公开(公告)号：US09195223B2

公开(公告)日：2015-11-24

申请号：US14301286

申请日：2014-06-10

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Noor Aamir Baloch ,  Kozo Ide ,  Shinya Morimoto

IPC: G05B13/00 ,  G05B13/04 ,  H02P21/13 ,  H02P21/14 ,  H02P23/12

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：US09509233B2

公开(公告)日：2016-11-29

申请号：US14663460

申请日：2015-03-20

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Kozo Ide ,  Tetsumi Narita ,  Seiji Fujisaki ,  Mamoru Takaki ,  Shinya Morimoto

IPC: H02M7/538 ,  H02M7/5387 ,  H02M3/156 ,  H02J3/38 ,  H02M7/5395 ,  H02M1/00

CPC classification number: H02M7/53871 ,  H02J3/385 ,  H02M3/156 ,  H02M7/5395 ,  H02M2001/0025 ,  H02M2001/007 ,  Y02E10/58

Abstract: A power converter according to embodiments includes a boost circuit, a single-phase inverter, a current controller, and a power conversion controller. The current controller generates a voltage reference based on a difference between current output from the single-phase inverter and a current reference. The power conversion controller controls the single-phase inverter to generate a first portion of the AC voltage, and controls the boost circuit to generate a second portion of the AC voltage. The first portion corresponds to the voltage reference of which an absolute value is smaller than the voltage of the DC power supply. The second portion corresponds to the voltage reference of which an absolute value is greater than the voltage of the DC power supply.

Abstract translation: 根据实施例的功率转换器包括升压电路，单相逆变器，电流控制器和电力转换控制器。 电流控制器基于来自单相逆变器的电流输出与电流基准之间的差异产生电压基准。 电力转换控制器控制单相逆变器以产生交流电压的第一部分，并且控制升压电路以产生交流电压的第二部分。 第一部分对应于绝对值小于直流电源的电压的基准电压。 第二部分对应于绝对值大于直流电源的电压的参考电压。

公开(公告)号：US09985545B2

公开(公告)日：2018-05-29

申请号：US15649792

申请日：2017-07-14

Applicant: Kabushiki Kaisha Yaskawa Denki

Inventor： Seiji Fujisaki ,  Sadao Ishii ,  Kozo Ide

IPC: H02M3/335 ,  H02M3/337

CPC classification number: H02M3/33576 ,  H02M3/28 ,  H02M3/33507 ,  H02M3/3376 ,  H02M2001/0048

Abstract: A DC-to-DC converter includes a first switching circuit, a second switching circuit, a transformer positioned between an AC side of the first switching circuit and an AC side of the second switching circuit, an inductance element positioned between the transformer and at least one of the AC side of the first switching circuit and the AC side of the second switching circuit, and control circuitry that operates the first switching circuit and the second switching circuit. The control circuitry sets a predetermined operation ratio of the first switching circuit and the second switching circuit to each other, and adjusts, based on the predetermined operation ratio, a first operation period of the first switching circuit and a second operation period of the second switching circuit.

公开(公告)号：US09190935B2

公开(公告)日：2015-11-17

申请号：US13859732

申请日：2013-04-10

Applicant: KABUSHIKI KAISHA YASKAWA DENKI

Inventor： Yoshiyasu Takase ,  Kozo Ide ,  Shinya Morimoto ,  Hideaki Iura ,  Takahiro Saeki

IPC: H02M5/458 ,  H02M7/68 ,  H02M5/44 ,  H02M7/219 ,  H02M7/797 ,  H02P9/04 ,  H02P21/00 ,  H02M1/16

CPC classification number: H02M7/68 ,  H02M1/16 ,  H02M5/44 ,  H02M5/4585 ,  H02M7/219 ,  H02M7/797 ,  H02P9/04 ,  H02P21/50

Abstract: A power regenerative converter includes: a power conversion unit configured to convert AC power supplied from an AC power supply into DC power and convert DC power into AC power to be supplied as regenerative electric power to the AC power supply; an LCL filter including a reactor unit having a plurality of reactors connected in series between the power conversion unit and the AC power supply, and capacitors each having one end connected to a series connection point of the reactors in the reactor unit; a drive control unit for controlling the power conversion unit based on an AC voltage command; and a voltage command compensation unit for calculating a compensation value in accordance with a capacitor voltage being a voltage at the series connection point of the reactors and adding the compensation value to the AC voltage command input to the drive control unit.

Abstract translation: 一种电力再生转换器包括：电力转换单元，被配置为将从AC电源提供的AC电力转换为DC电力，并将DC电力转换成AC电力，以将其作为再生电力提供给AC电源; LCL滤波器，包括具有串联连接在功率转换单元和AC电源之间的多个电抗器的电抗器单元，以及各自具有连接到电抗器单元中的电抗器的串联连接点的电容器; 驱动控制单元，用于基于AC电压命令来控制所述电力转换单元; 以及电压指令补偿单元，用于根据电抗器的串联连接点处的电压的电容器电压来计算补偿值，并将补偿值与输入到驱动控制单元的AC电压指令相加。