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    • 24. 发明申请
    • MULTI-PHASE MOTOR CONTROL METHOD AND DEVICE USING THE SAME
    • 多相电动机控制方法和使用该装置的装置
    • US20150069940A1
    • 2015-03-12
    • US14461918
    • 2014-08-18
    • Kuo-Chung LeeWei-Hsu ChangAn-Tung ChenChun-Wen Wang
    • Kuo-Chung LeeWei-Hsu ChangAn-Tung ChenChun-Wen Wang
    • H02P6/00
    • H02P6/182H02P6/15H02P6/18
    • A multi-phase motor control method controls a multi-phase motor which includes multiple nodes respectively receiving a corresponding number of driving voltage signals to control a rotation of a rotor. The motor control method includes: sensing a signal phase of a current signal corresponding to at least one node, for example by sensing a zero-crossing point of the current signal; determining a reference phase for the current signal; calculating a phase difference between the signal phase and the reference phase; and controlling a phase switching frequency of the stator according to the phase difference, such that the signal phase is close to or in phase with the reference phase, to thereby obtain an optimum rotation speed of the rotor corresponding to a given driving voltage. The present invention also provides a multi-phase motor control device using the motor control method.
    • 多相电动机控制方法控制多相电动机,其包括分别接收相应数量的驱动电压信号以控制转子的旋转的多个节点。 电动机控制方法包括:例如通过感测当前信号的过零点来感测与至少一个节点对应的电流信号的信号相位; 确定当前信号的参考相位; 计算信号相位和参考相位之间的相位差; 以及根据所述相位差来控制所述定子的相位切换频率,使得所述信号相位与所述基准相位接近或相位,从而获得对应于给定驱动电压的转子的最佳转速。 本发明还提供一种使用电动机控制方法的多相电动机控制装置。