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1. 发明授权

US06380707B1 Method and device for controlling a brushless electric motor 失效
标题翻译：无刷电动机控制方法及装置
公开(公告)号：US06380707B1
公开(公告)日：2002-04-30
申请号：US09807587
申请日：2001-08-24
申请人： Jesper Riber Rosholm , Jan Carøe Aarestrup
发明人： Jesper Riber Rosholm , Jan Carøe Aarestrup
IPC分类号： H02P618
CPC分类号： H02P6/182
摘要： The brushless electric motor (M) is provided with switching means (Q1-Q6) for selectively supplying current to the armature windings (U, V, W) of the motor (M) from a DC-power supply (1) The switching means (Q1-Q6) are controlled by measuring the back-electromotive forces developed in the windings (U, V, W) during operation and comparing these measurements with a high and low reference voltage, in such a way that each time a measured back-electromotive force with positive slope crosses the high reference voltage or a measured back-electromotive force with negative slope crosses the low reference voltage, a commutation signal is generated to commutate the switching means (Q1-Q6), this provides a highly simplified control of the switching means.
摘要翻译：无刷电动机（M）设置有用于从直流电源（1）向电动机（M）的电枢绕组（U，V，W）选择性地供给电流的开关装置（Q1-Q6）。开关装置（Q1-Q6）通过测量在操作期间在绕组（U，V，W）中产生的反电动势来控制，并将这些测量与高和低参考电压进行比较，使得每次测量的反向电动势具有正斜率的电动势穿过高参考电压或具有负斜率的测量反电动势穿过低参考电压，产生换向信号以换向开关装置（Q1-Q6），这提供了对开关装置。

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