An effective approach to predict performances of high speed BLDC motors in hard disk drives

Q. Jiang, C. Bi, A. Al Mamum
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引用次数: 10

Abstract

As the speed of the BLDC motors in hard disk drives has been increased from 3,600 rpm to 15,000 rpm, the phase commutation of the motor and the MOSFET switches of inverter influence the spindle motor performances obviously, for examples, the torque ripple and efficiency of the motor. In this paper, an effective approach of BLDC spindle motor system is presented to predict the performance of BLDC motors accurately. Both the characteristics of the spindle motor and MOSFET switches of the inverter can be taken into account in the simulation. The experimental results confirmed the effectiveness of the proposed method.
一种预测硬盘驱动器高速无刷直流电机性能的有效方法
随着硬盘驱动器中无刷直流电机的转速从3600转/分提高到15000转/分,电机的相位换相和逆变器的MOSFET开关对主轴电机的转矩脉动和效率等性能影响明显。本文提出了一种有效的无刷直流主轴电机系统性能预测方法。在仿真中既可以考虑主轴电机的特性,也可以考虑逆变器的MOSFET开关。实验结果证实了该方法的有效性。
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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