基于滑模观测器的永磁同步电机超低、零转速无传感器控制

2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2015-12-01 DOI:10.1109/IAEAC.2015.7428613

Peng Tao, Fengxiang Wang, Jinxin Lin, Zhe Chen, Zhenbin Zhang

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引用次数: 3

摘要

基于观测器的永磁同步电机的超低、零转速无传感器控制由于其极弱的反电动势和不可避免的噪声而成为一个难题。针对这一问题，分析了可能导致电机反转的因素，建立了给定转速、惯量和负载转矩对超低转速工况下电机旋转方向的影响方程。超低和零转速仿真结果表明，该控制系统具有良好的性能和较强的鲁棒性。

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Ultra-low and zero speed sensorless control of permanent magnet synchronous motor based on sliding mode observer

The ultra-low and zero speed sensorless control of permanent magnet synchronous motor (PMSM) based on observers is a troublesome problem due to the extremely weak back electromotive force (EMF) and unavoidable noises. Faced with this problem, we analyzed the factors that may cause motors rotating inversely, and constructed an equation describing how the given speed, inertia and load torque affect the rotating direction in the ultra-low speed occasions. The results on ultra-low and zero speed simulations show excellent performance and strong robustness of the control system.

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2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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