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    • 3. 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。
    • 7. 发明授权
    • Semiconductor power converter
    • 半导体功率转换器
    • US07919941B2
    • 2011-04-05
    • US12193209
    • 2008-08-18
    • Shigehisa AoyagiYoshitaka IwajiKazuaki TobariKiyoshi SakamotoDonsheng Li
    • Shigehisa AoyagiYoshitaka IwajiKazuaki TobariKiyoshi SakamotoDonsheng Li
    • H02P23/00
    • H02M7/53873H02M2001/0009H02P21/00
    • A semiconductor power converter includes a power converter for converting direct current to three-phase alternating current or vice versa; a means for detecting a current in an alternating current side of the power converter; a means for providing a current reference in the alternating current side of the power converter; a current controller for calculating a voltage reference in the alternating current side of the power converter to match the current reference and a value of the detected current; and a pulse width modulation means for controlling the power converter through pulse width modulation based on the voltage reference, wherein the current reference is used in place of the value of the detected current for at least one phase current among three phase currents in the alternating current side.
    • 半导体功率转换器包括用于将直流电流转换为三相交流电的功率转换器,反之亦然; 用于检测电力转换器的交流侧的电流的装置; 用于在电力转换器的交流侧提供电流基准的装置; 电流控制器,用于计算所述功率转换器的交流侧的电压参考以匹配所述电流基准和所述检测电流的值; 以及脉冲宽度调制装置,用于通过基于所述参考电压的脉宽调制来控制所述功率转换器,其中使用所述电流基准代替所述交流电流中的三相电流中的至少一相电流的检测电流的值 侧。