Control apparatus for induction motor
    2.
    发明授权
    Control apparatus for induction motor 失效
    感应电动机控制装置

    公开(公告)号:US5304912A

    公开(公告)日:1994-04-19

    申请号:US947480

    申请日:1992-09-21

    摘要: A control apparatus for an induction motor and an electric car propelling motor includes an inverter for supplying a driving current to the induction motor on the basis of a predetermined control signal, a rotational speed sensor for detecting a rotational speed of the induction motor, a V/f control circuit responsive to an input speed command signal for producing a control signal for the inverter, a vector control circuit for producing an inverter control signal on the basis of the speed command signal and the rotational speed signal of the rotational speed sensor, an abnormality detecting circuit for detecting abnormality of the rotational speed sensor. A change-over circuit having inputs supplied with outputs of the V/f control circuit and the vector control circuit, respectively, selects the inverter control signal from the V/f control circuit in response to detection of abnormality of the rotational speed sensor while selecting the inverter control signal supplied from the vector control circuit so long as no abnormality is detected in the rotational speed sensor.

    摘要翻译: 一种用于感应电动机和电动汽车推进电动机的控制装置包括:用于基于预定控制信号向感应电动机提供驱动电流的逆变器,用于检测感应电动机的转速的转速传感器,V / f控制电路,其响应于用于产生用于逆变器的控制信号的输入速度指令信号,用于根据速度指令信号和转速传感器的转速信号产生逆变器控制信号的矢量控制电路, 异常检测电路,用于检测转速传感器的异常。 具有V / f控制电路和矢量控制电路的输出的转换电路的转换电路分别响应于检测到转速传感器的异常而选择来自V / f控制电路的逆变器控制信号,同时选择 只要在转速传感器中没有检测到异常,则从矢量控制电路提供的逆变器控制信号。

    Control system for electric vehicle
    3.
    发明授权
    Control system for electric vehicle 失效
    电动汽车控制系统

    公开(公告)号:US5345155A

    公开(公告)日:1994-09-06

    申请号:US857335

    申请日:1992-03-25

    摘要: An electric vehicle control system, according to the present invention, comprises at least two electric motors for independently driving left and right wheels of the vehicle, power supply unit for supplying power to the motors, unit for detecting command entered by a driver of the vehicle and driving operational amount provided for the vehicle, unit for detecting output torques of the two motors, unit for calculating a motor speed difference command signal for making the two output torques consistent with each other, unit for calculating a vehicle speed command signal for the vehicle on the basis of detected command and the driving operational amount, unit for calculating motor speed command signals for respective of the motors on the basis of calculated motor speed difference command signal and the vehicle speed command signal, unit for detecting actual speeds of the two motors, and control unit for voltage controlling supply power from the power supply unit to the motors so that the detected actual speeds of the motors become consistent with the motor speed commands for respective motors.

    摘要翻译: 根据本发明的电动车辆控制系统包括用于独立地驱动车辆的左轮和右车的至少两个电动机,用于向电动机供电的供电单元,用于检测车辆驾驶员输入的命令的单元 以及为车辆提供的驾驶操作量,用于检测两个电动机的输出转矩的单元,用于计算用于使两个输出转矩一致的电动机速度差指令信号的单元,用于计算车辆的车速指令信号的单元 基于检测到的指令和驾驶操作量,基于计算的电动机速度差指令信号和车速指令信号来计算各个电动机的电动机速度指令信号的单元,用于检测两个电动机的实际速度的单元 以及控制单元,用于对从电源单元向电动机供电的电压进行控制 检测到的电机的实际速度与各个电机的电机速度指令一致。

    Electric vehicle control device
    4.
    发明授权
    Electric vehicle control device 失效
    电动车控制装置

    公开(公告)号:US5309073A

    公开(公告)日:1994-05-03

    申请号:US963765

    申请日:1992-10-20

    IPC分类号: B60L3/00 B60L11/18 H02J11/00

    摘要: An electric vehicle control device is disclosed, which includes an AC motor for driving a vehicle; a main electric power conversion unit for supplying an AC voltage to the AC motor; a battery for supplying a DC voltage to the main electric power conversion unit; an auxiliary electric power conversion unit connected to the battery and adapted to be connected to a load or a power supply; a controller for controlling the main and auxiliary electric power conversion units so as to act selectively as an inverter or a converter; and a switching unit for giving selectively the AC motor the AC voltage from the main and auxiliary electric power conversion units under control of the controller. In the running mode of the electric vehicle, the controller described above makes the main electric power conversion unit act as an inverter and controls the switching unit so that the AC voltage from the main electric power conversion unit is given to the AC motor. Further, responding to detection of a failure of the main electric power conversion unit, the controller makes the auxiliary electric power conversion unit act as an inverter and controls the switching unit so that the AC voltage from the auxiliary electric power conversion unit is given to the AC motor.

    摘要翻译: 公开了一种电动车辆控制装置,其包括用于驱动车辆的AC电动机; 主电力转换单元,用于向AC电动机提供AC电压; 用于向主电力转换单元提供直流电压的电池; 连接到电池并适于连接到负载或电源的辅助电力转换单元; 用于控制主电力转换单元和辅助电力转换单元以便选择性地作为逆变器或转换器的控制器; 以及开关单元,用于在所述控制器的控制下选择性地给所述AC电动机提供来自所述主电力转换单元和所述辅助电力转换单元的AC电压。 在电动车辆的运行模式中,上述控制器使得主电力转换单元作为逆变器,并且控制开关单元,使得来自主电力转换单元的AC电压被给予AC电动机。 此外,响应于主电力转换单元的故障的检测,控制器使辅助电力转换单元充当逆变器,并控制开关单元,使得来自辅助电力转换单元的AC电压被给予 交流电机。

    Armature core, motor using same, and axial gap electrical rotating machine using same
    5.
    发明授权
    Armature core, motor using same, and axial gap electrical rotating machine using same 有权
    电枢芯,电机使用相同,轴向间隙电动旋转机使用相同

    公开(公告)号:US08680736B2

    公开(公告)日:2014-03-25

    申请号:US12615382

    申请日:2009-11-10

    IPC分类号: H02K1/18 H02K1/12

    CPC分类号: H02K21/24 H02K1/14 H02K1/2793

    摘要: An armature core includes a core portion formed of a lamination of plural non-crystalline metallic foil bands, wherein the armature core is provided with at least two cut surfaces with respect to the lamination layers. Amorphous metal is used as the iron base of the non-crystalline metallic foil bands. The cut surfaces are perpendicular to the lamination layers of the non-crystalline foil bands. Still further, the stator includes a stator core holding member in a disc form, the stator having a plurality of holes or recessions that are substantially in the same shape as a cross-sectional shape of the stator cores and wherein the stator cores are inserted in the holes or recessions of the stator core holding member and held by fixing in vicinities of respective central portions thereof, the central portions being with respect to the axial direction thereof.

    摘要翻译: 电枢铁心包括由多个非晶金属箔带的层叠形成的芯部,其中电枢芯相对于层压层设置有至少两个切割面。 无定形金属用作非结晶金属箔带的铁基。 切割表面垂直于非结晶箔带的层压层。 此外,定子包括盘状的定子铁芯保持构件,定子具有与定子铁芯的截面形状基本上相同形状的多个孔或凹部,并且其中定子铁心插入 定子铁芯保持构件的孔或凹部通过固定在其各自的中心部附近而保持,中心部分相对于其轴向方向。

    MOTOR AND FAN DEVICE USING THE SAME
    6.
    发明申请
    MOTOR AND FAN DEVICE USING THE SAME 有权
    使用相同的电动机和风扇装置

    公开(公告)号:US20080069686A1

    公开(公告)日:2008-03-20

    申请号:US11838309

    申请日:2007-08-14

    IPC分类号: H02K1/12 F04D29/70

    摘要: The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator core includes a plurality of split cores having the same shape, and the split cores are formed to have a recessed portion and a projected portion to be fitted in the recessed portion. Thereby, by using a plurality of the split cores having the same shape, one stator core is formed. On this occasion, the shape of the split cores is molded so that the recessed portion and the projected portion of one stator core are disposed at positions at which those are fitted to the projected portion and the recessed portion of the opposing stator core, respectively.

    摘要翻译: 本发明提供一种电动机,其包括:定子,其包括由具有爪型齿的一对定子铁芯和用于在爪型齿上产生磁通的线圈构成的多个单相定子;以及用于产生转矩的转子 在旋转轴处,其中定子芯包括具有相同形状的多个分裂芯,并且分离芯形成为具有凹入部分和待装配在凹部中的突出部分。 由此,通过使用具有相同形状的多个分裂铁芯,形成一个定子铁芯。 在这种情况下,分裂芯的形状被模制成使得一个定子芯的凹部和突出部分分别设置在与相对的定子芯的突出部分和凹部相配合的位置处。

    Motor and fan device using the same
    7.
    发明授权
    Motor and fan device using the same 有权
    电机和风扇装置使用相同

    公开(公告)号:US07963741B2

    公开(公告)日:2011-06-21

    申请号:US11838309

    申请日:2007-08-14

    IPC分类号: F04D29/70

    摘要: The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator core includes a plurality of split cores having the same shape, and the split cores are formed to have a recessed portion and a projected portion to be fitted in the recessed portion. Thereby, by using a plurality of the split cores having the same shape, one stator core is formed. On this occasion, the shape of the split cores is molded so that the recessed portion and the projected portion of one stator core are disposed at positions at which those are fitted to the projected portion and the recessed portion of the opposing stator core, respectively.

    摘要翻译: 本发明提供一种电动机,其包括:定子,其包括由具有爪型齿的一对定子铁芯和用于在爪型齿上产生磁通的线圈构成的多个单相定子;以及用于产生转矩的转子 在旋转轴处,其中定子芯包括具有相同形状的多个分裂芯,并且分离芯形成为具有凹入部分和待装配在凹部中的突出部分。 由此,通过使用具有相同形状的多个分裂铁芯,形成一个定子铁芯。 在这种情况下,分裂芯的形状被模制成使得一个定子芯的凹部和突出部分分别设置在与相对的定子芯的突出部分和凹部相配合的位置处。