JP2009055657A5 - - Google Patents
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- JP2009055657A5 JP2009055657A5 JP2007217391A JP2007217391A JP2009055657A5 JP 2009055657 A5 JP2009055657 A5 JP 2009055657A5 JP 2007217391 A JP2007217391 A JP 2007217391A JP 2007217391 A JP2007217391 A JP 2007217391A JP 2009055657 A5 JP2009055657 A5 JP 2009055657A5
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- motor
- drive circuit
- terminal voltage
- phase
- failure
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- 238000001514 detection method Methods 0.000 claims 7
Claims (9)
さらに、前記モータ駆動回路のショート故障を検出するショート故障検出手段と、
前記モータの端子に接続されて、その各相の中で少なくとも１相の端子電圧を検出するモータ端子電圧検出手段と、
を備え、
前記ショート故障検出手段により前記モータ駆動回路のショート故障が検出された場合に、前記モータ駆動回路と前記モータとのいずれかに故障があると判定して、前記駆動素子制御手段により前記駆動素子の駆動をすべて停止し、
前記モータ端子電圧検出手段により少なくとも１相の前記端子電圧を検出し、
この検出された端子電圧に基づいた値により故障のある部位を特定することを特徴とするモータの制御装置。 A plurality of drive elements, respectively and supplies the motor drive circuit of each phase to the drive current of the remote over motor by the driving of the plurality of driving elements, and the drive device control means for driving and controlling the drive device, In a motor control device for controlling the motor,
Furthermore, a short circuit fault detecting means for detecting a short circuit fault of the motor drive circuit,
Motor terminal voltage detecting means connected to the motor terminal for detecting at least one terminal voltage in each phase;
With
When the short failure of the motor drive circuit is detected by the short failure detection means, it is determined that there is a failure in either the motor drive circuit or the motor, and the drive element control means Stop all driving,
Detecting the terminal voltage of at least one phase by the motor terminal voltage detecting means;
A motor control device, wherein a faulty part is specified by a value based on the detected terminal voltage.
当該リレーにより前記モータ駆動回路から前記モータに供給される駆動電流を遮断し、
前記端子電圧に基づいた値と所定の閾値との比較を所定回数繰り返し実施し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合、前記モータに故障があると判定し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値以下の場合、前記モータ駆動回路に故障があると判定することを特徴とする請求項１に記載のモータの制御装置。 Furthermore, the relay is connected to the output of the motor drive circuit and conducts or cuts off the drive current supplied to the motor,
The relay cuts off the drive current supplied to the motor from the motor drive circuit by the relay,
A comparison between a value based on the terminal voltage and a predetermined threshold is repeatedly performed a predetermined number of times,
When the number of times that the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that the motor has a failure,
Wherein when the number of times exceeds a threshold value based on the terminal voltage is equal to or less than a predetermined value, the control apparatus for a motor according to claim 1, characterized in that determining that there is a failure in the motor drive circuit.
前記端子電圧に基づいた値と所定の閾値との比較を所定回数繰り返し実施し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合に、前記モータ駆動回路の当該の相に故障があると判定することを特徴とする請求項２に記載のモータの制御装置。 When it is determined that there is a failure in the motor drive circuit, the relay connected to any one-phase output of the motor drive circuit is conducted,
A comparison between a value based on the terminal voltage and a predetermined threshold is repeatedly performed a predetermined number of times,
3. The motor according to claim 2 , wherein when the number of times the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that there is a failure in the phase of the motor drive circuit. Control device.
さらに、前記モータ駆動回路の第１及び第２の相の出力に接続されて、前記モータに供給される駆動電流を導通、又は遮断するリレーを備え、
前記モータ端子電圧検出手段は、前記３相モータの各相の端子に接続され、そして前記ショート故障検出手段の検出結果により、前記モータ駆動回路と前記モータのいずれかに故障があると判定されたとき、
前記リレーにより前記モータ駆動回路の第１及び第２の相から前記モータに供給される駆動電流を遮断し、
前記端子電圧に基づいた値と所定の閾値との比較を所定回数繰り返し実施し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合、前記モータに故障があると判定し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値以下の場合、前記モータ駆動回路に故障があると判定することを特徴とする請求項１に記載のモータの制御装置。 The motor is a three-phase motor;
Furthermore, the relay is connected to the outputs of the first and second phases of the motor drive circuit, and conducts or cuts off the drive current supplied to the motor,
The motor terminal voltage detection means is connected to a terminal of each phase of the three-phase motor, and based on the detection result of the short failure detection means, it is determined that there is a failure in either the motor drive circuit or the motor. When
Cutting off the drive current supplied to the motor from the first and second phases of the motor drive circuit by the relay;
A comparison between a value based on the terminal voltage and a predetermined threshold is repeatedly performed a predetermined number of times,
When the number of times that the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that the motor has a failure,
Wherein when the number of times exceeds a threshold value based on the terminal voltage is equal to or less than a predetermined value, the control apparatus for a motor according to claim 1, characterized in that determining that there is a failure in the motor drive circuit.
前記端子電圧に基づいた値と所定の閾値との比較を所定の回数繰り返し実施したとき、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合、前記モータ駆動回路の前記第１の相に故障があると判定し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値以下の場合、前記モータ駆動回路の前記第２の相に故障があると判定することを特徴とする請求項４に記載のモータの制御装置。 When it is determined that there is a failure in the motor drive circuit, the relay connected to the first phase of the motor drive circuit is turned on, and the value based on the terminal voltage is compared with a predetermined threshold value Is repeated a predetermined number of times,
When the number of times the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that there is a failure in the first phase of the motor drive circuit,
5. The motor according to claim 4 , wherein when the number of times that the threshold value of the value based on the terminal voltage is exceeded is equal to or less than a predetermined value, it is determined that there is a failure in the second phase of the motor drive circuit. Control device.
さらに、前記モータ駆動回路の第１及び第２の相の出力に接続されて、前記モータに供給される駆動電流を導通、又は遮断するリレーを備え、
前記モータ端子電圧検出手段は、前記３相モータの第１の相の端子に接続して配置され、そして
前記ショート故障検出手段の検出結果により、前記モータ駆動回路と、前記モータのいずれかに故障があると判定されたとき、
前記リレーによって前記モータ駆動回路の第１及び第２の相から前記３相モータに供給される駆動電流を遮断し、
前記端子電圧に基づいた値と所定の閾値との比較を所定回数繰り返し実施し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合、前記モータ駆動回路の第３の相に故障があると判定し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値以下の場合、前記駆動回路の前記第１の相に接続された前記リレーを導通して、前記端子電圧に基づいた値と所定の閾値との比較を所定回数繰り返し実施し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値を超えた場合、前記モータ駆動回路の前記第１の相に故障があると判定し、
前記端子電圧に基づいた値の閾値を超えた回数が所定値以下の場合に、前記モータ駆動回路の前記第２の相に故障があると判定することを特徴とする請求項１に記載のモータの制御装置。 The motor is a three-phase motor;
And a relay connected to the first and second phase outputs of the motor drive circuit to conduct or cut off the drive current supplied to the motor,
The motor terminal voltage detection means is arranged to be connected to the first phase terminal of the three-phase motor, and a failure occurs in either the motor drive circuit or the motor according to a detection result of the short failure detection means. When it is determined that there is
Cutting off the drive current supplied to the three-phase motor from the first and second phases of the motor drive circuit by the relay;
A comparison between a value based on the terminal voltage and a predetermined threshold is repeatedly performed a predetermined number of times,
When the number of times that the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that there is a failure in the third phase of the motor drive circuit,
When the number of times that the threshold value of the value based on the terminal voltage is exceeded is equal to or less than a predetermined value, the relay connected to the first phase of the drive circuit is turned on, and the value based on the terminal voltage and a predetermined value The comparison with the threshold is repeated a predetermined number of times,
When the number of times the threshold value of the value based on the terminal voltage exceeds a predetermined value, it is determined that there is a failure in the first phase of the motor drive circuit,
The motor according to claim 1, characterized in that to determine the number of times exceeds a threshold value based on the terminal voltage when the predetermined value or less, there is a fault in the second phase of the motor drive circuit Control device.
前記モータ駆動回路のいずれか１相に故障があると判定した場合に、その１相を電気的に遮断し、前記モータ駆動回路の他の２相によって前記モータの制御を行うことを特徴とする請求項３、５、６のいずれか１つに記載のモータの制御装置。 When it is determined that there is a failure in the motor, the control of the motor is stopped. On the other hand, when it is determined that there is a failure in any one phase of the motor drive circuit, the one phase is electrically cut off, The motor control apparatus according to claim 3 , wherein the motor is controlled by the other two phases of the motor drive circuit.
電源と接地間に直列に接続された複数の抵抗によって分圧された値であることを特徴とする請求項１〜６のいずれか１つに記載のモータの制御装置。 The terminal voltage is
Motor control device according to any one of claims 1-6, characterized in that the power source and between the ground is divided by the value of a plurality of resistors connected in series.
数学的関係による故障判定が可能な値であることを特徴とする請求項１〜８のいずれか１つに記載のモータの制御装置。 The value based on the terminal voltage is
The motor control apparatus according to any one of claims 1-8, characterized in that the values that can be failure determination by mathematical relationships.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007217391A JP5181579B2 (en) | 2007-08-23 | 2007-08-23 | Motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007217391A JP5181579B2 (en) | 2007-08-23 | 2007-08-23 | Motor control device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009055657A JP2009055657A (en) | 2009-03-12 |
| JP2009055657A5 true JP2009055657A5 (en) | 2010-09-30 |
| JP5181579B2 JP5181579B2 (en) | 2013-04-10 |
Family
ID=40506239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007217391A Active JP5181579B2 (en) | 2007-08-23 | 2007-08-23 | Motor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5181579B2 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4831503B2 (en) * | 2009-09-30 | 2011-12-07 | 株式会社デンソー | Control device for multi-phase rotating machine and electric power steering device using the same |
| JP5401250B2 (en) * | 2009-10-06 | 2014-01-29 | 日立オートモティブシステムズ株式会社 | Ground fault detection device |
| JP5530700B2 (en) * | 2009-11-04 | 2014-06-25 | ルネサスエレクトロニクス株式会社 | Hard disk device control circuit and hard disk device |
| JP5456454B2 (en) * | 2009-12-10 | 2014-03-26 | 株式会社ショーワ | Electric power steering device |
| JP4877416B2 (en) * | 2009-12-24 | 2012-02-15 | ダイキン工業株式会社 | Failure factor determination support apparatus and board replacement method |
| JP5158528B2 (en) * | 2010-08-06 | 2013-03-06 | 株式会社デンソー | Power converter |
| KR20130019911A (en) * | 2011-08-18 | 2013-02-27 | 현대모비스 주식회사 | Device for detecting failure of motor coil in breaking system for vehicle and method thereof |
| KR102114383B1 (en) * | 2014-01-03 | 2020-06-17 | 엘지이노텍 주식회사 | Short circuit detector for 3-phase motor |
| JP6237565B2 (en) * | 2014-10-17 | 2017-11-29 | 株式会社デンソー | Rotating electrical machine control device and electric power steering device using the same |
| JP6109257B2 (en) | 2015-07-21 | 2017-04-05 | 三菱電機株式会社 | Drive device |
| JP6634954B2 (en) | 2016-05-11 | 2020-01-22 | 株式会社デンソー | Motor control device |
| JP6911570B2 (en) | 2017-06-23 | 2021-07-28 | 株式会社アイシン | Detection device |
| JP7070575B2 (en) * | 2017-09-13 | 2022-05-18 | 日本電産株式会社 | Power converters, motor modules and electric power steering devices |
| DE112019001270T5 (en) * | 2018-03-13 | 2021-04-01 | Hitachi Automotive Systems, Ltd. | CONTROL DEVICE FOR ON-BOARD DEVICE |
| JP2019187187A (en) | 2018-04-17 | 2019-10-24 | 日本電産エレシス株式会社 | Failure diagnosis method for inverter circuit |
| FR3106945B1 (en) * | 2020-02-04 | 2022-10-14 | Continental Automotive | Method for identifying malfunction of an inverter-motor assembly |
| JP2023031781A (en) * | 2021-08-25 | 2023-03-09 | 株式会社デンソー | Electric power supply device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034508B1 (en) * | 1998-11-12 | 2000-04-17 | 本田技研工業株式会社 | Motor drive |
| JP4368031B2 (en) * | 2000-03-31 | 2009-11-18 | 株式会社ジェイテクト | Variable transmission ratio steering device |
| JP3812720B2 (en) * | 2000-10-30 | 2006-08-23 | オムロン株式会社 | Motor control device and electric power steering device |
| JP4125547B2 (en) * | 2002-05-29 | 2008-07-30 | 株式会社ミツバ | Fault detection circuit for motor drive circuit |
| JP2006160030A (en) * | 2004-12-06 | 2006-06-22 | Nsk Ltd | Electric power steering device |
| JP2006149146A (en) * | 2004-11-24 | 2006-06-08 | Nsk Ltd | Drive controller of connectionless motor and electric power steering system employing it |
| JP2006182166A (en) * | 2004-12-27 | 2006-07-13 | Favess Co Ltd | Electric power steering device |
| JP4710528B2 (en) * | 2005-10-04 | 2011-06-29 | 日本精工株式会社 | Electric power steering device |
-
2007
- 2007-08-23 JP JP2007217391A patent/JP5181579B2/en active Active
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