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    • 1. 发明授权
    • Sensorless AC motor controller
    • 无传感器交流电机控制器
    • US09007004B2
    • 2015-04-14
    • US13882905
    • 2010-11-01
    • Gregory Peter Hunter
    • Gregory Peter Hunter
    • H02P6/00H02P6/12H02P21/00H02P21/14
    • H02P6/001H02P6/34H02P21/0003H02P21/18H02P21/26
    • A controller for an AC electric motor, includes a Feed Forward Torque Controller and a load model. The Torque controller directly derives a torque related component of applied motor voltages from a signal representing a torque command input T* and at least one motor parameter. The load model derives a motor speed value including a model of motor speed behavior of the AC electric motor to provide an output signal which represents the motor speed of the AC electric motor. This motor speed output signal is used in determining a frequency of rotation of an applied motor voltage vector. Where an input to the load model is the signal representing the torque command input T*, the load model uses the signal representing the torque command T*, at least over a part of an operating speed range of the AC motor which includes zero speed, to determine the motor speed output signal.
    • 用于交流电动机的控制器包括前馈扭矩控制器和负载模型。 扭矩控制器直接从表示扭矩指令输入T *的信号和至少一个电动机参数得出所施加的电动机电压的转矩相关分量。 负载模型导出包括交流电动机的电动机速度特性模型的电动机速度值,以提供表示交流电动机的电动机速度的输出信号。 该电动机速度输出信号用于确定所施加的电动机电压矢量的旋转频率。 在负载模型的输入是表示转矩指令输入T *的信号的情况下,负载模型至少在包括零速度的交流电动机的运行速度范围的一部分上使用表示转矩指令T *的信号, 确定电机转速输出信号。
    • 2. 发明申请
    • SENSORLESS AC MOTOR CONTROLLER
    • 无感交流电机控制器
    • US20130221885A1
    • 2013-08-29
    • US13882905
    • 2010-11-01
    • Gregory Peter Hunter
    • Gregory Peter Hunter
    • H02P6/00
    • H02P6/001H02P6/34H02P21/0003H02P21/18H02P21/26
    • A controller for an AC electric motor, includes a Feed Forward Torque Controller and a load model. The Torque controller directly derives a torque related component of applied motor voltages from a signal representing a torque command input T* and at least one motor parameter. The load model derives a motor speed value including a model of motor speed behaviour of the AC electric motor to provide an output signal which represents the motor speed of the AC electric motor. This motor speed output signal is used in determining a frequency of rotation of an applied motor voltage vector. Where an input to the load model is the signal representing the torque command input T*, the load model uses the signal representing the torque command T*, at least over a part of an operating speed range of the AC motor which includes zero speed, to determine the motor speed output signal.
    • 用于交流电动机的控制器包括前馈扭矩控制器和负载模型。 扭矩控制器直接从表示扭矩指令输入T *的信号和至少一个电动机参数得出所施加的电动机电压的转矩相关分量。 负载模型导出包括交流电动机的电动机速度特性模型的电动机速度值,以提供表示交流电动机的电动机速度的输出信号。 该电动机速度输出信号用于确定所施加的电动机电压矢量的旋转频率。 在负载模型的输入是表示转矩指令输入T *的信号的情况下,负载模型至少在包括零速度的交流电动机的运行速度范围的一部分上使用表示转矩指令T *的信号, 确定电机转速输出信号。