An Overview and Development Trend of Bearingless Permanent Magnet Synchronous Motors

Abstract

Abstract:

The generation principles of radial suspension forces of BPMSMs were introduced firstly. Then, the key technologies of BPMSMs were also overviewed, including the motor topology, mathematical model, and control strategy. Finally, in accordance with the current issues of the BPMSM technology, several possible development trends of the BPMSM technology were discussed as well.

Key words: bearingless permanent magnet synchronous motor(BPMSM), motor structure, mathematical model, control technique, development trend

摘要：

阐述了无轴承永磁同步电机径向悬浮力的产生原理,综述了无轴承永磁同步电机的关键技术,对无轴承永磁同步电机的几种典型结构、数学模型及无轴承永磁同步电机的控制技术进行了详细分析。针对目前无轴承永磁同步电机的研究现状和不足之处,探讨了无轴承永磁同步电机技术的研究方向和发展趋势。

关键词: 无轴承永磁同步电机, 电机结构, 数学模型, 控制技术, 发展趋势

CLC Number:

TM341
TM351

SUN Xiao-Dong, SHU Huang-Qiu, YANG Ze-Bin. An Overview and Development Trend of Bearingless Permanent Magnet Synchronous Motors[J]. China Mechanical Engineering, 2012, 23(17): 2128-2135.

孙晓东, 朱熀秋, 杨泽斌. 无轴承永磁同步电机技术综述及其发展趋势探讨[J]. 中国机械工程, 2012, 23(17): 2128-2135.

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