公开(公告)号：US20220034949A1

公开(公告)日：2022-02-03

申请号：US17443998

申请日：2021-07-29

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Kentaro INOMATA ,  Noor Aamir BALOCH ,  Tokuma NAKAMICHI ,  Hengbin RUI

IPC: G01R21/14 ,  G01R21/06 ,  G01K7/22 ,  H02P27/08

Abstract: A power conversion device includes a power conversion circuit including a temperature sensor configured to detect a temperature at a sensor position and a switch configured to switch a connection on and off at a switch position separated from the sensor position; a loss calculation processing circuitry configured to calculate a power loss in the switch; a loss correction processing circuitry configured to correct a calculation result of the power loss on the basis of a detection result of the temperature at the sensor position; a temperature correction processing circuitry configured to correct the detection result of the temperature on the basis of the calculation result of the power loss; and a temperature estimation processing circuitry configured to estimate a temperature at the switch position on the basis of a corrected calculation result of the power loss and a corrected detection result of the temperature.

公开(公告)号：US20140292248A1

公开(公告)日：2014-10-02

申请号：US14301286

申请日：2014-06-10

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Noor Aamir BALOCH ,  Kozo IDE ,  Shinya MORIMOTO

IPC: G05B13/04

CPC classification number: G05B13/04 ,  G05B13/042 ,  H02P21/13 ,  H02P21/18 ,  H02P23/12

Abstract: A motor controller includes a position speed estimation section and a control section. The position speed estimation section outputs a motor estimated position and a motor estimated speed based on a position estimated error, which is a difference between a motor position of a motor and the motor estimated position. An observer modifier outputs an observer modification value based on the position estimated error. A nonlinear compensator outputs a compensation torque based on the position estimated error. An operator outputs an operation value based on the observer modification value and the compensation torque. A motor model outputs the motor estimated position and the motor estimated speed based on the operation value. The control section outputs a torque command based on the motor estimated position, the motor estimated speed, and a position command to control the motor.

Abstract translation: 电动机控制器包括位置速度估计部和控制部。 位置速度估计部分基于作为电动机的电动机位置与电动机估计位置之间的差的位置估计误差来输出电动机估计位置和电动机估计速度。 观察者修改器基于位置估计误差输出观察者修改值。 非线性补偿器基于位置估计误差输出补偿转矩。 操作者根据观察者修正值和补偿扭矩输出操作值。 电机型号根据运行值输出电机的估计位置和电机的推定速度。 控制部输出基于马达估计位置，马达估计速度和用于控制马达的位置指令的转矩指令。

公开(公告)号：US20160134217A1

公开(公告)日：2016-05-12

申请号：US15001239

申请日：2016-01-20

Applicant: Yong-Cheol KWON ,  Seung-Ki SUL ,  KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Shinya MORIMOTO ,  Sohji MURAKAMI ,  Noor Aamir BALOCH ,  Motomichi OHTO ,  Yong-Cheol KWON ,  Seung-Ki SUL

IPC: H02P6/18 ,  H02P21/14 ,  H02K11/20 ,  H02K1/27 ,  H02K1/16

CPC classification number: H02P6/183 ,  H02K1/02 ,  H02K1/16 ,  H02K1/276 ,  H02K1/2766 ,  H02K11/20 ,  H02K21/16

Abstract: A motor includes a stator and a rotor that is arranged opposite to the stator through a predetermined air gap. The stator is such that a plurality of coils are wound around respective slots for each of a plurality of phases. In the stator, the number of turns of one of the plurality of coils is different from those of the others for each of the phases. In the rotor, among a plurality of magnetic poles formed of a plurality of permanent magnets arranged in a circumferential direction of a core, a magnetoresistance of at least one magnetic pole is different from those of the others.

Abstract translation: 电动机包括定子和转子，其通过预定的气隙与定子相对设置。 定子使得多个线圈围绕多个相中的每一个的相应的槽而缠绕。 在定子中，对于各相中的多个线圈中的一个线圈的匝数与其它线圈的匝数不同。 在转子中，在由多个永久磁铁构成的多个磁极中，磁芯沿圆周方向排列，至少一个磁极的磁电阻与其他磁极不同。

公开(公告)号：US20150115862A1

公开(公告)日：2015-04-30

申请号：US14592833

申请日：2015-01-08

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Noor Aamir BALOCH ,  Kozo IDE ,  Shinya MORIMOTO

IPC: G05B13/04 ,  G05B11/42 ,  H02P23/12

CPC classification number: G05B13/04 ,  G05B11/42 ,  G05B19/19 ,  G05B2219/41124 ,  G05B2219/41174 ,  G05B2219/41367 ,  G05B2219/41395 ,  H02P23/0004 ,  H02P23/12 ,  H02P23/14

Abstract: A motor control apparatus includes a position and speed estimator configured to output a new estimated motor position and an estimated motor speed based on a position estimation deviation that is a difference between an acquired motor position and an estimated motor position of a motor, and a controller configured to output a motor power command, which controls the motor, based on the estimated motor position, the estimated motor speed, and a position command. The position and speed estimator includes a motor model of the motor configured to output the estimated motor position and the estimated motor speed based on a predetermined calculation value, and a nonlinear compensator configured to output a compensation motor power based on the position estimation deviation to compensate an error of the motor model.

Abstract translation: 电动机控制装置包括位置和速度估计器，其被配置为基于作为所获取的电动机位置和电动机的估计的电动机位置之间的差的位置估计偏差输出新的估计电动机位置和估计的电动机速度，以及控制器 被配置为基于估计的电动机位置，所估计的电动机速度和位置命令输出控制电动机的电动机功率指令。 位置和速度估计器包括电动机的电动机模型，其被配置为基于预定的计算值输出估计的电动机位置和估计的电动机速度;以及非线性补偿器，被配置为基于位置估计偏差输出补偿电动机功率以进行补偿 电机型号的错误。