JP6029572B2 - 車両のスリップ判定装置 - Google Patents
車両のスリップ判定装置 Download PDFInfo
- Publication number
- JP6029572B2 JP6029572B2 JP2013260397A JP2013260397A JP6029572B2 JP 6029572 B2 JP6029572 B2 JP 6029572B2 JP 2013260397 A JP2013260397 A JP 2013260397A JP 2013260397 A JP2013260397 A JP 2013260397A JP 6029572 B2 JP6029572 B2 JP 6029572B2
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- Prior art keywords
- wheel
- motor
- slip
- braking
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002347 injection Methods 0.000 description 1
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Images
Classifications
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- B60W40/12—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to parameters of the vehicle itself, e.g. tyre models
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- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fluid Mechanics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
- Control Of Multiple Motors (AREA)
- Hybrid Electric Vehicles (AREA)
Description
この駆動モードは、車両Vの加速走行中などに、バッテリ7の電力を用いて第1及び第2リヤモータ41、61で力行を行い、それらの動力で左右の後輪WRL、WRRを駆動する動作モードである。この駆動モードでは、基本的に、第1及び第2リヤモータ41、61の目標トルクTROBJが互いに同じ正値に設定される。そして、目標トルクTROBJに応じた電力を第1及び第2リヤモータ41、61に供給し、ロータ43、63を正転させるとともに、油圧ブレーキ84で第1及び第2リングギヤ53、73を制動する。
この回生モードは、車両Vの減速走行中などに、車両Vの走行エネルギを用いて、第1及び第2リヤモータ41、61で、後輪WRL、WRRを制動しながら回生を行い、発電した電力をバッテリ7に充電する動作モードである。この回生モードでは、基本的に、第1及び第2リヤモータ41、61の目標トルクTROBJが互いに同じ負値に設定され、その値に応じて、第1及び第2リヤモータ41、61で回生される電力を制御するとともに、油圧ブレーキ84で第1及び第2リングギヤ53、73を制動する。
NMREF=NMBASE・(1+KD) ・・・(1)
NMREF=NMBASE・(1−KB) ・・・(2)
NMREF=NMBASE・(1+KDINV) ・・・(3)
NMREF=NMBASE・(1−KBINV) ・・・(4)
41 第1リヤモータ(電動機)
61 第2リヤモータ(電動機)
101a〜101d
車輪回転数センサ(基本速度パラメータ取得手段)
102a 第1モータ回転数センサ(車輪速パラメータ取得手段)
102b 第2モータ回転数センサ(車輪速パラメータ取得手段)
V ハイブリッド車両(車両)
WRL 左後輪(車輪)
WRR 右後輪(車輪)
WFL 左前輪(他の車輪)
WFR 右前輪(他の車輪)
NMOT1 第1モータ回転数(車輪速パラメータ)
NMOT2 第2モータ回転数(車輪速パラメータ)
NWFL 左前輪の車輪回転数(基本速度パラメータ)
NWFR 右前輪の車輪回転数(基本速度パラメータ)
NWRL 左後輪の車輪回転数(基本速度パラメータ)
NWRR 右後輪の車輪回転数(基本速度パラメータ)
NMREF 基準回転数(しきい値、第2しきい値)
TROBJ リヤモータの目標トルク(電動機の制駆動力)
Claims (2)
- 電動機にバックラッシュが存在する動力伝達系を介して機械的に連結され、該電動機によって駆動又は制動される車輪に、所定以上のスリップである超過スリップが発生しているか否かを判定する車両のスリップ判定装置であって、
前記車輪及び前記電動機の一方の速度を表す車輪速パラメータを取得する車輪速パラメータ取得手段と、
前記車両の速度を表す基本速度パラメータを取得する基本速度パラメータ取得手段と、
該取得された基本速度パラメータに基づき、前記超過スリップの判定の基準となるしきい値を設定するしきい値設定手段と、
前記取得された車輪速パラメータが前記設定されたしきい値に達したときに、前記車輪に前記超過スリップが発生したと判定するスリップ判定手段と、
前記車輪を駆動又は制動する前記電動機の制駆動力を取得する制駆動力取得手段と、
該取得された電動機の制駆動力の符号が反転するときに、前記しきい値を、該しきい値よりも前記車輪速パラメータが達しにくくなるような制駆動力反転時用の第2しきい値に変更するしきい値変更手段と、
を備えることを特徴とする車両のスリップ判定装置。 - 電動機にバックラッシュが存在する動力伝達系を介して機械的に連結され、該電動機によって駆動又は制動される車輪に、所定以上のスリップである超過スリップが発生しているか否かを判定する車両のスリップ判定装置であって、
前記車輪及び前記電動機の一方の速度を表す車輪速パラメータを取得する車輪速パラメータ取得手段と、
前記車両の速度を表す基本速度パラメータを取得する基本速度パラメータ取得手段と、
該取得された基本速度パラメータに基づき、前記超過スリップの判定の基準となるしきい値を設定するしきい値設定手段と、
前記取得された車輪速パラメータが前記設定されたしきい値に達したときに、前記車輪に前記超過スリップが発生したと判定するスリップ判定手段と、
前記車輪を駆動又は制動する前記電動機の制駆動力を取得する制駆動力取得手段と、
該取得された電動機の制駆動力の符号が反転するときに、前記スリップ判定手段による前記超過スリップの判定を禁止する判定禁止手段と、
を備えることを特徴とする車両のスリップ判定装置。
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JP2013260397A JP6029572B2 (ja) | 2013-12-17 | 2013-12-17 | 車両のスリップ判定装置 |
US15/105,300 US9889745B2 (en) | 2013-12-17 | 2014-12-16 | Slip determination system for vehicle |
KR1020167019234A KR101942631B1 (ko) | 2013-12-17 | 2014-12-16 | 차량의 슬립 판정 장치 |
PCT/JP2014/083249 WO2015093473A1 (ja) | 2013-12-17 | 2014-12-16 | 車両のスリップ判定装置 |
CN201480067833.8A CN105829186B (zh) | 2013-12-17 | 2014-12-16 | 车辆的滑移判定装置 |
CA2934229A CA2934229C (en) | 2013-12-17 | 2014-12-16 | Slip determination system for vehicle |
EP14870995.9A EP3085595B1 (en) | 2013-12-17 | 2014-12-16 | Vehicle slip determination device |
MYPI2016702215A MY176492A (en) | 2013-12-17 | 2014-12-16 | Slip determination system for vehicle |
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JP6984329B2 (ja) * | 2017-11-07 | 2021-12-17 | トヨタ自動車株式会社 | 自動車 |
JP2021017096A (ja) * | 2019-07-18 | 2021-02-15 | 株式会社Subaru | 車両のスリップ制御装置 |
CN112519591B (zh) * | 2019-08-27 | 2022-01-25 | 上海汽车集团股份有限公司 | 一种动力电池放电功率的控制方法及控制系统 |
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CN112776810A (zh) * | 2021-01-29 | 2021-05-11 | 潍柴动力股份有限公司 | 一种车辆控制方法、装置、车辆及存储介质 |
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JP3596439B2 (ja) * | 2000-07-14 | 2004-12-02 | 株式会社豊田自動織機 | 産業車両の走行制御装置 |
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WO2015093473A1 (ja) | 2015-06-25 |
CA2934229A1 (en) | 2015-06-25 |
CN105829186A (zh) | 2016-08-03 |
KR20160099680A (ko) | 2016-08-22 |
CN105829186B (zh) | 2018-08-28 |
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