两种无位置传感器联合驱动表面永磁同步电机的全转速范围驱动

2014 IEEE 5th International Symposium on Sensorless Control for Electrical Drives Pub Date : 2014-05-17 DOI:10.1109/SLED.2014.6844972

Y. Iwaji, R. Takahata, Takahiro Suzuki, M. Hano

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引用次数: 7

摘要

提出了一种适用于表面永磁同步电动机各转速区域的无位置传感器方法。在该方法中，两种无传感器方法根据转速进行切换。在低速区域，采用基于磁饱和(IVMS)的方法产生感应电压。该方法在中高速下切换为基于反电动势的正弦电流方法。一些控制块通常用于这两种方法。因此，可以顺利、快速地切换方法。介绍了其基本思想和实验结果。

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All-speed-range drive for surface permanent magnet synchronous motors by combined use of two position sensorless methods

A new position sensorless method is proposed for surface permanent magnet synchronous motors in all speed regions. In this method, two sensorless methods are switched in accordance with the rotating speed. In low speed regions, an Induced Voltage caused by a Magnetic Saturation (IVMS) based method is used. This method is switched to a back EMF based sinusoidal current method at a medium or high speed. Some control blocks are commonly used for both methods. Therefore, the methods can be switched smoothly and rapidly. The basic idea and the experimental results are described.

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2014 IEEE 5th International Symposium on Sensorless Control for Electrical Drives

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