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Position sensorless control method at zero speed region for permanent magnet synchronous motors based on block commutation drive

机译:基于块换向驱动的永磁同步电动机零速区无位置控制方法

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A new position sensor-less method has been developed for permanent magnet synchronous motor (PMSM) drives in zero speed regions. This method utilizes the induced voltage caused by magnetic saturation (IVMS) of PMSM. The rotor position can be detected by IVMS. Furthermore, we introduce a bi-polar pulse modulation to the zero-speed region. By this modulation, both the normal and reversal direction IVMS can be detected and the bi-direction drive achieved. The principle of the proposed method and the experimental results are discussed in this paper.
机译:为零速度区域的永磁同步电机(PMSM)开发了一种新的位置传感器的方法。该方法利用PMSM的磁饱和度(IVMS)引起的感应电压。可以通过IVMS检测转子位置。此外,我们向零速度区域引入双极脉冲调制。通过该调制,可以检测到正常和反转方向IVMS,并且实现了双向驱动。本文讨论了所提出的方法和实验结果的原理。

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