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    • 1. 发明公开
    • DEVICE AND METHOD FOR ROTATING ELECTRIC MACHINE
    • 旋转电机的装置和方法
    • EP2413492A1
    • 2012-02-01
    • EP09842138.1
    • 2009-03-25
    • Mitsubishi Electric Corporation
    • ITO, MasatoKIMPARA, YoshihikoTANIMOTO, Masanori
    • H02P21/00H02P27/04
    • H02P6/185H02P21/18H02P21/24
    • Control means (5) for outputting voltage instructions for drive control of an electric rotating machine (1) adds, by using adders (23u to 23w), position estimation voltage instructions for estimating the rotor position generated by a position estimation voltage generator (12), to drive voltage instructions, and outputs the resultant signals as voltage instructions. Position estimation means (4) include current extractors (6u to 6w) for extracting position estimation currents having the same frequency components as that of the position estimation voltage instructions, from electric rotating machine currents detected by a current detection means (2), a position estimation current amplitude calculation section (7) for calculating position estimation current amplitudes from the position estimation currents; and an estimation position calculation unit (8) for calculating an estimated position of the electric rotating machine (1), based on the position estimation current amplitudes. The position estimation current amplitude calculation section (7) calculates the position estimation current amplitudes, based on an autocorrelation obtained by squaring the position estimation currents.
    • 用于输出用于旋转电机(1)的驱动控制的电压指令的控制装置(5)通过使用加法器(23u至23w)将用于估计由位置估计电压发生器(12)产生的转子位置的位置估计电压指令相加, 驱动电压指令,并将结果信号作为电压指令输出。 位置估计装置(4)包括:电流提取器(6u至6w),用于从电流检测装置(2)检测到的旋转电机电流中提取具有与位置估计电压指令相同的频率分量的位置估计电流;位置估计装置 估计电流振幅计算部分(7),用于从位置估计电流计算位置估计电流幅度; 以及估计位置计算单元(8),用于基于所述位置估计电流幅度来计算所述旋转电机(1)的估计位置。 位置估计电流幅度计算部(7)基于通过对位置估计电流进行平方而获得的自相关来计算位置估计电流幅度。
    • 3. 发明授权
    • CONTROLLER FOR AC ROTARY MACHINE
    • 交流旋转机械控制器
    • EP2413494B1
    • 2017-12-06
    • EP09842146.4
    • 2009-03-26
    • Mitsubishi Electric Corporation
    • KIMPARA, YoshihikoITO, MasatoTANIMOTO, Masanori
    • H02P29/032H02P21/00
    • H02P21/0003H02P29/032
    • To obtain a controller for an AC rotary machine which performs a smooth drive from a low-speed region including zero speed to a high-speed region, and which can attain, even if an initial value error is present in an estimated phase, desired characteristics by promptly converging the error. To this end, provided are adaptive observation means 7 for outputting an estimated magnetic flux phase ¸0, an estimated current vector Isest, an estimated magnetic flux vector Phest, and an estimated speed wr0, based on a voltage instruction vector Vsref, a current deviation vector ”Is, and an amplified deviation vector E0; deviation vector calculation means 8 for calculating the current deviation vector ”Is between the estimated current vector Isest and a detected current vector Is from current vector detection means 3, and a magnetic flux deviation vector ”Phi between the estimated magnetic flux vector Phest and a detected magnetic flux vector Phi from magnetic flux vector detection means 6; and deviation amplifying means 9 for amplifying the current deviation vector ”Is and the magnetic flux deviation vector ”Phi, and outputting the result as the amplified deviation vector E0.