带低分辨率位置传感器的永磁同步电机正弦电流驱动系统

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting Pub Date : 1996-10-06 DOI:10.1109/IAS.1996.556990

S. Morimoto, Masayulu Sanada, Y. Takeda

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引用次数: 101

摘要

正弦反电动势型永磁同步电动机的高性能驱动可以通过电流矢量控制来实现，其中正弦电流根据转子位置流动，电流相位根据运行条件进行适当控制。在这样一个高性能的驱动系统中，需要一个高分辨率的位置传感器。本文提出了一种带低分辨率位置传感器的正弦电流驱动系统。位置估计电路从低分辨率位置传感器的信号中获得高分辨率的位置信息。通过实验验证了该系统的稳态和暂态特性，验证了该驱动系统可以实现正弦电流驱动和高性能的电流矢量控制。

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Sinusoidal current drive system of permanent magnet synchronous motor with low resolution position sensor

The high performance drives of the sinusoidal back-EMF type permanent magnet synchronous motor can be achieved by the current vector control, where the sinusoidal currents flow according to the rotor position and the current phase is suitably controlled according to the operating condition. In such a high performance drive system, a high resolution position sensor is desired. In this paper, a sinusoidal current drive system with a low resolution position sensor is proposed. The high resolution position information is obtained by the position estimating circuit from the signal of a low resolution position sensor. The steady-state and transient characteristics are examined by several experiments, then it is confirmed that the sinusoidal current drive and the high performance current vector control can be achieved by the proposed drive system.

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IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting

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