公开(公告)号：US08330402B2

公开(公告)日：2012-12-11

申请号：US12690904

申请日：2010-01-20

申请人： Kozo Ide ,  Shinya Morimoto ,  Masanobu Inazumi ,  Young Doo Yoon ,  Seung-ki Sul

发明人： Kozo Ide ,  Shinya Morimoto ,  Masanobu Inazumi ,  Young Doo Yoon ,  Seung-ki Sul

IPC分类号： H02P21/00

CPC分类号： H02P21/32 ,  H02P21/18 ,  H02P2203/11

摘要： An alternating-current motor control apparatus includes a voltage controller configured to output a command voltage vector so that the command voltage vector is time-averaged for time periods, a square-wave voltage generator configured to control, every time period, amplitudes and phases of voltages to be applied to an alternating-current motor, a current detector configured to detect motor currents at a timing synchronized with periods 1/N-th of the time periods, where N is equal to or larger than one, a coordinate transformation section configured to perform coordinate transformation to transform the motor currents into two-phase currents, an envelope extractor configured to extract two-phase currents as waveforms having amplitudes that periodically change from the two-phase currents, and extract envelopes of the waveforms, and a magnetic-pole-position computing section configured to compute a magnetic-pole position using the envelopes.

摘要翻译： 交流电动机控制装置包括：电压控制器，其被配置为输出指令电压矢量，使得指令电压矢量对于时间段进行时间平均;方波电压发生器，被配置为控制每个时间段的幅度和相位 施加到交流电动机的电压;电流检测器，被配置为在与N等于或大于1的时间段的时间段1 / N之间同步的定时检测电动机电流;坐标变换部分配置 执行坐标变换以将电动机电流转换为两相电流;包络提取器，被配置为将两相电流提取为具有从两相电流周期性变化的幅度的波形，并提取波形的包络线; 磁极位置计算部件，被配置为使用所述包络来计算磁极位置。

公开(公告)号：US08450955B2

公开(公告)日：2013-05-28

申请号：US12778991

申请日：2010-05-12

申请人： Kozo Ide ,  Shinya Morimoto ,  Sungmin Kim ,  Seung-ki Sul

发明人： Kozo Ide ,  Shinya Morimoto ,  Sungmin Kim ,  Seung-ki Sul

IPC分类号： H02P21/00

CPC分类号： H02P21/06 ,  Y02P80/116

摘要： An alternating-current motor control apparatus includes an inverter unit, a current-command divider, a current controller, a torque-variation calculator, and a phase angle generator. The current-command divider is configured to divide a command current amplitude into command current components based on a phase-angle command value that is a sum of the phase angle and an alternating current signal. The torque-variation calculator is configured to calculate a motor electric power based on the command voltage and either the motor current or the command current components and to calculate a torque variation based on the motor electric power. The phase angle generator is configured to generate a phase angle based on the torque variation.

摘要翻译： 交流电动机控制装置包括逆变器单元，电流指令分配器，电流控制器，转矩变化计算器和相位角发生器。 电流指令分频器被配置为基于作为相位角和交流信号之和的相位角指令值将指令电流幅度除以指令电流分量。 扭矩变化计算器被配置为基于指令电压和电动机电流或指令电流分量来计算电动机功率，并且基于电动机功率来计算转矩变化。 相位角发生器被配置为基于转矩变化产生相位角。

公开(公告)号：US20100308757A1

公开(公告)日：2010-12-09

申请号：US12778991

申请日：2010-05-12

申请人： Kozo IDE ,  Shinya Morimoto ,  Sungmin Kim ,  Seung-ki Sul

发明人： Kozo IDE ,  Shinya Morimoto ,  Sungmin Kim ,  Seung-ki Sul

IPC分类号： H02P21/00

CPC分类号： H02P21/06 ,  Y02P80/116

摘要： An alternating-current motor control apparatus includes an inverter unit, a current-command divider, a current controller, a torque-variation calculator, and a phase angle generator. The inverter unit is configured to output a command voltage to an alternating-current motor. The current-command divider is configured to divide a command current amplitude into command current components based on a phase-angle command value that is a sum of the phase angle and an alternating current signal. The current controller is configured to control current to match a motor current flowing through the motor with the command current components. The torque-variation calculator is configured to calculate a motor electric power based on the command voltage and either the motor current or the command current components and to calculate a torque variation based on the motor electric power. The phase angle generator is configured to generate a phase angle based on the torque variation.

摘要翻译： 交流电动机控制装置包括逆变器单元，电流指令分配器，电流控制器，转矩变化计算器和相位角发生器。 逆变器单元被配置为向交流电动机输出指令电压。 电流指令分频器被配置为基于作为相位角和交流信号之和的相位角指令值将指令电流幅度除以指令电流分量。 电流控制器被配置为控制电流以使流过电动机的电动机电流与指令电流分量相匹配。 扭矩变化计算器被配置为基于指令电压和电动机电流或指令电流分量来计算电动机功率，并且基于电动机功率来计算转矩变化。 相位角发生器被配置为基于转矩变化产生相位角。

公开(公告)号：US20080309268A1

公开(公告)日：2008-12-18

申请号：US12088146

申请日：2006-09-08

申请人： Shinya Morimoto ,  Hyun-Soo Song ,  Mamoru Takaki ,  Kozo Ide

发明人： Shinya Morimoto ,  Hyun-Soo Song ,  Mamoru Takaki ,  Kozo Ide

IPC分类号： H02P6/08

CPC分类号： H02P6/22 ,  H02P6/18 ,  H02P6/20 ,  H02P25/024

摘要： The present invention provides an initial pole position estimating apparatus and method for an AC synchronous motor without using magnetic pole detector. The initial pole position estimating apparatus includes a thrust force or torque pattern generating portion for generating a thrust force or torque pattern, a pole position command generating portion for generating a pole position command, and a position detecting portion for detecting a position of the AC synchronous motor. The initial pole position estimating apparatus can estimate an initial pole position in a short time with high precision without depending on a fluctuation in a load. The initial pole position estimating apparatus further includes a pole position correcting portion (8) for correcting the pole position command and a thrust force or torque pattern correcting portion (9) for correcting the thrust force or torque pattern, and an initial pole position is estimated through a repetitive correction.

摘要翻译： 本发明提供一种不使用磁极检测器的交流同步电动机的初始极位置估计装置和方法。 初始极位置估计装置包括用于产生推力或转矩模式的推力或转矩模式产生部分，用于产生极位置指令的极位置指令产生部分和用于检测AC同步位置的位置检测部分 发动机。 初始极位置估计装置可以在不依赖于负载的波动的情况下以高精度在短时间内估计初始极点位置。 初始极位置估计装置还包括用于校正极位置指令的极位置校正部分（8）和用于校正推力或转矩模式的推力或扭矩模式校正部分（9），并且估计初始极位置 通过重复校正。

公开(公告)号：US07872438B2

公开(公告)日：2011-01-18

申请号：US12088146

申请日：2006-09-08

申请人： Shinya Morimoto ,  Hyun-Soo Song ,  Mamoru Takaki ,  Kozo Ide

发明人： Shinya Morimoto ,  Hyun-Soo Song ,  Mamoru Takaki ,  Kozo Ide

IPC分类号： H02P1/46

CPC分类号： H02P6/22 ,  H02P6/18 ,  H02P6/20 ,  H02P25/024

摘要： The present invention provides an initial pole position estimating apparatus and method for an AC synchronous motor without using magnetic pole detector. The initial pole position estimating apparatus includes a thrust force or torque pattern generating portion for generating a thrust force or torque pattern, a pole position command generating portion for generating a pole position command, and a position detecting portion for detecting a position of the AC synchronous motor. The initial pole position estimating apparatus can estimate an initial pole position in a short time with high precision without depending on a fluctuation in a load. The initial pole position estimating apparatus further includes a pole position correcting portion (8) for correcting the pole position command and a thrust force or torque pattern correcting portion (9) for correcting the thrust force or torque pattern, and an initial pole position is estimated through a repetitive correction.

摘要翻译： 本发明提供一种不使用磁极检测器的交流同步电动机的初始极位置估计装置和方法。 初始极位置估计装置包括用于产生推力或转矩模式的推力或转矩模式产生部分，用于产生极位置指令的极位置指令产生部分和用于检测AC同步位置的位置检测部分 发动机。 初始极位置估计装置可以在不依赖于负载的波动的情况下以高精度在短时间内估计初始极点位置。 初始极位置估计装置还包括用于校正极位置指令的极位置校正部分（8）和用于校正推力或转矩模式的推力或扭矩模式校正部分（9），并且估计初始极位置 通过重复校正。

公开(公告)号：US08143839B2

公开(公告)日：2012-03-27

申请号：US12555808

申请日：2009-09-09

申请人： Kozo Ide ,  Sadayuki Sato ,  Hideaki Iura ,  Shinya Morimoto

发明人： Kozo Ide ,  Sadayuki Sato ,  Hideaki Iura ,  Shinya Morimoto

IPC分类号： H02P27/04 ,  H02P27/00 ,  H02P6/00 ,  H02P21/00

CPC分类号： H02P21/141 ,  H02P21/13 ,  H02P21/14 ,  H02P21/18 ,  H02P21/22 ,  H02P23/0004

摘要： An alternating-current motor control apparatus includes a stator frequency computing unit configured to compute a stator frequency of a motor magnetic flux; a torque error computing unit configured to compute a torque error by using the motor magnetic flux, an estimated current, and a motor current; and a speed estimator configured to estimate a speed of the alternating-current motor by using the stator frequency and the torque error. The speed estimator includes a proportional controller configured to reduce the torque error to zero, and an adaptive filter configured to eliminate a high-frequency component of the torque error.

摘要翻译： 一种交流电动机控制装置，具备：电动机磁通的定子频率的定子频率计算部; 扭矩误差计算单元，被配置为通过使用电动机磁通量，估计电流和电动机电流来计算转矩误差; 以及速度估计器，被配置为通过使用定子频率和转矩误差来估计交流电动机的速度。 速度估计器包括被配置为将扭矩误差减小到零的比例控制器，以及被配置为消除扭矩误差的高频分量的自适应滤波器。

公开(公告)号：US20100079103A1

公开(公告)日：2010-04-01

申请号：US12555808

申请日：2009-09-09

申请人： Kozo IDE ,  Sadayuki Sato ,  Hideaki Iura ,  Shinya Morimoto

发明人： Kozo IDE ,  Sadayuki Sato ,  Hideaki Iura ,  Shinya Morimoto

IPC分类号： H02P27/08

CPC分类号： H02P21/141 ,  H02P21/13 ,  H02P21/14 ,  H02P21/18 ,  H02P21/22 ,  H02P23/0004

摘要： An alternating-current motor control apparatus includes a stator frequency computing unit configured to compute a stator frequency of a motor magnetic flux; a torque error computing unit configured to compute a torque error by using the motor magnetic flux, an estimated current, and a motor current; and a speed estimator configured to estimate a speed of the alternating-current motor by using the stator frequency and the torque error. The speed estimator includes a proportional controller configured to reduce the torque error to zero, and an adaptive filter configured to eliminate a high-frequency component of the torque error.

摘要翻译： 一种交流电动机控制装置，具备：电动机磁通的定子频率的定子频率计算部; 扭矩误差计算单元，被配置为通过使用电动机磁通量，估计电流和电动机电流来计算转矩误差; 以及速度估计器，被配置为通过使用定子频率和转矩误差来估计交流电动机的速度。 速度估计器包括被配置为将扭矩误差减小到零的比例控制器，以及被配置为消除扭矩误差的高频分量的自适应滤波器。

公开(公告)号：US06242885B1

公开(公告)日：2001-06-05

申请号：US09446892

申请日：1999-12-30

申请人： Kozo Ide ,  Shinya Morimoto ,  Ryuichi Oguro

发明人： Kozo Ide ,  Shinya Morimoto ,  Ryuichi Oguro

IPC分类号： H02P2100

CPC分类号： H02P21/22

摘要： A three-phase-to-two-phase converter detects two-phase currents of three-phase stator currents, converts the stator currents into a &ggr;-&dgr; coordinate system to derive a &ggr;-axis current and a &dgr;-axis current. The &ggr;-axis current, the &dgr;-axis current, and voltage command values outputted respectively from a &ggr;-axis current controller and a &dgr;-axis current controller are entered to a stator current and induced electromotive force estimator, which determines estimated values of the stator currents and estimated values of an induced electromotive force in the &ggr;-&dgr; coordinate system.

摘要翻译： 三相到二相转换器检测三相定子电流的两相电流，将定子电流转换成伽玛三角洲坐标系以导出伽马轴电流和三角形电流。 将分别从γ轴电流控制器和delta轴电流控制器输出的γ轴电流，Δ轴电流和电压指令值输入到定子电流和感应电动势估计器，该电动势估计器确定 定子电流和γ-δ坐标系中感应电动势的估计值。

公开(公告)号：US06804130B2

公开(公告)日：2004-10-12

申请号：US10332509

申请日：2003-01-10

申请人： Shinya Morimoto

发明人： Shinya Morimoto

IPC分类号： H02M75387

CPC分类号： H02P29/02 ,  H02P21/22 ,  H02P23/0004 ,  H02P27/047

摘要： It is an object of the invention to provide an inverter apparatus capable of instantaneously limiting a current to prevent the breakdown of a device and operating an electric motor efficiently and stably. The invention provides an inverter apparatus for carrying out a PWM modulation to output a voltage based on a voltage command vector obtained from a frequency command value Fref and a voltage command value calculated from the frequency command value by a V/f operation 7, comprising current detecting means 12a for detecting a current vector having a magnitude I1 of a current and a current phase &thgr;i, voltage limitation value calculating means 15 for calculating a voltage limitation value &Dgr;V which is proportional to an excess when the magnitude of the current exceeds a current limitation value Imax, voltage limitation vector calculating means 16 for converting the voltage limitation value into voltage limitation vectors &Dgr;Vq and &Dgr;Vd based on the current phase, voltage correcting means 17 for adding the voltage limitation vector to the voltage command vector, and acceleration correcting means 11 for correcting an acceleration command of a frequency based on the voltage limitation value and the current phase.

摘要翻译： 本发明的目的是提供一种能够瞬时限制电流以防止装置故障并且有效和稳定地操作电动机的逆变器装置。本发明提供了一种用于执行PWM调制以输出电压的逆变器装置 基于从频率指令值Fref获得的电压指令矢量和由V / f操作7从频率指令值计算出的电压指令值，包括用于检测具有电流I1的电流矢量的电流检测装置12a，以及 电流相位计算装置15，用于计算当电流的大小超过电流限制值Imax时与过量成正比的电压限制值DeltaV;电压限制值计算装置16，用于将电压限制值转换成 电压限制矢量DeltaVq和DeltaVd基于电流相位，电压校正 用于将电压限制矢量加到电压指令矢量的装置17，以及用于基于电压限制值和当前相位校正频率的加速度指令的加速度校正装置11。

公开(公告)号：US08525466B2

公开(公告)日：2013-09-03

申请号：US13597257

申请日：2012-08-29

申请人： Mamoru Takaki ,  Shinya Morimoto ,  Masaki Hisatsune

发明人： Mamoru Takaki ,  Shinya Morimoto ,  Masaki Hisatsune

IPC分类号： G05B11/28

CPC分类号： H02M7/53875 ,  H02P21/00

摘要： This inverter device includes a power portion performing PWM control on a voltage command to a motor for each set time period, converting direct-current power into alternating-current power, and outputting the same, a voltage command generation portion generating a voltage command in synchronization with a period N-times (N≧1) longer than the time period, an interval determination portion generating an interval determination signal which is ON during a half period of the time period and OFF during the next half period, a current detection portion detecting the current of the motor at timing of change in the interval determination signal, and a voltage correction portion generating a voltage correction value such that the amount of change in the detected current when the interval determination signal is ON becomes equal to the amount of change in the detected current when it is OFF and correcting the voltage command.

摘要翻译： 该逆变器装置包括对每个设定时间段对电动机的电压指令执行PWM控制的电力部分，将直流电力转换为交流电力，并输出该电力部分，同步产生电压指令的电压指令生成部 以比时间段长的时间N次（N> = 1），间隔确定部分产生在该时间段的半个周期期间为ON的间隔确定信号，以及在下一个半周期期间为OFF;当前检测部分 在间隔判定信号的变化定时检测电动机的电流，以及产生电压校正值的电压校正部，使得当间隔判定信号为ON时，检测电流的变化量等于变化量 在OFF时检测电流，并修正电压指令。