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    • 1. 发明申请
    • MOTOR DRIVE DEVICE
    • 电机驱动装置
    • US20110248656A1
    • 2011-10-13
    • US13082856
    • 2011-04-08
    • Michisada YabuguchiTakenobu NakamuraShinichi Kuratani
    • Michisada YabuguchiTakenobu NakamuraShinichi Kuratani
    • H02P21/14H02P23/14
    • H02P21/06
    • A motor drive device has a drive circuit for driving a motor, and a control section for controlling the drive circuit. The control section has a current command value calculating portion for calculating a current command value, a rotation calculating portion for calculating a rotation angle and an angular speed of the motor, a current command value correcting portion for correcting the current command value based on the rotation angle, a voltage command value calculating portion for calculating a voltage command value based on the current command value, a voltage command value correcting portion for correcting the voltage command value based on the current command value and the rotation angle and the angular speed, and a drive signal generating portion for generating a drive signal based on the voltage command value.
    • 电动机驱动装置具有用于驱动电动机的驱动电路和用于控制驱动电路的控制部。 控制部分具有用于计算电流指令值的电流指令值计算部分,用于计算电动机的旋转角度和角速度的旋转计算部分,用于基于旋转校正电流指令值的电流指令值校正部分 角度,用于基于电流指令值计算电压指令值的电压指令值计算部分,用于基于当前指令值和旋转角度和角速度校正电压指令值的电压指令值校正部分,以及 驱动信号产生部分,用于基于电压指令值产生驱动信号。
    • 3. 发明授权
    • Motor drive device
    • 电机驱动装置
    • US08446115B2
    • 2013-05-21
    • US13082856
    • 2011-04-08
    • Michisada YabuguchiTakenobu NakamuraShinichi Kuratani
    • Michisada YabuguchiTakenobu NakamuraShinichi Kuratani
    • H02P21/00
    • H02P21/06
    • A motor drive device has a drive circuit for driving a motor, and a control section for controlling the drive circuit. The control section has a current command value calculating portion for calculating a current command value, a rotation calculating portion for calculating a rotation angle and an angular speed of the motor, a current command value correcting portion for correcting the current command value based on the rotation angle, a voltage command value calculating portion for calculating a voltage command value based on the current command value, a voltage command value correcting portion for correcting the voltage command value based on the current command value and the rotation angle and the angular speed, and a drive signal generating portion for generating a drive signal based on the voltage command value.
    • 电动机驱动装置具有用于驱动电动机的驱动电路和用于控制驱动电路的控制部。 控制部分具有用于计算电流指令值的电流指令值计算部分,用于计算电动机的旋转角度和角速度的旋转计算部分,用于基于旋转校正电流指令值的电流指令值校正部分 角度,用于基于电流指令值计算电压指令值的电压指令值计算部分,用于基于当前指令值和旋转角度和角速度校正电压指令值的电压指令值校正部分,以及 驱动信号产生部分,用于基于电压指令值产生驱动信号。
    • 5. 发明申请
    • MOTOR DRIVE DEVICE
    • 电机驱动装置
    • US20110068728A1
    • 2011-03-24
    • US12714035
    • 2010-02-26
    • Shinichi KurataniTakenobu NakamuraMichisada YabuguchiMasamitsu Hamasaki
    • Shinichi KurataniTakenobu NakamuraMichisada YabuguchiMasamitsu Hamasaki
    • G01R31/28
    • H02M1/32H02M2001/0009H02P27/08H02P29/0241
    • A motor drive device has a drive unit at least three sets of upper and lower arms, each of the at least three sets of upper and lower arms having switching elements thereon, for driving a motor based on an ON/OFF operation of each of the switching elements by a PWM signal, a single current detection resistor for detecting current flowing to the drive unit, and a control unit for detecting a current value of the current flowing to each of phases of the motor based on the current flowing to the current detection resistor, and outputting the PWM signal to each of the switching elements based on a target current value of each of the phases and the detected current value of each of the phases. The control unit has an upper stage regeneration abnormality determination unit for detecting the current flowing to the current detection resistor in an upper stage regeneration state, in which the switching elements of the upper arm of all of the phases are in an ON state and the switching elements of the lower arm of all of the phases are in an OFF state, and determining abnormality based on the detection result, and a lower stage regeneration abnormality determination unit for detecting the current flowing to the current detection resistor in a lower stage regeneration state, in which the switching elements of the upper arm of all of the phases are in the OFF state and the switching elements of the lower arm of all of the phases are in the ON state, and determining abnormality based on the detection result.
    • 电动机驱动装置具有至少三组上臂和下臂的驱动单元,所述至少三组上臂和下臂中的至少三组在其上具有开关元件,用于基于每一个的开/关操作来驱动马达 通过PWM信号的开关元件,用于检测流向驱动单元的电流的单电流检测电阻器;以及控制单元,用于基于流向电流检测的电流来检测流过电动机各相的电流的电流值 电阻器,并且基于每个相的目标电流值和每个相的检测电流值,将PWM信号输出到每个开关元件。 控制单元具有上级再生异常判定单元,用于检测流入上级再生状态的电流检测电阻的电流,其中所有相的上臂的开关元件处于导通状态,并且开关 所有相的下臂的元件处于断开状态,并且基于检测结果确定异常;以及下级再生异常确定单元,用于检测在较低级再生状态中流向电流检测电阻器的电流, 其中所有相的上臂的开关元件处于断开状态,并且所有相的下臂的开关元件处于接通状态,并且基于检测结果来确定异常。
    • 6. 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。
    • 7. 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。
    • 9. 发明申请
    • MOTOR DRIVE DEVICE
    • 电机驱动装置
    • US20110234138A1
    • 2011-09-29
    • US13072257
    • 2011-03-25
    • Shinichi KurataniTakenobu Nakamura
    • Shinichi KurataniTakenobu Nakamura
    • H02P6/12
    • H02P27/08B62D5/0487H02M1/32H02P29/0241
    • A motor drive device has a drive unit having at least three pairs of upper and lower arms including switching elements at each of the upper arm and the lower arm, for driving a motor based on an ON/OFF operation of each of the switching elements by a PWM signal, a single current detection resistor for detecting a current flowing to the drive unit, and a control unit for detecting a current value of a current flowing to each phase of the motor based on the current flowing to the current detection resistor, and outputting the PWM signal to each of the switching elements based on a target current value of each phase and the detected current value of each phase.
    • 电机驱动装置具有驱动单元,其具有至少三对上下臂,所述上臂和下臂在上臂和下臂的每一个处包括开关元件,用于基于每个开关元件的接通/断开操作来驱动马达, PWM信号,用于检测流向驱动单元的电流的单电流检测电阻;以及控制单元,用于根据流向电流检测电阻的电流,检测流向马达的各相的电流的电流值,以及 基于各相的目标电流值和各相的检测电流值,向每个开关元件输出PWM信号。