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    • 8. 发明授权
    • Torque ripple suppression control device for permanent magnet motor and electric power steering system
    • 用于永磁电动机和电动助力转向系统的扭矩波纹抑制控制装置
    • US08410735B2
    • 2013-04-02
    • US13009007
    • 2011-01-19
    • Kazuaki TobariYoshitaka IwajiJunnosuke NakatsugawaRikio YoshikawaMasamichi Yagai
    • Kazuaki TobariYoshitaka IwajiJunnosuke NakatsugawaRikio YoshikawaMasamichi Yagai
    • H02P21/00
    • H02P21/05
    • A torque ripple suppression control device for a permanent magnet motor includes a current command conversion unit that outputs a current command value, a position detector that detects a rotational position of the permanent magnet motor, a current detection unit that detects a current at the permanent magnet motor, an induced voltage coefficient setting unit that outputs an information signal related to an induced voltage coefficient for an induced voltage at the permanent magnet motor, a torque ripple suppression operation unit that outputs a current correction command value for the permanent magnet motor, a current control operation unit that outputs a voltage command value based upon addition results obtained by adding together the current command value and the current correction command value and the current detection value, and a power converter that outputs a voltage with which the permanent magnet motor is to be driven.
    • 用于永磁电动机的转矩脉动抑制控制装置包括输出电流指令值的电流指令转换单元,检测永磁电动机的转动位置的位置检测器,检测永久磁铁电流的电流检测单元 电动机,感应电压系数设定单元,输出与永磁电动机的感应电压的感应电压系数有关的信息信号;输出永磁电动机的电流校正指令值的转矩脉动抑制运算部, 控制操作单元,其基于通过将当前指令值和当前校正指令值与当前检测值相加而获得的加法结果输出电压指令值,以及输出永磁电动机的电压的功率转换器 驱动。