公开(公告)号：US20190214933A1

公开(公告)日：2019-07-11

申请号：US16332294

申请日：2017-09-29

Applicant: AISIN AW CO., LTD.

Inventor： Subrata SAHA ,  Arinori SHIMADA ,  Yuki SUGIYAMA ,  Masaya KOKUBO

IPC: H02P27/08 ,  H02P21/30 ,  H02P21/22 ,  H02P29/024 ,  H02P3/22 ,  B60L3/00 ,  H02M7/5387

CPC classification number: H02P27/08 ,  B60L3/003 ,  B60L3/0061 ,  H02M7/48 ,  H02M7/53871 ,  H02P3/22 ,  H02P21/22 ,  H02P21/30 ,  H02P29/027

Abstract: An inverter control device that controls an inverter as a control target, the inverter being connected to a direct-current power supply and connected to an alternating-current rotating electrical machine so as to convert power between direct current and alternating current of a plurality of phases, and the inverter having an arm for each alternating-current phase, the arm including a series circuit of an upper-stage switching element and a lower-stage switching element, the inverter control device including an electronic control unit.

公开(公告)号：US20200220479A1

公开(公告)日：2020-07-09

申请号：US16637987

申请日：2018-09-28

Applicant: AISIN AW CO., LTD.

Inventor： Masashi MIYAZAKI ,  Subrata SAHA ,  Isao FUJIWARA ,  Yuki SUGIYAMA

IPC: H02M7/5387 ,  H02P27/08 ,  H02M1/32 ,  H02P29/024 ,  B60L53/22

Abstract: An inverter control device that controls an inverter connected to a direct-current power supply and connected to an alternating-current rotating electrical machine to convert electric power between direct current and alternating current of a plurality of phases, the inverter control device including an electronic control unit that is configured to perform, in a state in which one switching element of a plurality of switching elements included in the inverter has a turn-off failure in which the switching element always goes into an off state, torque reduction control for reducing torque of the rotating electrical machine or deceleration control for outputting torque in a reverse direction from a rotation direction of the rotating electrical machine by performing switching control of the plurality of switching elements.

公开(公告)号：US20180083565A1

公开(公告)日：2018-03-22

申请号：US15562145

申请日：2016-06-02

Applicant: AISIN AW CO., LTD.

Inventor： Subrata SAHA ,  Yasuyuki SATO ,  Chaeduck CHON ,  Yuki SUGIYAMA

IPC: H02P27/08 ,  H02P6/14

CPC classification number: H02P27/085 ,  H02M7/5395 ,  H02P6/14

Abstract: A rotating electrical machine control device with an electronic control unit that is programmed to: switch a modulation method between asynchronous modulation in which switching of the inverter is controlled by modulated pulses generated based on a carrier having a first carrier frequency which is not synchronous with rotation of the rotating electrical machine and synchronous modulation in which switching of the inverter is controlled by modulated pulses generated in synchronization with rotation of the rotating electrical machine, the switching of the modulation method between the asynchronous modulation and the synchronous modulation being performed according to an operating condition of the rotating electrical machine which includes at least a rotational speed of the rotating electrical machine.

公开(公告)号：US20170305274A1

公开(公告)日：2017-10-26

申请号：US15517753

申请日：2015-11-13

Applicant: AISIN AW CO., LTD.

Inventor： Subrata SAHA ,  Takashi YOSHIDA ,  Yuki SUGIYAMA ,  Yoichi TAJIMA ,  Masaya KOKUBO

IPC: B60L3/00 ,  H02P3/24 ,  H02H7/122 ,  B60L11/18 ,  B60L3/04 ,  H02P27/08 ,  H02H7/18

CPC classification number: B60L3/003 ,  B60L3/0061 ,  B60L3/04 ,  B60L50/51 ,  H02H7/1227 ,  H02H7/18 ,  H02P3/24 ,  H02P27/06 ,  H02P27/08 ,  H02P29/027

Abstract: An inverter control device that controls a rotary electric machine drive device that includes an inverter with a plurality of switching elements, where the active short circuit control is executed in a high rotational speed region, and the shut-down control is executed in a low rotational speed region, which is on a low rotational speed side with respect to the high rotational speed region, in accordance with at least a rotational speed of the rotary electric machine.