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PLL type estimator applied in PMSM sensorless control for speed and position

机译:PLL型估计器应用于PMSM无传感器控制的速度和位置

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This paper presents a novel estimation algorithm for speed and position of Permanent Magnet Synchronous Machine (PMSM) based on Phase Locked Loop (PLL) technique. The invention in this sensorless control scheme combines the PLL methodology with a modified PMSM mathematical model expressed in the arbitrary rotating frame. Only stator voltages and currents are required in the algorithm estimating modified stator and rotor magnetic flux. The control strategy principle is based on the advantage of PLL-type structure to successfully track rotor flux with the required stability and accuracy. Simulation results demonstrate the effectiveness and performance analysis of the proposed position and speed estimation method.
机译:本文提出了一种基于锁相环(PLL)技术的永磁同步机(PMSM)速度和位置的新颖估算算法。该无传感器控制方案中的本发明将PLL方法与任意旋转框架中的修改的PMSM数学模型组合。算法估计改进的定子和转子磁通量中只需要定子电压和电流。控制策略原理基于PLL型结构的优势,以成功跟踪转子通量,具有所需的稳定性和精度。仿真结果证明了所提出的位置和速度估计方法的有效性和性能分析。

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