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    • 5. 发明授权
    • Controller for motor and control method for motor
    • 电机控制器及电机控制方式
    • US07615948B2
    • 2009-11-10
    • US11806131
    • 2007-05-30
    • Hirofumi AtarashiHiroyuki IsegawaMasaaki KaizukaMasanari Fukuchi
    • Hirofumi AtarashiHiroyuki IsegawaMasaaki KaizukaMasanari Fukuchi
    • H02P6/12H02P21/00H02P25/30
    • H02P5/74B60L3/0023B60L9/22B60L2210/10H02P21/22Y02T10/643Y02T10/646Y02T10/7216
    • A controller for a motor and a control method for a motor change an operating condition of each motor, considering difference in operating conditions, such as loss and temperature, thus making it possible to reduce a total loss in a plurality of motors. The controller includes a first motor operating condition calculator and a second motor operating condition calculator which calculate the estimated values of losses incurred when a first motor and a second motor are driven, and a DC voltage control unit which carries out, on a motor having a largest estimated value of loss, the processing for changing a supply voltage to change the voltage of DC power supplied to inverters by a DC/DC converter, thereby reducing the difference between a phase voltage, which is the resultant vector of the voltages across terminals of the motor, and a target voltage set on the basis of an output voltage of the DC/DC converter.
    • 考虑到诸如损耗和温度的操作条件的差异,电动机的控制器和电动机的控制方法改变了每个电动机的运行状态,从而可以减少多个电动机的总损耗。 所述控制器包括:第一电动机工作条件计算器和第二电动机运转条件计算器,其计算当驱动所述第一电动机和第二电动机时产生的损耗的估计值;以及直流电压控制单元,其在具有 最大的损耗估计值,改变供电电压以改变由DC / DC转换器提供给逆变器的直流电力的电压的处理,从而减小相电压之间的差异,相电压是作为 电动机和基于DC / DC转换器的输出电压设定的目标电压。
    • 6. 发明申请
    • Controller for motor and control method for motor
    • 电机控制器及电机控制方式
    • US20070290633A1
    • 2007-12-20
    • US11806131
    • 2007-05-30
    • Hirofumi AtarashiHiroyuki IsegawaMasaaki KaizukaMasanari Fukuchi
    • Hirofumi AtarashiHiroyuki IsegawaMasaaki KaizukaMasanari Fukuchi
    • H02P5/00
    • H02P5/74B60L3/0023B60L9/22B60L2210/10H02P21/22Y02T10/643Y02T10/646Y02T10/7216
    • A controller for a motor and a control method for a motor change an operating condition of each motor, considering difference in operating conditions, such as loss and temperature, thus making it possible to reduce a total loss in a plurality of motors. The controller includes a first motor operating condition calculator and a second motor operating condition calculator which calculate the estimated values of losses incurred when a first motor and a second motor are driven, and a DC voltage control unit which carries out, on a motor having a largest estimated value of loss, the processing for changing a supply voltage to change the voltage of DC power supplied to inverters by a DC/DC converter, thereby reducing the difference between a phase voltage, which is the resultant vector of the voltages across terminals of the motor, and a target voltage set on the basis of an output voltage of the DC/DC converter.
    • 考虑到诸如损耗和温度的操作条件的差异,电动机的控制器和电动机的控制方法改变了每个电动机的运行状态,从而可以减少多个电动机的总损耗。 所述控制器包括:第一电动机工作条件计算器和第二电动机运转条件计算器,其计算当驱动所述第一电动机和第二电动机时产生的损耗的估计值;以及直流电压控制单元,其在具有 最大的损耗估计值,改变供电电压以改变由DC / DC转换器提供给逆变器的直流电力的电压的处理,从而减小相电压之间的差异,相电压是作为 电动机和基于DC / DC转换器的输出电压设定的目标电压。
    • 7. 发明授权
    • Electric motor and rotating device that changes relative phase of rotors
    • 改变转子相对相位的电动机和旋转装置
    • US07683520B2
    • 2010-03-23
    • US11713718
    • 2007-03-05
    • Tamotsu KawamuraHirofumi AtarashiMasaaki KaizukaShoei AbeKazuyuki IwataMasato Fujioka
    • Tamotsu KawamuraHirofumi AtarashiMasaaki KaizukaShoei AbeKazuyuki IwataMasato Fujioka
    • H02K1/22
    • H02K21/029
    • This electric motor is provided with an inner periphery side rotor, an outer periphery side rotor, and a rotating device that can change a relative phase between these rotors by rotating at least one of them about a rotational axis thereof. The rotating device is provided with a first member integrally and rotatably provided to the outer periphery side rotor, and a second member integrally fixed on an inside of the inner periphery side rotor which together with the first member defines a pressure chamber on the inside of the inner periphery side rotor. The rotating device changes a relative phase between the inner periphery side rotor and the outer periphery side rotor by supplying a hydraulic fluid to the pressure chamber. The rotating device is further provided with a linking passage that leaks the hydraulic fluid supplied to the pressure chamber to an outside of the pressure chamber.
    • 该电动机设置有内周侧转子,外周侧转子和旋转装置,其可以通过使其中的至少一个绕其旋转轴线旋转来改变这些转子之间的相对相位。 旋转装置设置有一体地可旋转地设置在外周侧转子上的第一构件,以及一体地固定在内周侧转子内侧的第二构件,与第一构件一起形成在内侧侧转子的内侧的压力室 内周侧转子。 旋转装置通过向压力室供给液压流体来改变内周侧转子和外周侧转子之间的相对相位。 旋转装置还设置有将供应到压力室的液压流体泄漏到压力室外部的连接通道。
    • 8. 发明申请
    • Electric motor
    • 电动马达
    • US20070205683A1
    • 2007-09-06
    • US11713718
    • 2007-03-05
    • Tamotsu KawamuraHirofumi AtarashiMasaaki KaizukaShoei AbeKazuyuki IwataMasato Fujioka
    • Tamotsu KawamuraHirofumi AtarashiMasaaki KaizukaShoei AbeKazuyuki IwataMasato Fujioka
    • H02K16/02H02K1/22H02K16/00
    • H02K21/029
    • This electric motor is provided with an inner periphery side rotor, an outer periphery side rotor, and a rotating device that can change a relative phase between these rotors by rotating at least one of them about a rotational axis thereof. The rotating device is provided with a first member integrally and rotatably provided to the outer periphery side rotor, and a second member integrally fixed on an inside of the inner periphery side rotor which together with the first member defines a pressure chamber on the inside of the inner periphery side rotor. The rotating device changes a relative phase between the inner periphery side rotor and the outer periphery side rotor by supplying a hydraulic fluid to the pressure chamber. The rotating device is further provided with a linking passage that leaks the hydraulic fluid supplied to the pressure chamber to an outside of the pressure chamber.
    • 该电动机设置有内周侧转子,外周侧转子和旋转装置,其可以通过使其中的至少一个绕其旋转轴线旋转来改变这些转子之间的相对相位。 旋转装置设置有一体地可旋转地设置在外周侧转子上的第一构件,以及一体地固定在内周侧转子内侧的第二构件,与第一构件一起形成在内侧侧转子的内侧的压力室 内周侧转子。 旋转装置通过向压力室供给液压流体来改变内周侧转子和外周侧转子之间的相对相位。 旋转装置还设置有将供应到压力室的液压流体泄漏到压力室外部的连接通道。