JP6197764B2 - 電動車両 - Google Patents
電動車両 Download PDFInfo
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/14—Preventing excessive discharging
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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
- B60W2710/085—Torque change rate
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- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
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Description
好ましくは、電動機のパワー変化率に対して第1から第3の制限が設けられる。第1の制限については、蓄電装置の温度が低いときのパワー変化率の制限値が、蓄電装置の温度が高いときのパワー変化率の制限値に比べて小さくなっている。第2の制限については、第1の制限に対してさらに、キャパシタの電圧が高いときのパワー変化率の制限値が、キャパシタの電圧が低いときのパワー変化率の制限値に比べて小さくなっている。第3の制限については、変速機の変速後半におけるパワー変化率の制限値が、変速前半におけるパワー変化率の制限値に比べて大きくなっている。アクセル開度が所定量よりも大きいときは、電動機のパワー変化率に対して第2の制限が用いられる。アクセル開度が所定量よりも小さく、かつ、車両速度が所定速度よりも低いときは、電動機のパワー変化率に対して第3の制限が用いられる。アクセル開度が所定量よりも小さく、かつ、車両速度が所定速度よりも高いときは、電動機のパワー変化率に対して第1の制限が用いられる。
(車両の全体構成)
図1は、本実施の形態に従う電動車両の一例として示されるハイブリッド車両10の全体構成図である。図1を参照して、ハイブリッド車両10は、エンジン12と、差動部20と、変速機30と、差動歯車装置42と、駆動輪44とを備える。また、ハイブリッド車両10は、インバータ52と、コンバータ54と、蓄電装置56と、制御装置60とをさらに備える。
図4は、図1に示した差動部20及び変速機30の構成を示した図である。なお、差動部20及び変速機30は、その軸心に対して対称的に構成されているので、図4では、差動部20及び変速機30の下側を省略して図示されている。
図8は、蓄電装置56の出力許容電力Wout及び入力許容電力Winを示した図である。図8を参照して、蓄電装置56の温度TBが低下すると、出力許容電力Wout及び入力許容電力Winは小さくなる。なお、出力許容電力Woutは、蓄電装置56の過放電を防止するために、蓄電装置56のSOCが低下したときにも小さくなり、入力許容電力Winは、蓄電装置56の過充電を防止するために、SOCが高いときにも小さくなる。
変速機30の変速中においては、クラッチが係合状態となる変速の後半(変速進行度が大きいとき)に大きな変速ショックが発生し得る。そこで、この実施の形態2では、変速の後半は、モータジェネレータMG1,MG2のトルク変化率の制限値を大きくすることでモータジェネレータMG1,MG2のトルクの急変を許容し、変速ショックの低減を図る。一方、変速の前半は、蓄電装置56の入出力電力が許容値(出力許容電力Wout及び入力許容電力Win)を超過しないように、モータジェネレータMG1,MG2のトルク変化率の制限値を小さくする。
この実施の形態3では、蓄電装置56の温度TBと変速機30の変速進行度とに基づいて、モータジェネレータMG1,MG2のトルク変化率の制限値が決定される場合について説明する。
再び図13を参照して、上記の実施の形態3では、蓄電装置56の温度TBが低く、かつ、変速進行度が大きいとき(変速後半)に、変速進行度に応じたモータジェネレータMG1,MG2のトルク変化率の制限値tlim2(図11)が用いられるものとした。これは、変速ショックの低減を図るためであるが、変速ショックが問題となるのは、実際には、アクセル開度が小さく、かつ、車速が低いときであり、大きな加速を要求するアクセル開度大のときや車速が高いときは、変速ショックはそれ程問題にならない。
上記の実施の形態1,3,4では、蓄電装置56の温度TBに応じたモータジェネレータのトルク変化率の制限値tlim1が用いられる。この制限値tlim1は、蓄電装置56の劣化抑制の観点で設定されるものであるが、モータジェネレータの回転速度の変化が急峻な場合は、回転速度の変化に合わせたパワー管理をする必要がある。
図19は、図1に示したハイブリッド車両10の電気系統の概略図である。図19を参照して、インバータ52とコンバータ54との間には、キャパシタ80が設けられる。キャパシタ80は、コンバータ54により調整されてインバータ52に与えられる直流電圧を平滑化するために設けられる。
この実施の形態6では、キャパシタ80の電圧VHと、蓄電装置56の温度TBと、変速機30の変速進行度とに基づいて、モータジェネレータMG1,MG2のパワー変化率の制限値が決定される構成について説明する。
上記の実施の形態5では、蓄電装置56の温度TB及びキャパシタ80の電圧VHに応じたモータジェネレータMG1,MG2のパワー変化率の制限値plim1が用いられる。また、実施の形態6では、さらに、変速進行度に応じた制限値plim2、及び温度TBのみに応じた制限値plim3も用いられる。
Claims (3)
- 電動機と、
前記電動機と電力をやり取りする蓄電装置と、
前記電動機の回転軸と駆動輪との間の動力伝達経路に設けられる有段式の変速機と、
前記変速機の変速中に前記電動機のトルクを制御する制御装置とを備え、
前記トルクの変化率に対して第1及び第2の制限が設けられ、
前記第1の制限については、前記蓄電装置の温度が低いときの前記変化率の制限値が、前記蓄電装置の温度が高いときの前記変化率の制限値に比べて小さくなっており、
前記第2の制限については、前記変速機の変速後半における前記変化率の制限値が、前記変速機の変速前半における前記変化率の制限値に比べて大きくなっており、
前記蓄電装置の温度が所定温度よりも低く、かつ、前記変速機の変速が変速前半のときは、前記トルクの変化率に対して前記第1の制限が用いられ、
前記蓄電装置の温度が前記所定温度よりも低く、かつ、前記変速機の変速が変速後半のときは、前記トルクの変化率に対して前記第2の制限が用いられる、電動車両。 - 前記蓄電装置の温度が前記所定温度よりも低く、かつ、前記変速機の変速が変速後半の場合において、
車両速度が所定速度よりも低く、かつ、アクセル開度が所定量よりも小さいときに、前記トルクの変化率に対して前記第2の制限が用いられ、
車両速度が前記所定速度よりも高いとき、又はアクセル開度が前記所定量よりも大きいときは、前記トルクの変化率に対して前記第1の制限が用いられる、請求項1に記載の電動車両。 - 前記蓄電装置の温度が所定温度よりも低く、かつ、前記変速機の変速が変速前半のときに前記トルクの変化率に対して前記第1の制限が用いられる場合において、前記電動機の回転速度の変化率が大きいときの前記トルクの変化率の制限値が、前記回転速度の変化率が小さいときの前記トルクの変化率の制限値に比べて大きくなるように、前記第1の制限が設けられる、請求項1又は請求項2に記載の電動車両。
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| US14/798,992 US9744859B2 (en) | 2014-08-08 | 2015-07-14 | Electrically powered vehicle |
| DE102015112926.4A DE102015112926A1 (de) | 2014-08-08 | 2015-08-06 | Elektrisch angetriebenes Fahrzeug |
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| US11958470B2 (en) * | 2018-12-10 | 2024-04-16 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Vehicle control device |
| CN110932643A (zh) * | 2019-12-11 | 2020-03-27 | 深圳市英威腾电气股份有限公司 | 变频器控制方法、装置、存储介质及变频器 |
| FR3158290A1 (fr) * | 2024-01-16 | 2025-07-18 | Stellantis Auto Sas | Contrôle du couple fourni par une machine motrice non thermique d’un gmp hybride d’un véhicule, en présence d’un filtre d’agrément |
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| JP3454226B2 (ja) * | 2000-05-11 | 2003-10-06 | トヨタ自動車株式会社 | ハイブリッド車両の制御装置 |
| EP1356972B1 (en) | 2002-04-08 | 2007-07-04 | Ford Global Technologies, LLC | Method for controlling a hybrid vehicle drivetrain |
| JP4220961B2 (ja) | 2004-12-28 | 2009-02-04 | トヨタ自動車株式会社 | 動力出力装置およびこれを搭載する自動車並びに動力出力装置の制御装置、動力出力装置の制御方法 |
| JP2006278210A (ja) | 2005-03-30 | 2006-10-12 | Toyota Motor Corp | 故障診断装置および故障診断方法 |
| JP4192939B2 (ja) * | 2005-10-21 | 2008-12-10 | トヨタ自動車株式会社 | ハイブリッド動力装置 |
| JP5109362B2 (ja) | 2006-12-15 | 2012-12-26 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池システムの起動方法 |
| DE112010004705T5 (de) * | 2009-12-08 | 2013-01-17 | Honda Motor Co., Ltd. | Hybridfahrzeug |
| EP2754597A4 (en) * | 2011-09-05 | 2015-03-04 | Honda Motor Co Ltd | CONTROL DEVICE AND CONTROL METHOD FOR HYBRID VEHICLE |
| JP5362793B2 (ja) * | 2011-09-05 | 2013-12-11 | 本田技研工業株式会社 | 車両の制御装置および制御方法 |
| JP2013071551A (ja) | 2011-09-27 | 2013-04-22 | Aisin Seiki Co Ltd | ハイブリッド車両の制御装置 |
| JP2013082265A (ja) * | 2011-10-06 | 2013-05-09 | Toyota Motor Corp | ハイブリッド車両の制御装置 |
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| US9744859B2 (en) | 2017-08-29 |
| US20160039288A1 (en) | 2016-02-11 |
| CN105365813B (zh) | 2017-09-26 |
| CN105365813A (zh) | 2016-03-02 |
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