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Position Sensorless Control for IPMSM Based on Extended EMF and Voltage Injection Synchronized with Pulse-Width Modulation Carrier

机译:基于扩展EMF和电压注射与脉冲宽度调制载波同步的IPMSM位置无传感器控制

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摘要

This paper presents a new position sensorless control system for an interior permanent magnet synchronous motor (IPMSM). The proposed method is based on the extended electromotive force (EMF) and voltage injection synchronized with a pulse-width modulation carrier. The proposed method does not need to switch the estimation method by speed in order to estimate the magnetic pole position by extended EMF, even at low speeds. Further, the amplitude of the superimposing voltage is changed according to the extended EMF; the applied voltage is not saturated in the high-load and high-speed regions. The effectiveness of the proposed sensorless control system was verified experimentally.
机译:本文为内部永磁同步电动机(IPMSM)提供了一种新的位置无传感器控制系统。 所提出的方法基于与脉冲宽度调制载体同步的扩展电动势(EMF)和电压喷射。 所提出的方法不需要通过速度切换估计方法,以便甚至以低速通过延伸的EMF估计磁极位置。 此外,根据延伸的EMF改变叠加电压的幅度; 施加的电压在高负荷和高速区域中不饱和。 实验验证了所提出的无传感器控制系统的有效性。

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