
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The article proposes a new current controller for high-speed drives in interior permanent magnet synchronous motors (IPMSMs) with position sensorless control. It has been pointed out that the conventional current control systems become unstable current control, and this instability is especially emphasized at high speed. To overcome this instability, this article proposes a simple modified controller with 2DOF structure, the design of which is also explained. Stability, using the proposed current controller, is then analyzed theroetically, and the proposed controller can extend the stable region for IPMSM position sensorless control, which is an improvement over conventional systems. (c) 2008 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
引用
收藏
页码:560 / 568
页数:9
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