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Improved Sensorless Control Method for Permanent Magnet Synchronous Machines Considering Resistance Asymmetry and Temperature Variation

机译:考虑电阻不对称和温度变化的永磁同步电机改进无传感器控制方法

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This paper aims to improve the sensorless control performance for permanent-magnet synchronous machines (PMSMs) under resistance asymmetry. The improved sensorless method can eliminate the undesired 2nd order fluctuation in position and speed estimation with the help of sequence component extractor (SCE) while the DC offset position error caused by asymmetric resistance and temperature variation can be compensated by applying a novel pulse injection method. Experimental and simulation results are provided to validate the proposed methods.
机译:本文旨在提高永磁同步电机在电阻不对称下的无传感器控制性能。改进的无传感器方法可以借助序列分量提取器(SCE)消除位置和速度估计中不希望的二阶波动,同时可以通过应用新型脉冲注入方法来补偿由不对称电阻和温度变化引起的DC偏移位置误差。提供实验和仿真结果以验证所提出的方法。

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