圆柱型无刷直流电动机转子位置的涡流无传感器估计

Proceedings of 4th IEEE International Workshop on Advanced Motion Control - AMC '96 - MIE Pub Date : 1996-03-18 DOI:10.1109/AMC.1996.509374

M. Tomita, M. Satoh, H. Yamaguchi, S. Doki, S. Okuma

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引用次数: 28

摘要

圆柱无刷直流电动机静止状态下转子位置的估计一直是一个难点，目前已实现。本文提出了一种简单的转子加工方法，即在转子表面粘贴能产生涡流的非磁性材料。这一过程导致相电流的幅值根据转子位置的变化。实验结果表明，实现了最大误差为26/spl°/电角的转子位置估计，适用于120/spl°/导通型圆柱无刷直流电动机。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sensorless estimation of rotor position of cylindrical brushless DC motors using eddy current

A rotor position estimation of a cylindrical brushless DC motor at a standstill has been difficult, and the realization has been desired. This paper proposes a simple processing of a rotor by pasting non-magnetic materials where eddy currents can flow on the rotor surface. This process causes a change of amplitude of the phase current according to the rotor position. The experimental results show that the rotor position estimation with maximum error of 26/spl deg/ electrical angle has been realized, which is useful for 120/spl deg/ conduction type cylindrical brushless DC motors.

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Proceedings of 4th IEEE International Workshop on Advanced Motion Control - AMC '96 - MIE

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