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    • 9. 发明授权
    • Motor control device
    • 电机控制装置
    • US08907610B2
    • 2014-12-09
    • US13543281
    • 2012-07-06
    • Michisada YabuguchiTetsuya FukumotoTakenobu Nakamura
    • Michisada YabuguchiTetsuya FukumotoTakenobu Nakamura
    • G05B19/408H02P27/08
    • H02P27/08H02P2205/01
    • A motor control device has a motor driving unit that drives a motor, a current detecting unit that detects a motor current flowing through the motor, a control unit that compares a detected current value of the motor current detected by the current detecting unit with a target current value to obtain a deviation, to control the motor driving unit based on the deviation, and a compensation unit that sets as a current offset value a detected current value of a drift current detected by the current detecting unit in a state where the motor current is regarded as zero, to compensate the detected current value of the motor current by the current offset value. The compensation unit sets a target offset value according to the current value of the detected drift current to correct the current offset value stepwise until the current offset value reaches the target offset value.
    • 电动机控制装置具有驱动电动机的电动机驱动单元,检测流过电动机的电动机电流的电流检测单元,将由电流检测单元检测出的电动机电流的检测电流值与目标值进行比较的控制单元 获得偏差的电流值,基于偏差来控制电动机驱动单元;以及补偿单元,其将电流检测单元检测到的漂移电流的检测电流值设定为电流偏移值,电动机电流 被视为零,以将电动机电流的检测电流值补偿当前偏移值。 补偿单元根据检测到的漂移电流的当前值设置目标偏移值,以逐步校正当前偏移值,直到当前偏移值达到目标偏移值。
    • 10. 发明申请
    • MOTOR CONTROL DEVICE
    • 电机控制装置
    • US20130009587A1
    • 2013-01-10
    • US13543281
    • 2012-07-06
    • Michisada YabuguchiTetsuya FukumotoTakenobu Nakamura
    • Michisada YabuguchiTetsuya FukumotoTakenobu Nakamura
    • G05B13/02
    • H02P27/08H02P2205/01
    • A motor control device has a motor driving unit that drives a motor, a current detecting unit that detects a motor current flowing through the motor, a control unit that compares a detected current value of the motor current detected by the current detecting unit with a target current value to obtain a deviation, to control the motor driving unit based on the deviation, and a compensation unit that sets as a current offset value a detected current value of a drift current detected by the current detecting unit in a state where the motor current is regarded as zero, to compensate the detected current value of the motor current by the current offset value. The compensation unit sets a target offset value according to the current value of the detected drift current to correct the current offset value stepwise until the current offset value reaches the target offset value.
    • 电动机控制装置具有驱动电动机的电动机驱动单元,检测流过电动机的电动机电流的电流检测单元,将由电流检测单元检测出的电动机电流的检测电流值与目标值进行比较的控制单元 获得偏差的电流值,基于偏差来控制电动机驱动单元;以及补偿单元,其将电流检测单元检测到的漂移电流的检测电流值设定为电流偏移值,电动机电流 被视为零,以将电动机电流的检测电流值补偿当前偏移值。 补偿单元根据检测到的漂移电流的当前值设置目标偏移值,以逐步校正当前偏移值,直到当前偏移值达到目标偏移值。