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    Methods, systems and apparatus for detecting abnormal operation of an inverter sub-module
    2.
    发明授权
    Methods, systems and apparatus for detecting abnormal operation of an inverter sub-module 有权
    用于检测逆变器子模块异常运行的方法，系统和装置

    公开(公告)号：US07977963B2

    公开(公告)日：2011-07-12

    申请号：US12506760

    申请日：2009-07-21

    申请人： Bon Ho Bae ,  Leah Dunbar

    发明人： Bon Ho Bae ,  Leah Dunbar

    IPC分类号： G01R31/40

    CPC分类号： G01R31/42

    摘要： Methods and apparatus are provided for determining whether one or more inverter sub-modules of an inverter module is operating properly. Amplitude of each stator current signal is regularly measured. For each current signal, a positive counter counts a number of consecutive times the amplitude of that current signal is less than a positive current threshold, while a negative counter counts a number of consecutive times the amplitude of that current signal is greater than a negative current threshold. If the positive counter or the negative counter exceeds a maximum count, it is determined that an inverter sub-module is operating abnormally.

    摘要翻译： 提供了用于确定逆变器模块的一个或多个逆变器子模块是否正常工作的方法和装置。 每个定子电流信号的幅度被定期测量。 对于每个电流信号，正计数器对该电流信号的振幅小于正电流阈值的连续次数进行计数，而负计数器对该电流信号的幅度大于负电流的连续次数进行计数 阈。 如果正计数器或负计数器超过最大计数，则确定逆变器子模块异常运行。

    Induction motor control systems and methods
    5.
    发明授权
    Induction motor control systems and methods 有权
    感应电动机控制系统及方法

    公开(公告)号：US08294413B2

    公开(公告)日：2012-10-23

    申请号：US12652448

    申请日：2010-01-05

    申请人： Min Dai ,  Bon Ho Bae ,  Leah Dunbar

    发明人： Min Dai ,  Bon Ho Bae ,  Leah Dunbar

    IPC分类号： H02P23/00 ,  H02P27/00

    CPC分类号： H02P21/06 ,  H02P21/141 ,  H02P2207/01

    摘要： A control system is provided for an inverter assembly associated with an induction motor. The system includes a current determination module configured to generate q- and d-axis current commands based on a torque command. The current determination module is further configured to generate the q-axis current command based on an observed flux linkage and a flux linkage command. The system further includes a motor current control module coupled to the current determination module and configured to generate q- and d-axis voltage commands based on the q- and d-axis current commands generated by the current determination module and a PWM modulator coupled to the motor current control module configured to generate duty cycle signals for operating the inverter assembly based on the q- and d-axis voltage commands generated by the motor current control module.

    摘要翻译： 为与感应电动机相关联的逆变器组件提供控制系统。 该系统包括电流确定模块，其配置为基于转矩指令产生q轴和d轴电流指令。 当前确定模块还被配置为基于观察到的磁链和磁链指令来生成q轴电流命令。 该系统还包括电动机电流控制模块，该电动机电流控制模块耦合到电流确定模块并被配置为基于由电流确定模块产生的q轴和d轴电流指令产生q轴和d轴电压指令，以及PWM调制器 电动机电流控制模块被配置为基于由电动机电流控制模块产生的q轴和d轴电压指令产生用于操作逆变器组件的占空比信号。

    METHOD AND CIRCUIT FOR PROCESSING A RESOLVER FAULT
    7.
    发明申请
    METHOD AND CIRCUIT FOR PROCESSING A RESOLVER FAULT 有权
    用于处理解决方案故障的方法和电路

    公开(公告)号：US20110043145A1

    公开(公告)日：2011-02-24

    申请号：US12543708

    申请日：2009-08-19

    申请人： Wei D. Wang ,  Bon Ho Bae ,  Stephen T. West ,  Rick H. Schroeder

    发明人： Wei D. Wang ,  Bon Ho Bae ,  Stephen T. West ,  Rick H. Schroeder

    IPC分类号： H02P6/16

    CPC分类号： G01D5/24476

    摘要： A method of processing a resolver fault in a motor generator unit (MGU) includes receiving a position signal from a resolver describing a measured angular position of a rotor of the MGU, determining the presence of the resolver fault using the position signal, and calculating or extrapolating an estimated rotor position when the resolver fault is determined. A predetermined resolver fault state may be determined using a measured duration of the resolver fault, and the MGU may be controlled using the estimated rotor position for at least a portion of the duration of the resolver fault. A motor control circuit is operable for processing the resolver fault using the above method, and may automatically vary a torque output or a pulse-width modulation (PWM) of the MGU depending on the duration of the resolver fault.

    摘要翻译： 一种处理电动发电机单元（MGU）中的解算器故障的方法包括从解析器接收描述MGU的转子的测量角位置的位置信号，使用位置信号确定解析器故障的存在，以及计算或 当确定旋转变压器故障时，外推估计的转子位置。 可以使用解析器故障的测量持续时间来确定预定的解算器故障状态，并且可以使用估计的转子位置来控制解调器故障持续时间的至少一部分的MGU。 电动机控制电路可操作以使用上述方法处理旋转变压器故障，并且可以根据解算器故障的持续时间自动地改变MGU的转矩输出或脉冲宽度调制（PWM）。

    Rotor temperature estimation for an electric vehicle
    8.
    发明授权
    Rotor temperature estimation for an electric vehicle 有权
    电动车辆的转子温度估计

    公开(公告)号：US09166518B2

    公开(公告)日：2015-10-20

    申请号：US13170082

    申请日：2011-06-27

    申请人： Mengwei Campbell ,  Bon Ho Bae

    发明人： Mengwei Campbell ,  Bon Ho Bae

    IPC分类号： H02P29/00 ,  H02P23/14

    CPC分类号： H02P29/0061 ,  B60L2240/425 ,  H02P23/14 ,  H02P29/66 ,  Y02T10/642

    摘要： In accordance with exemplary embodiments, rotor temperature estimation is provided for estimating rotor temperatures of an electric motor in an electric vehicle. A method comprises estimating a rotor temperature in a controller for an electric motor of a vehicle using a fast-mode rotor temperature estimator for a time interval, and then deactivating the fast-mode rotor temperate estimator after the time interval and activating a normal-mode rotor temperature estimator in the controller for the electric motor of the vehicle. A system comprises an electric motor, a resistance rotor temperature estimator including a limit value limiting a temperature estimate increase for temperature estimates, and a controller for the electric motor, which uses the temperature estimate and is configured to temporarily increase the limit value of the resistance rotor temperature estimator providing a fast-mode rotor temperature estimate.

    摘要翻译： 根据示例性实施例，提供转子温度估计来估计电动车辆中的电动机的转子温度。 一种方法包括使用快速模式转子温度估计器对车辆的电动机的控制器中的转子温度进行一段时间间隔估计，然后在时间间隔之后停用快速模式转子温度估计器，并激活正常模式 用于车辆电动机的控制器中的转子温度估计器。 一种系统包括电动机，电阻转子温度估计器，其包括限制温度估计值的温度估计增加的限制值和用于电动机的控制器，该控制器使用该温度估计并且被配置为临时增加电阻的极限值 转子温度估计器提供快速模式转子温度估计。