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    • 39. 发明授权
    • Motor control circuit
    • 电机控制电路
    • US09018872B2
    • 2015-04-28
    • US13991002
    • 2011-12-08
    • Tomohiro InoueYuji Hamada
    • Tomohiro InoueYuji Hamada
    • H02P6/16H02P6/14
    • H02P6/145H02P6/153
    • To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate advance angle value corresponding to the speed of the motor that is set can be automatically set. The motor control circuit according to the present invention includes an advance angle setting means that adds a reference advance angle value to an advance angle correction value obtained by multiplying a proportional coefficient by a correction amount and outputs an advance angle setting signal, and an advance angle setting correction means that uses a ratio of a correction reference period relative to a period of a reference signal input from the outside as a correction amount and corrects the reference advance angle value by an advance angle correction value obtained by multiplying the correction amount by a predetermined proportional coefficient of the advance angle setting means.
    • 提供可变地控制电动机速度的电动机控制电路,其中可以自动设定与设定的电动机的速度对应的适当的前进角度值。 根据本发明的电动机控制电路包括提前角设定装置,其将基准提前角值与通过将比例系数乘以校正量而获得的提前角校正值相加,并输出提前角设定信号和提前角 使用校正基准期间相对于从外部输入的基准信号的周期的比率作为校正量的校正基准期间,并通过将校正量乘以规定值而获得的提前角校正值来校正基准提前角值 提前角设定装置的比例系数。