汽车用永磁无刷直流电机无位置传感器技术研究

2016-09-30 01:22荣军李一鸣万军华张敏陈曦
计算技术与自动化 2016年3期
关键词:荣军陈曦张敏

荣军+李一鸣+万军华+张敏+陈曦

摘 要:研究一种汽车用永磁无刷直流电机无位置传感器控制技术-反电动势三次谐波检测法,它是利用定子反电动势三次谐波积分的方法来估算转子的位置。具体工作过程就是把电枢三相电压进行叠加,然后从中提取出反电动势的三次谐波分量,通过选择其积分过零点为电机的三相逆变电路的换相点。最后通过实验表明其与理论分析完全一致,为其在实际应用提出一种新的方法。endprint

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