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1. 发明申请

US20090267550A1 Motor Control Device And Generator Control Device 有权
标题翻译：电机控制装置及发电机控制装置
公开(公告)号：US20090267550A1
公开(公告)日：2009-10-29
申请号：US12429515
申请日：2009-04-24
申请人： Hajime HIDA , Yoshio TOMIGASHI , Kenji UEYAMA
发明人： Hajime HIDA , Yoshio TOMIGASHI , Kenji UEYAMA
IPC分类号： H02P6/10 , H02P9/00
CPC分类号： H02P21/22
摘要： To estimate a fluctuation component of the torque generated at the motor accurately, a motor control device (3) which controls a motor with a stator having armature winding and a rotor having a permanent magnet is provided to include a torque fluctuation component estimation unit for estimating a torque fluctuation component generated at the motor based on flux-linkage of the armature winding and an armature current that flows the armature winding. The torque fluctuation component estimation unit estimates the torque fluctuation component, (Trp) based on an inner product (Fd·id+Fq·iq) of a flux-linkage vector which is a vectorial representation of the flux-linkage and a current vector which is a vectorial representation of the armature current.
摘要翻译：为了精确地估计在电动机上产生的扭矩的波动分量，设置控制具有电枢绕组的定子的电动机的电动机控制装置（3）和具有永久磁铁的转子，包括：扭矩波动分量估计单元，用于估计基于电枢绕组的磁通和在电枢绕组上流动的电枢电流在电动机上产生的转矩波动分量。转矩波动分量估计单元基于作为磁链的矢量表示的磁通矢量的内积（Fd.id + Fq.iq）和电流矢量来估计转矩波动成分（Trp）是电枢电流的矢量表示。

2. 发明申请

US20100072929A1 Motor Control Device 失效
标题翻译：电机控制装置
公开(公告)号：US20100072929A1
公开(公告)日：2010-03-25
申请号：US12629372
申请日：2009-12-02
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02H7/08
CPC分类号： H02P23/14 , H02P6/18 , H02P21/18
摘要： A motor control device that includes a first speed estimator estimating the rotation speed of the rotor of a permanent-magnet synchronous motor and that controls the motor so that a first estimated rotation speed estimated by the first speed estimator follows the specified speed value further includes a second speed estimator that estimates the rotation speed of the rotor by an estimation method different from that used by the first speed estimator. The motor control device detects synchronization failure based on a comparison between a second estimated rotation speed estimated by the second speed estimator and the first estimated rotation speed or the specified speed value.
摘要翻译：一种电动机控制装置，其包括估计永磁同步电动机的转子的转速并控制电动机的第一速度估计器，使得由第一速度估计器估计的第一估计转速遵循指定的速度值还包括第二速度估计器，其通过与第一速度估计器使用的估计方法不同的估计方法来估计转子的旋转速度。马达控制装置根据由第二速度估计器估计出的第二估计旋转速度与第一估计转速或指定速度值之间的比较来检测同步失效。

3. 发明申请

US20090021195A1 MOTOR CONTROL DEVICE AND MOTOR DRIVE SYSTEM 失效
标题翻译：电机控制装置和电动机驱动系统
公开(公告)号：US20090021195A1
公开(公告)日：2009-01-22
申请号：US11965060
申请日：2007-12-27
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P21/14
CPC分类号： H02P6/18 , H02P6/14 , H02P21/141 , H02P21/18 , H02P21/22
摘要： Let an axis parallel to a magnetic flux produced by a permanent magnet provided on a rotor of a motor be called a d-axis, let an axis leading the d-axis by an electrical angle of 90 degrees be called a q-axis, and let control axes corresponding to the d-axis and the q-axis be called a γ-axis and a δ-axis, respectively. Then, a motor control device performs vector control of the motor with the γ-axis and the δ-axis made different from the d-axis and the q-axis, respectively, and with a motor current passing through the motor broken down into a γ-axis current on the γ-axis and a δ-axis current on the δ-axis. The motor control device has an estimator that estimates, as an estimated magnetic flux, a flux linkage of an armature winding of the motor, or estimates, as an estimated induction voltage, an induction voltage generated by the flux linkage and the rotation of the motor; and a specified current value deriving portion that derives, by using the estimated magnetic flux or the estimated induction voltage, a specified γ-axis current value to be followed by the γ-axis current.
摘要翻译：将设置在电动机转子上的由永久磁铁产生的磁通平行的轴称为d轴，将d轴引导90度的电角称为q轴，将将对应于d轴和q轴的控制轴分别称为γ轴和delta轴。然后，马达控制装置执行马达的矢量控制，其中γ轴和δ轴分别与d轴和q轴不同，并且电动机电流分别通过马达分解为 γ轴上的γ轴电流和delta轴上的delta轴电流。电动机控制装置具有作为估计磁通量估计电动机的电枢绕组的磁链或者估计作为估计的感应电压的由磁通联动产生的感应电压和电动机的旋转的估计器 ; 以及通过使用所估计的磁通量或所估计的感应电压来得到所述γ轴电流后的规定的γ轴电流值的规定的电流值导出部。

4. 发明申请

US20080197799A1 MOTOR CONTROL DEVICE 有权
标题翻译：电机控制装置
公开(公告)号：US20080197799A1
公开(公告)日：2008-08-21
申请号：US12032482
申请日：2008-02-15
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P21/14 , H02P27/08
CPC分类号： H02P6/18 , H02P21/22 , H02P25/03
摘要： The motor control device includes a current detecting portion for detecting a phase current that flows in an armature winding of a stator of a three-phase motor based on current that flows between an inverter for driving the motor and a DC power supply. The motor control device performs a position sensorless vector control for the motor based on a control current that is obtained by a three-phase to two-phase conversion of the phase current based on an estimated rotor position of the motor. The motor control device farther includes a superposing portion for superposing a superposed voltage having a predetermined frequency on a drive voltage for driving the motor and an estimating portion for deriving the estimated rotor position based on the superposed current that is extracted from the control current and flows in the motor in accordance with the superposed voltage. A voltage vector locus of the superposed voltage from the superposing portion presents an ellipse.
摘要翻译：电动机控制装置包括电流检测部分，用于基于在用于驱动电动机的逆变器和直流电源之间流动的电流来检测在三相电动机的定子的电枢绕组中流动的相电流。电动机控制装置基于通过基于电动机的估计转子位置的相电流的三相到二相转换获得的控制电流来执行电动机的无位置传感器矢量控制。电动机控制装置还包括叠加部分，用于将具有预定频率的叠加电压叠加在用于驱动电动机的驱动电压上，以及估计部分，用于基于从控制电流提取的叠加电流导出估计的转子位置并流动在电机中按照叠加电压。来自叠加部分的叠加电压的电压矢量轨迹呈现椭圆形。

5. 发明申请

US20110309781A1 Motor Control Device And Motor Drive System 有权
标题翻译：电机控制装置及电机驱动系统
公开(公告)号：US20110309781A1
公开(公告)日：2011-12-22
申请号：US12818654
申请日：2010-06-18
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P23/00
CPC分类号： H02P27/06 , H02P21/13 , H02P21/14 , H02P23/0004 , H02P27/08
摘要： Provided is a motor control device including a voltage specifying unit which generates a specified voltage signal indicating a target value of an applied voltage to a motor on the basis of a specified current signal indicating a target value of supplied current to the motor, so as to control the motor in accordance with the specified voltage signal. An update unit is further provided, which sequentially updates a specified field current signal that is a field current component of the specified current signal to be given to the voltage specifying unit on the basis of difference information between a value of the specified voltage signal and a limit voltage value defined as an upper limit value of the applied voltage. The update unit includes a low pass filter. The specified field current signal after the update is generated on the basis of a signal obtained by passing the specified field current signal before the update through the low pass filter and the difference information. Otherwise, the specified field current signal after the update is generated on the basis of a signal obtained by passing an intermediate signal derived from the specified field current signal before the update and the difference information through the low pass filter.
摘要翻译：提供一种电动机控制装置，其包括：电压指定单元，其基于指示向电动机提供的电流的目标值的指定电流信号，生成指示施加电压的目标值的指定电压信号，以便根据指定的电压信号控制电机。还提供更新单元，其基于指定电压信号的值和指定电压信号之间的差异信息顺序地更新作为要提供给电压指定单元的指定电流信号的场电流分量的指定场电流信号定义为施加电压的上限值的极限电压值。更新单元包括低通滤波器。基于通过低通滤波器和差分信息通过在更新之前通过指定的场电流信号而获得的信号来生成更新后的指定场电流信号。否则，基于通过在更新之前通过从指定的励磁电流信号导出的中间信号和通过低通滤波器得到差分信号而获得的信号，生成更新后的指定的励磁电流信号。

6. 发明申请

US20100060211A1 Inverter Control Apparatus And Motor Drive System 有权
标题翻译：变频器控制装置及电机驱动系统
公开(公告)号：US20100060211A1
公开(公告)日：2010-03-11
申请号：US12554652
申请日：2009-09-04
申请人： Eiichiro HASHIMOTO , Yoshio TOMIGASHI
发明人： Eiichiro HASHIMOTO , Yoshio TOMIGASHI
IPC分类号： H02P21/00
CPC分类号： H02P27/08 , H02P21/22
摘要： An inverter control apparatus that controls a three-phase inverter which transforms a direct-current voltage into an alternating three-phase voltage, the inverter control apparatus includes: a voltage command vector generation portion that generates a first voltage command vector for specifying a vector of a voltage to be applied to a three-phase load that is connected to the inverter; a voltage command vector correction portion that in performing overmodulation with the inverter, corrects the first voltage command vector by setting a limit onto a coordinate-axis component of the first voltage command vector on an ab coordinate system to generate a second voltage command vector, wherein the inverter is so controlled that a voltage depending on the second voltage command vector is applied to the load, and the ab coordinate system is a coordinated system that depending on a phase of the first voltage command vector with respect to a predetermined fixed axis on a two-dimensional fixed coordinate system, rotates in stepwise fashion for every 60 degrees in electrical angle with respect to the fixed coordinate system.
摘要翻译：逆变器控制装置控制将直流电压变换为交流三相电压的三相逆变器，逆变器控制装置包括：电压指令矢量生成部，其生成用于指定矢量的矢量的第一电压指令矢量施加到连接到逆变器的三相负载的电压; 电压指令矢量校正部，其在与所述逆变器进行过调制的情况下，通过在所述ab坐标系上对所述第一电压指令矢量的坐标轴分量设定极限来修正所述第一电压指令矢量，生成第二电压指令矢量，其中，逆变器受到控制，使得根据第二电压指令矢量的电压被施加到负载，而ab坐标系是一个协调系统，其依赖于第一电压指令矢量相对于预定的固定轴的相位二维固定坐标系相对于固定坐标系以电角度每60度逐步旋转。

7. 发明申请

US20080061728A1 MOTOR CONTROL DEVICE AND CURRENT DETECTING UNIT 失效
标题翻译：电机控制装置和电流检测单元
公开(公告)号：US20080061728A1
公开(公告)日：2008-03-13
申请号：US11853643
申请日：2007-09-11
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P21/14 , H02P27/08
CPC分类号： H02P21/06 , H02M7/217
摘要： A current detecting unit detects three phase current of a three-phase inverter from current flowing between the inverter and a DC power supply. The current detecting unit includes a specified voltage vector generating portion that generates a specified voltage vector indicating a voltage vector that three-phase voltage of the inverter should follow, and a specified voltage vector correcting portion that corrects the generated specified voltage vector. The inverter is controlled in accordance with the specified voltage vector after the correction.
摘要翻译：电流检测单元从逆变器和直流电源之间流动的电流检测三相逆变器的三相电流。电流检测单元包括指定的电压矢量产生部分，该电压矢量产生部分产生指示逆变器应该遵循的三相电压的电压矢量的指定电压矢量，以及校正所产生的指定电压矢量的指定电压矢量校正部分。校正后根据指定的电压矢量控制变频器。

8. 发明申请

US20110133678A1 MOTOR CONTROL DEVICE, MOTOR DRIVE SYSTEM AND INVERTER CONTROL DEVICE 审中-公开
标题翻译：电机控制装置，电动机驱动系统和逆变器控制装置
公开(公告)号：US20110133678A1
公开(公告)日：2011-06-09
申请号：US12964365
申请日：2010-12-09
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P6/18
CPC分类号： H02P27/08 , G01R19/0092 , H02M7/5395 , H02M2001/0009 , H02M2007/53876 , H02P21/22
摘要： An inverter control device includes a phase current detection unit which is connected to a current sensor. The current sensor detects current flowing between a three-phase inverter which converts a DC voltage into AC three-phase voltages and a DC power supply which outputs the DC voltage, and the phase current detection unit detects phase current flowing in each phase of the inverter from a result of detection by the current sensor, so as to control the inverter on the basis of a result of detection by the phase current detection unit. The phase current detection unit includes an estimation block which estimates phase current of an intermediate voltage phase or current corresponding to the phase current of the intermediate voltage phase as a first estimated current, and estimates phase current of a maximum voltage phase or phase current of a minimum voltage phase using the first estimated current so that each phase current can be detected.
摘要翻译：逆变器控制装置包括连接到电流传感器的相电流检测单元。电流传感器检测在将直流电压转换为交流三相电压的三相逆变器和输出直流电压的直流电源之间流过的电流，相电流检测单元检测在逆变器的各相中流动的相电流根据电流传感器的检测结果，根据相电流检测部的检测结果控制逆变器。相电流检测单元包括估计块，其估计与中间电压相位的相电流相对应的中间电压相位的电流或作为第一估计电流的相位电流的相电流，并且估计相位电流的相电流使用第一估计电流的最小电压相位，使得可以检测每个相电流。

9. 发明申请

US20100045218A1 Motor Control Device 有权
标题翻译：电机控制装置
公开(公告)号：US20100045218A1
公开(公告)日：2010-02-25
申请号：US12543802
申请日：2009-08-19
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P21/04 , H02P6/20 , H02P6/18
CPC分类号： H02P6/185 , H02P6/183 , H02P21/18 , H02P21/32 , H02P2203/11
摘要： To estimate an initial magnetic pole position in a short time, estimated axes for control that correspond to the d-axis and the q-axis are set as the γ-axis and the d-axis, and a high frequency rotation voltage or alternating voltage on the γδ coordinate system is applied to the motor. A high frequency current ih that flows in the motor due to the application of the high frequency voltage is extracted from a detected motor current (armature current) and a direct current component (ihγ×ihd)DC of a product of the γ-axis and d-axis components of the high frequency current ih is derived. On the other hand, the γ′-axis component ichγ and the δ′-axis component ichd of the high frequency current ih that are shifted by p/4 in electric angle from the γ-axis and the d-axis are obtained and a direct current component of their product (ichγ×ichd)DC is obtained. Thereafter, the magnetic pole position is estimated by computing the axial error Δθ between the γ-d axes utilizing the two direct current components.
摘要翻译：为了在短时间内估计初始磁极位置，将与d轴和q轴对应的控制的估计轴设定为γ轴和d轴，将高频旋转电压或交流电压在γδ坐标系上应用于电机。从检测到的电动机电流（电枢电流）和γ轴的乘积的直流成分（ihγ×ihd）DC中提取由于施加高频电压而在电动机中流动的高频电流ih 导出高频电流ih的d轴分量。另一方面，获得从γ轴和d轴以电角度偏移p / 4的高频电流ih的γ'轴分量ichγ和δ'轴分量ichd，并且得到其产品的直流分量（ichγ×ichd）DC。此后，通过计算轴向误差“D”和“等于”来估计磁极位置; 在利用两个直流分量的γ-d轴之间。

10. 发明申请

US20090026988A1 Motor Control Device 失效
标题翻译：电机控制装置
公开(公告)号：US20090026988A1
公开(公告)日：2009-01-29
申请号：US12178983
申请日：2008-07-24
申请人： Yoshio TOMIGASHI
发明人： Yoshio TOMIGASHI
IPC分类号： H02P21/14
CPC分类号： H02P21/14 , H02M2001/0009 , H02P21/10 , H02P21/141 , H02P27/08
摘要： A motor control device includes a motor current detector for detecting motor current flowing in a three-phase motor based on current flowing between an inverter driving the motor and a DC power supply, a specified voltage vector generating portion for generating a specified voltage vector indicating a voltage vector to which an applied voltage to the motor should follow based on a magnetic flux linkage of an armature winding of the motor, a specified voltage vector correcting portion for correcting the generated specified voltage vector, and a magnetic flux estimating portion for estimating the magnetic flux linkage based on the motor current and the specified voltage vector after the correction. The motor control device controls the motor via the inverter in accordance with the specified voltage vector after the correction.
摘要翻译：电动机控制装置包括电动机电流检测器，用于基于在驱动电动机的逆变器和DC电源之间流动的电流检测在三相电动机中流动的电动机电流的电动机电流检测器，用于产生指定电压矢量的指定电压矢量的指定电压矢量产生部分基于电动机的电枢绕组的磁通量，用于校正所产生的指定电压矢量的指定电压矢量校正部分和用于估计磁场的磁通量估计部分，向电动机施加电压的电压矢量，基于电机电流的磁链和校正后的指定电压矢量。电机控制装置经校正后根据指定的电压矢量通过变频器控制电动机。

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