公开(公告)号：US20110050140A1

公开(公告)日：2011-03-03

申请号：US12805840

申请日：2010-08-20

申请人： Toshifumi Sakai ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Yoshiyuki Taguchi ,  Daigo Kaneko

发明人： Toshifumi Sakai ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Yoshiyuki Taguchi ,  Daigo Kaneko

IPC分类号： H02P6/18

CPC分类号： H02P9/30 ,  H02M7/53873 ,  H02P6/18 ,  H02P9/009 ,  H02P21/18

摘要： When applying a high frequency voltage which alternates on positive and negative sides to a permanent magnet synchronous motor, a driving system of synchronous motor switches the applied voltage phase by 120 degrees successively and applies resultant voltages to three phases. A pulsating current generated by applying a high frequency voltage is detected at timing of elapse of a predetermined time Δt since an output voltage of at least one phase has changed from a state in which all output voltages of the three phases of a power converter are positive or negative. Current detection is conducted by using a DC resistor or a phase current sensor provided on a DC bus. A magnetic pole estimation unit calculates the rotor magnetic pole position of the permanent magnet synchronous motor on the basis of differences between positive side and negative side change quantities in three-phase currents obtained from detected current values.

摘要翻译： 当施加在正极和负极侧交替永磁同步电动机的高频电压时，同步电动机的驱动系统连续地将施加的电压相位切换120度，并将合成的电压施加到三相。 由于至少一相的输出电压已经从功率转换器的三相的所有输出电压的状态发生变化，所以在经过预定时间＆Dgr; t的定时检测施加高频电压而产生的脉动电流 是正或负。 通过使用直流母线上提供的直流电阻或相电流传感器进行电流检测。 磁极估计单元根据从检测到的电流值得到的三相电流的正侧和负侧的变化量之差，来计算永磁同步电动机的转子磁极位置。

公开(公告)号：US08541971B2

公开(公告)日：2013-09-24

申请号：US12805840

申请日：2010-08-20

申请人： Toshifumi Sakai ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Yoshiyuki Taguchi ,  Daigo Kaneko

发明人： Toshifumi Sakai ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Yoshiyuki Taguchi ,  Daigo Kaneko

IPC分类号： G05B11/28

CPC分类号： H02P9/30 ,  H02M7/53873 ,  H02P6/18 ,  H02P9/009 ,  H02P21/18

摘要： When applying a high frequency voltage which alternates on positive and negative sides to a permanent magnet synchronous motor, a driving system of synchronous motor switches the applied voltage phase by 120 degrees successively and applies resultant voltages to three phases. A pulsating current generated by applying a high frequency voltage is detected at timing of elapse of a predetermined time Δt since an output voltage of at least one phase has changed from a state in which all output voltages of the three phases of a power converter are positive or negative. Current detection is conducted by using a DC resistor or a phase current sensor provided on a DC bus. A magnetic pole estimation unit calculates the rotor magnetic pole position of the permanent magnet synchronous motor on the basis of differences between positive side and negative side change quantities in three-phase currents obtained from detected current values.

摘要翻译： 当施加在正极和负极侧交替永磁同步电动机的高频电压时，同步电动机的驱动系统连续地将施加的电压相位切换120度，并将合成电压施加到三相。 在经过预定时间Deltat的定时检测由施加高频电压产生的脉动电流，因为至少一相的输出电压已经从功率转换器的三相的所有输出电压都为正的状态改变 或负数。 通过使用直流母线上提供的直流电阻或相电流传感器进行电流检测。 磁极估计单元根据从检测到的电流值得到的三相电流的正侧和负侧的变化量之差，来计算永磁同步电动机的转子磁极位置。

公开(公告)号：US07276876B2

公开(公告)日：2007-10-02

申请号：US11206211

申请日：2005-08-18

申请人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

发明人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

IPC分类号： H02P27/04

CPC分类号： H02P6/18 ,  H02P21/18 ,  H02P2203/01 ,  H02P2207/05

摘要： A synchronous motor driving apparatus having a power converter which applies AC variable voltages having variable frequency to a synchronous motor includes a pulsating current application unit for applying pulsating current to the synchronous motor and a magnetic pole position presumption unit. The magnetic pole position presumption unit detects two current values ΔIdcp1 and ΔIdcp2 on the positive side and two current values ΔIdcn1 and ΔIdcn2 on the negative side of the pulsating current and presumes the magnetic pole position of the synchronous motor on the basis of difference between change rates of ΔIdcp1→ΔIdcp2 and ΔIdcp1→ΔIdcp2.

摘要翻译： 具有向同步电动机施加可变频率的交流可变电压的电力转换器的同步电动机驱动装置包括用于向同步电动机施加脉动电流的脉动电流施加单元和磁极位置推定单元。 磁极位置推测单元在脉动电流的负侧检测正极侧的两个电流值DeltaIdcp 1和DeltaIdcp 2，并且在脉动电流的负侧检测两个电流值DeltaIdcn 1和DeltaIdcn 2，并且基于同步电动机的磁极位置 DeltaIdcp 1 - > DeltaIdcp 2和DeltaIdcp 1 - > DeltaIdcp 2的变化率之间的差异。

公开(公告)号：US20060113948A1

公开(公告)日：2006-06-01

申请号：US11206211

申请日：2005-08-18

申请人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

发明人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

IPC分类号： H02P1/46

CPC分类号： H02P6/18 ,  H02P21/18 ,  H02P2203/01 ,  H02P2207/05

摘要： A synchronous motor driving apparatus having a power converter which applies AC variable voltages having variable frequency to a synchronous motor includes a pulsating current application unit for applying pulsating current to the synchronous motor and a magnetic pole position presumption unit. The magnetic pole position presumption unit detects two current values ΔIdcp1 and ΔIdcp2 on the positive side and two current values ΔIdcn1 and ΔIdcn2 on the negative side of the pulsating current and presumes the magnetic pole position of the synchronous motor on the basis of difference between change rates of ΔIdcp1→ΔIdcp2 and ΔIdcp1→ΔIdcp2.

摘要翻译： 具有向同步电动机施加可变频率的交流可变电压的电力转换器的同步电动机驱动装置包括用于向同步电动机施加脉动电流的脉动电流施加单元和磁极位置推定单元。 磁极位置推测单元在脉动电流的负侧检测正极侧的两个电流值DeltaIdcp 1和DeltaIdcp 2，并且在脉动电流的负侧检测两个电流值DeltaIdcn 1和DeltaIdcn 2，并且基于同步电动机的磁极位置 DeltaIdcp 1 - > DeltaIdcp 2和DeltaIdcp 1 - > DeltaIdcp 2的变化率之间的差异。

公开(公告)号：US07030589B2

公开(公告)日：2006-04-18

申请号：US10787435

申请日：2004-02-27

申请人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

发明人： Daigo Kaneko ,  Yoshitaka Iwaji ,  Kiyoshi Sakamoto ,  Tsunehiro Endo ,  Tomofumi Okubo

IPC分类号： H02P27/04

CPC分类号： H02P6/185 ,  H02P21/18 ,  H02P21/32 ,  H02P2203/01

摘要： An AC motor control apparatus that is applicable to commonly used PM motors and capable of detecting the magnetic pole position with simple algorithm. The AC motor control apparatus comprises an inverter for applying arbitrary AC power to an AC motor and a controller for sending a control signal to the inverter. The controller comprises a ripple current generator for supplying a ripple current to the AC motor and a magnetic pole position estimator. The magnetic pole position estimator observes at least two current values of the ripple current for both positive and negative sides of the ripple current to estimate the magnetic pole position of the AC motor.

摘要翻译： 一种适用于常用PM电机并能够用简单算法检测磁极位置的交流电动机控制装置。 AC电动机控制装置包括用于向AC电动机施加任意AC电力的逆变器和用于向逆变器发送控制信号的控制器。 控制器包括用于向交流电动机提供纹波电流的纹波电流发生器和磁极位置估计器。 磁极位置估计器观察纹波电流的正侧和负侧纹波电流的至少两个电流值，以估计交流电机的磁极位置。

公开(公告)号：US20120146567A1

公开(公告)日：2012-06-14

申请号：US13316841

申请日：2011-12-12

申请人： Yoshitaka IWAJI ,  Daigo Kaneko ,  Kento Mochizuki ,  Takeshi Shinomiya ,  Daisuke Kori ,  Seikichi Masuda

发明人： Yoshitaka IWAJI ,  Daigo Kaneko ,  Kento Mochizuki ,  Takeshi Shinomiya ,  Daisuke Kori ,  Seikichi Masuda

IPC分类号： H02P23/00

CPC分类号： H02P29/02

摘要： To prevent demagnetization of a permanent magnet synchronous rotating machine, a rotating machine control device according to the present invention is a rotating machine control device comprising: a power converter having a switch part on each of a positive side and a negative side for each phase; and short circuit detection unit for detecting a short circuit of the switch part, wherein a command to turn on positive-side switches and negative-side switches of a plurality of phases of the switch part is issued in the case where the short circuit detection unit detects the short circuit.

摘要翻译： 为了防止永磁同步旋转电机的退磁，根据本发明的旋转机械控制装置是一种旋转机械控制装置，包括：功率转换器，其具有用于每相的正侧和负侧的开关部分; 以及短路检测单元，用于检测开关部分的短路，其中在短路检测单元的情况下，发出接通开关部分的多相的正侧开关和负侧开关的指令 检测短路。

公开(公告)号：US20110204831A1

公开(公告)日：2011-08-25

申请号：US13030168

申请日：2011-02-18

申请人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kouki Yamamoto

发明人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kouki Yamamoto

IPC分类号： H02P25/00

CPC分类号： H02P21/04 ,  B60L15/025 ,  B60L15/08 ,  B60L2200/26 ,  B60L2210/20 ,  H02P6/182 ,  H02P21/141 ,  H02P21/18 ,  Y02T10/643 ,  Y02T10/725

摘要： Provided is a drive device for an alternating current motor which performs vector control on sensorless driving of the alternating current motor in an extremely low speed region without applying a harmonic voltage intentionally while maintaining an ideal PWM waveform. A current and a current change rate of the alternating current motor are detected, and a magnetic flux position inside of the alternating current motor is estimated and calculated in consideration of an output voltage of an inverter which causes this current change. The current change rate is generated on the basis of a pulse waveform of the inverter, and hence the magnetic flux position inside of the alternating current motor can be estimated and calculated without applying a harmonic wave intentionally.

摘要翻译： 提供一种用于交流电动机的驱动装置，其在极低速区域内对无刷电机驱动交流电动机进行矢量控制，而不用有意地施加谐波电压同时保持理想的PWM波形。 检测交流电动机的电流和电流变化率，考虑到导致该电流变化的逆变器的输出电压，来估计和计算交流电动机内部的磁通位置。 基于逆变器的脉冲波形产生电流变化率，因此可以有意地使用谐波来估计和计算交流电动机内部的磁通位置。

公开(公告)号：US08760095B2

公开(公告)日：2014-06-24

申请号：US13316841

申请日：2011-12-12

申请人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kento Mochizuki ,  Takeshi Shinomiya ,  Daisuke Kori ,  Seikichi Masuda

发明人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kento Mochizuki ,  Takeshi Shinomiya ,  Daisuke Kori ,  Seikichi Masuda

IPC分类号： H02P6/14

CPC分类号： H02P29/02

摘要： To prevent demagnetization of a permanent magnet synchronous rotating machine, a rotating machine control device according to the present invention is a rotating machine control device comprising: a power converter having a switch part on each of a positive side and a negative side for each phase; and short circuit detection unit for detecting a short circuit of the switch part, wherein a command to turn on positive-side switches and negative-side switches of a plurality of phases of the switch part is issued in the case where the short circuit detection unit detects the short circuit.

摘要翻译： 为了防止永磁同步旋转电机的退磁，根据本发明的旋转机械控制装置是一种旋转机械控制装置，包括：功率转换器，其具有用于每相的正侧和负侧的开关部分; 以及短路检测单元，用于检测开关部分的短路，其中在短路检测单元的情况下，发出接通开关部分的多相的正侧开关和负侧开关的指令 检测短路。

公开(公告)号：US08674647B2

公开(公告)日：2014-03-18

申请号：US13030168

申请日：2011-02-18

申请人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kouki Yamamoto

发明人： Yoshitaka Iwaji ,  Daigo Kaneko ,  Kouki Yamamoto

IPC分类号： H02P6/00

CPC分类号： H02P21/04 ,  B60L15/025 ,  B60L15/08 ,  B60L2200/26 ,  B60L2210/20 ,  H02P6/182 ,  H02P21/141 ,  H02P21/18 ,  Y02T10/643 ,  Y02T10/725

摘要： Provided is a drive device for an alternating current motor which performs vector control on sensorless driving of the alternating current motor in an extremely low speed region without applying a harmonic voltage intentionally while maintaining an ideal PWM waveform. A current and a current change rate of the alternating current motor are detected, and a magnetic flux position inside of the alternating current motor is estimated and calculated in consideration of an output voltage of an inverter which causes this current change. The current change rate is generated on the basis of a pulse waveform of the inverter, and hence the magnetic flux position inside of the alternating current motor can be estimated and calculated without applying a harmonic wave intentionally.

摘要翻译： 提供一种用于交流电动机的驱动装置，其在极低速区域内对无刷电机驱动交流电动机进行矢量控制，而不用有意地施加谐波电压同时保持理想的PWM波形。 检测交流电动机的电流和电流变化率，考虑到导致该电流变化的逆变器的输出电压，来估计和计算交流电动机内部的磁通位置。 基于逆变器的脉冲波形产生电流变化率，因此可以有意地使用谐波来估计和计算交流电动机内部的磁通位置。

公开(公告)号：US07719226B2

公开(公告)日：2010-05-18

申请号：US11964752

申请日：2007-12-27

申请人： Kazuaki Tobari ,  Yoshitaka Iwaji ,  Daigo Kaneko ,  Hajime Uematsu ,  Masakazu Hase

发明人： Kazuaki Tobari ,  Yoshitaka Iwaji ,  Daigo Kaneko ,  Hajime Uematsu ,  Masakazu Hase

IPC分类号： H02P23/00

CPC分类号： H02P21/14

摘要： Current command values are used instead of detected current values to estimate axis error by calculation. An axis error command value is generated according to a speed command value, and a difference between the generated axis error command value and the estimated axis error value is used to control an estimated frequency value.

摘要翻译： 使用电流指令值代替检测的电流值，通过计算来估计轴误差。 根据速度指令值生成轴误差指令值，并且使用所生成的轴误差指令值与估计轴误差值之间的差来控制估计的频率值。