公开(公告)号：US10006784B2

公开(公告)日：2018-06-26

申请号：US15061297

申请日：2016-03-04

Applicant: DENSO CORPORATION

Inventor： Takuya Kawamura ,  Hirofumi Kinjou ,  Toru Wakimoto ,  Hideaki Nakayama ,  Masataka Yoshimura

IPC: G01B7/00 ,  G01R33/025 ,  G01D5/14 ,  G01D3/036

CPC classification number: G01D5/145 ,  G01D3/0365 ,  G01D5/24485

Abstract: A correction circuit stores data for obtaining coefficients of a relational expression indicating a relationship between a disturbance magnetic flux and a rotational angle error. Then, the coefficients are obtained from the data for obtaining the coefficients, and a detection result of a magnetic sensor is corrected based on the coefficients obtained, a relational expression, and a detection result of a disturbance magnetic flux detection circuit. Since it is possible to obtain the rotational angle error with respect to the disturbance magnetic flux from the coefficient obtained and the relational expression, it is not necessary to store the data indicating the relationship between the disturbance magnetic flux and the rotational angle error for all of the disturbance magnetic flux value in disturbance magnetic flux regions that may be applied.

公开(公告)号：US11171591B2

公开(公告)日：2021-11-09

申请号：US16838324

申请日：2020-04-02

Applicant: DENSO CORPORATION

Inventor： Akeru Ishikawa ,  Takuya Kawamura ,  Hideaki Nakayama ,  Koji Irie

IPC: H02P6/00 ,  H02P21/22 ,  H02P25/024 ,  B60L9/18 ,  H02P9/04

Abstract: A control apparatus sets a value of the field current command and a value of the armature related command in accordance with drive information and the setting information stored in the storage unit; the value of the field current command and the value of the armature related command correspond to the obtained drive information. The control apparatus controls a field current flowing through the field winding to the set value of the field current command, and controls a current flowing through the armature winding or a voltage applied to the armature winding to the set value of the armature related command.

公开(公告)号：US09979329B2

公开(公告)日：2018-05-22

申请号：US14504886

申请日：2014-10-02

Applicant: DENSO CORPORATION

Inventor： Masakazu Tago ,  Harumi Horihata ,  Hideaki Nakayama

IPC: H02P23/14 ,  H02P8/14 ,  H02P6/12 ,  H02P6/00 ,  H02P6/28 ,  H02P101/45

CPC classification number: H02P6/28 ,  H02P2101/45

Abstract: In a power converting device, a controller determines a combination pattern of a first energization pattern for the first set of the at least one-phase winding and a second energization pattern for the second set of the at least one-phase winding. The first and second energization patterns respectively include at least a first energization duration for the first set of the at least one-phase winding and a second energization duration for the second set of the at least one-phase winding. The controller supplies a drive pulse signal, whose on duration is based on the determined combination pattern, to the switch to thereby control on-off operations of the switch.

公开(公告)号：US20150091481A1

公开(公告)日：2015-04-02

申请号：US14504886

申请日：2014-10-02

Applicant: DENSO CORPORATION

Inventor： Masakazu TAGO ,  Harumi Horihata ,  Hideaki Nakayama

IPC: H02P6/00

CPC classification number: H02P6/28 ,  H02P2101/45

Abstract: In a power converting device, a controller determines a combination pattern of a first energization pattern for the first set of the at least one-phase winding and a second energization pattern for the second set of the at least one-phase winding. The first and second energization patterns respectively include at least a first energization duration for the first set of the at least one-phase winding and a second energization duration for the second set of the at least one-phase winding. The controller supplies a drive pulse signal, whose on duration is based on the determined combination pattern, to the switch to thereby control on-off operations of the switch.

Abstract translation: 在电力转换装置中，控制器确定用于所述至少一相绕组的第一组的第一通电模式和所述至少一相绕组的第二组的第二通电模式的组合模式。 第一和第二通电模式分别包括至少一个第一组绕组的第一通电持续时间和至少一个相绕组的第二组的第二通电持续时间。 控制器将开启持续时间基于确定的组合模式的驱动脉冲信号提供给开关，从而控制开关的开关操作。

公开(公告)号：US09748883B2

公开(公告)日：2017-08-29

申请号：US15018273

申请日：2016-02-08

Applicant: DENSO CORPORATION

Inventor： Kazutoshi Shiomi ,  Hideaki Nakayama ,  Kiyoshi Fujii

IPC: H02P21/00 ,  H02P25/022 ,  H02P9/08

CPC classification number: H02P25/022 ,  H02P9/08 ,  H02P25/024

Abstract: A rotating electrical machine has a rotor having a field winding and a stator having an armature winding. A control device adjusts a field current flowing in the field winding and an armature current flowing in the armature winding. The armature current flowing in the armature winding is expressed by using a current vector having a d-axis current and a q-axis current in a d-q coordinate system. In a case in which the control device increases the d-axis current to generate a magnetic flux in a direction which is opposite to a direction to generate a magnetic flux by a field current, the control device gradually reduces the d-axis current during a predetermined period of time after increasing the d-axis current in the direction opposite to the direction to generate the magnetic flux by the field current.

公开(公告)号：US09312683B2

公开(公告)日：2016-04-12

申请号：US14514583

申请日：2014-10-15

Applicant: DENSO CORPORATION

Inventor： Hideaki Nakayama ,  Harumi Horihata

IPC: H02P11/00 ,  H02H7/06 ,  H02P9/00 ,  H02J11/00 ,  H02P9/10 ,  H02P9/48 ,  H02K16/02

CPC classification number: H02H7/067 ,  B60L11/1803 ,  B60L11/1868 ,  B60L15/025 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/429 ,  B60L2240/529 ,  H02J7/0054 ,  H02J7/1423 ,  H02J7/1461 ,  H02J7/163 ,  H02J11/00 ,  H02J2007/143 ,  H02M1/32 ,  H02P9/10 ,  H02P9/48 ,  H02P2101/45 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7066

Abstract: A vehicle-mounted electric rotating machine includes a field winding wound on a rotor for magnetizing a field pole of the rotor, a stator winding for generating an AC voltage in accordance with a rotating magnetic field generated by the field pole, a power converter for converting the AC voltage to a DC voltage and outputting the DC voltage through a first power supply line connected to an output terminal thereof, and a load dump handling section for performing a load dump protection operation when a voltage of the output terminal of the power converter exceeds a threshold voltage. The load dump handling section is supplied with operating power through a second power supply line provided separately from the first power supply line.

Abstract translation: 一种车载旋转电动机，其特征在于，包括绕在转子上的磁场绕组，用于磁化转子的磁场，根据由磁场产生的旋转磁场产生交流电压的定子绕组，转换器 AC电压到DC电压，并通过连接到其输出端的第一电源线输出DC电压;以及负载突降处理部，用于当电力转换器的输出端的电压超过时进行负载突降保护动作 阈值电压。 通过与第一电源线分开设置的第二电源线，对负载突降处理部分提供工作电力。

公开(公告)号：US10608566B2

公开(公告)日：2020-03-31

申请号：US15746531

申请日：2016-07-21

Applicant: DENSO CORPORATION

Inventor： Jun Ishida ,  Hideaki Nakayama

IPC: H02P6/00 ,  H02P21/05 ,  H02P6/32 ,  H02P6/08 ,  H02P27/04

Abstract: A control apparatus for a rotary electric machine includes at least one of a first corrector and a second corrector. The first corrector corrects a first command voltage as a function of a deviation between a command value for a field current and an actual value of the field current. The second corrector corrects a second command voltage as a function of a deviation between a command value for a d-axis component of an armature current and an actual value of the d-axis component of the armature current. At least one of the first corrector and the second corrector makes the d-axis component of the armature current and the field current non-interfere with each other.

公开(公告)号：US10378922B2

公开(公告)日：2019-08-13

申请号：US15544612

申请日：2016-01-13

Applicant: DENSO CORPORATION

Inventor： Takuya Kawamura ,  Hirofumi Kinjou ,  Toru Wakimoto ,  Hideaki Nakayama ,  Masataka Yoshimura

IPC: G01D5/14 ,  G01D5/244

Abstract: A rotation angle detection apparatus includes a magnet that is provided to a rotating shaft of a rotating body and rotates with the rotating shaft to generate magnetic flux and a magnetic sensor that is provided at a distance from the magnet and detects a magnetic flux interlinked with the magnetic sensor. The rotation angle detection apparatus has a magnet magnetic flux detection circuit that detects a magnet magnetic flux generated from the magnet, a disturbance magnetic flux detection circuit that detects a disturbance magnetic flux, which is a magnetic flux other than the magnet magnetic flux and is interlinked with the magnetic sensor, and a correction circuit that corrects a result of detection of the magnetic sensor based on a result of detection of the magnet magnetic flux detection circuit and a result of detection of the disturbance magnetic flux detection circuit.

公开(公告)号：US09847744B2

公开(公告)日：2017-12-19

申请号：US14919152

申请日：2015-10-21

Applicant: DENSO CORPORATION

Inventor： Kiyoshi Fujii ,  Hideaki Nakayama

IPC: H02P21/00 ,  H02P21/22 ,  B60L15/02 ,  B60L15/20 ,  H02P25/22 ,  H02P27/06 ,  H02P21/20

CPC classification number: H02P21/22 ,  B60L15/025 ,  B60L15/2045 ,  B60L2220/54 ,  B60L2240/427 ,  B60L2240/527 ,  B60L2240/529 ,  H02P21/0003 ,  H02P21/20 ,  H02P25/22 ,  H02P27/06 ,  Y02T10/641 ,  Y02T10/643 ,  Y02T10/72 ,  Y02T10/7283

Abstract: A control unit applied to a motor that includes a rotor having a field winding and a rotor having armature winding groups to control a field current passed through the field winding. Each of the armature winding groups is applied with a prescribed voltage. The field current is controlled so as to be a minimum field current value If_min with which a deviation between an amplitude of an induced voltage generated in the armature winding groups by rotation of the rotor, and an amplitude of the voltage applied to the armature winding groups becomes equal to or smaller than a prescribed value.