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    • 9. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07990088B2
    • 2011-08-02
    • US12257413
    • 2008-10-24
    • Eiji IsobeShigeru Yoshiyama
    • Eiji IsobeShigeru Yoshiyama
    • H02P6/04
    • H02P6/20F16H61/32F16H2061/283F16H2061/326H02P21/0025H02P25/22
    • At an initial drive operation after turning on of an electric power source, an ECU sequentially changes each current exciting phase among multiple phases through one complete cycle at a predetermined time schedule, so that a rotational position of a rotor and the corresponding exciting phase coincide with each other at some timing during the initial drive operation, and thereby the rotor is rotated. The ECU counts the A-phase signal and the B-phase signal during the rotation of the rotor in the initial drive operation and learns a relationship among a count value of the A-phase signal and the B-phase signal, a rotational position of the rotor and each exciting one of the plurality of phases at an end of the initial drive operation. When the ECU determines that a result of the learning is erroneous, the ECU re-executes the learning by re-executing the initial drive operation.
    • 在电源接通后的初始驱动操作中,ECU以预定的时间表顺序地在多个相位之间改变一个完整周期中的每个电流激励相位,使得转子的旋转位置和相应的激励相位与 在初始驱动操作期间的某个定时彼此相对,从而使转子旋转。 在初始驱动动作中,ECU对转子旋转期间的A相信号和B相信号进行计数,得知A相信号的计数值与B相信号之间的关系, 转子和在初始驱动操作结束时的多个相中的每个激励的一个。 当ECU确定学习的结果是错误的时,ECU通过重新执行初始驱动操作来重新执行学习。
    • 10. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07960933B2
    • 2011-06-14
    • US12245147
    • 2008-10-03
    • Eiji IsobeShigeru Kamio
    • Eiji IsobeShigeru Kamio
    • H02P1/04
    • H02P25/08F16H61/24F16H61/32F16H2061/283
    • A P-range side delimiting position of a movable range of a range change mechanism is learned by rotating a motor to a corresponding rotational position, which corresponds to the P-range side delimiting position. A climb correction amount is set for a learning value of the P-range side delimiting position to correct the learning value of the P-range side delimiting position in view of presence of a relatively small angle of rotation of the motor beyond the corresponding rotational position, which corresponds to the P-range side delimiting position. The climb correction amount is set according to motor temperature information, which is one of a temperature of the motor and a temperature that relates to the temperature of the motor.
    • 通过将电动机旋转到对应于P范围侧限定位置的相应旋转位置,可以获知范围改变机构的可移动范围的P范围侧限定位置。 考虑到电动机的相对较小的旋转角度存在超过相应的旋转位置,P范围侧限定位置的学习值设定爬升校正量以校正P范围侧限定位置的学习值 ,其对应于P范围侧限定位置。 爬升校正量根据作为电动机的温度和与电动机的温度有关的温度之一的电动机温度信息来设定。