基于电动汽车的无刷直流电机低扭矩脉动混合矢量驱动控制

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Abstract Due to the actual process issues, the back EMF of brushless direct current motor (BLDCM) is not ideal 120° trapezoidal wave distribution, its flat top width and waveform distortion can cause torque ripple during commutation. In this paper, the non-ideal back EMF influence on torque ripple was analyzed and a low torque ripple hybrid vector control strategies was proposed based Hall switch signals. Experimental results verify that this method implemented in electric vehicle not only reduces the torque ripple but also run at high-performance vector control. It works reliably in complex working conditions with low speed start-up performance as well.

Key words： Electric vehicles brushless direct current motor non-ideal back electromotive force hybrid vector control Matlab/Simulink

Received: 19 October 2015 Published: 18 August 2016

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TM351

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	Zhang Liwei
	Mao Xueyu

Cite this article:

Zhang Liwei,Mao Xueyu. A Low Torque Ripple Hybrid Vector Drive System for Brushless Direct Current Motor Applied to Electric Vehicles[J]. Transactions of China Electrotechnical Society, 2015, 30(增刊2): 71-81.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I增刊2/71

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