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    • 2. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US08917049B2
    • 2014-12-23
    • US13693314
    • 2012-12-04
    • Denso Corporation
    • Jun Yamada
    • G05B19/40G05B23/02H02P7/00G05B19/23G05B19/4062
    • G05B19/23G05B19/4062G05B2219/42095G05B2219/42294
    • When a failure of a feedback control operation of an electric motor is sensed, a control unit changes the feedback control operation to an open loop control operation. At the time of executing the open loop control operation, the control unit sequentially changes the exciting phase of the motor without executing feedback of information of the count value of the encoder counter and rotates a rotor of the motor until a count value of an exciting phase change counter reaches an open loop target count value, which corresponds to a target rotational position of the rotor. When the control unit changes the feedback control operation to the open loop control operation, the control unit sets the open loop target count value by correcting a feedback target count value based on an exciting phase deviation correction value for the count value of the encoder counter.
    • 当检测到电动机的反馈控制操作失败时,控制单元将反馈控制操作改变为开环控制操作。 在执行开环控制操作时,控制单元顺序地改变电动机的励磁相位,而不执行编码器计数器的计数值的信息的反馈,并且使电动机的转子旋转直到激励相位的计数值 变更计数器达到对应于转子的目标旋转位置的开环目标计数值。 当控制单元将反馈控制操作改变为开环控制操作时,控制单元通过基于编码器计数器的计数值的激励相位偏差校正值来校正反馈目标计数值来设置开环目标计数值。
    • 3. 发明申请
    • MOTOR CONTROL APPARATUS
    • 电动机控制装置
    • US20130141031A1
    • 2013-06-06
    • US13693314
    • 2012-12-04
    • DENSO CORPORATION
    • Jun YAMADA
    • G05B19/23
    • G05B19/23G05B19/4062G05B2219/42095G05B2219/42294
    • When a failure of a feedback control operation of an electric motor is sensed, a control unit changes the feedback control operation to an open loop control operation. At the time of executing the open loop control operation, the control unit sequentially changes the exciting phase of the motor without executing feedback of information of the count value of the encoder counter and rotates a rotor of the motor until a count value of an exciting phase change counter reaches an open loop target count value, which corresponds to a target rotational position of the rotor. When the control unit changes the feedback control operation to the open loop control operation, the control unit sets the open loop target count value by correcting a feedback target count value based on an exciting phase deviation correction value for the count value of the encoder counter.
    • 当检测到电动机的反馈控制操作失败时,控制单元将反馈控制操作改变为开环控制操作。 在执行开环控制操作时,控制单元顺序地改变电动机的励磁相位,而不执行编码器计数器的计数值的信息的反馈,并且使电动机的转子旋转直到激励相位的计数值 变更计数器达到对应于转子的目标旋转位置的开环目标计数值。 当控制单元将反馈控制操作改变为开环控制操作时,控制单元通过基于编码器计数器的计数值的激励相位偏差校正值来校正反馈目标计数值来设置开环目标计数值。