JPWO2010070725A1 - 車両用動力伝達装置 - Google Patents
車両用動力伝達装置 Download PDFInfo
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- JPWO2010070725A1 JPWO2010070725A1 JP2010542762A JP2010542762A JPWO2010070725A1 JP WO2010070725 A1 JPWO2010070725 A1 JP WO2010070725A1 JP 2010542762 A JP2010542762 A JP 2010542762A JP 2010542762 A JP2010542762 A JP 2010542762A JP WO2010070725 A1 JPWO2010070725 A1 JP WO2010070725A1
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- differential
- output
- rotation
- rotation element
- speed
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- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
- F16H2037/101—Power split variators with one differential at each end of the CVT
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
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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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- 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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- 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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Abstract
Description
図1は、本発明の一実施例であるハイブリッド駆動型の前後輪駆動車両の動力伝達装置10を説明する骨子図で、動力発生装置11および前後輪動力分配装置14を備えている。動力発生装置11は、主動力源として用いられるエンジン20と電気式差動部12とから成り、電気式差動部12は、差動機構としてシングルピニオン型の差動用遊星歯車装置16を備えている。差動用遊星歯車装置16のキャリアSCAには、差動入力部材としての差動入力軸18等を介してエンジン20が連結されているとともに、サンギヤSSには第1モータジェネレータMG1が連結されており、リングギヤSRには差動出力部材22が一体的に連結されている。エンジン20はガソリンエンジンやディーゼルエンジン等の内燃機関で、差動入力軸18に直接或いは図示しない脈動吸収ダンパー等を介して間接的に連結されている。第1モータジェネレータMG1は回転機として設けられたもので、電動モータおよび発電機の両方の機能を選択的に発揮できるが、本実施例では主として発電機として用いられる。
前記ハイブリッド制御手段90は、図5の機能ブロック線図に示すように、前後輪の差動を制御するための前後輪差動制御手段92を機能的に備えている。前後輪差動制御手段92は、車両走行状態に基づいて、直進走行時には第1出力回転要素であるキャリアCCAと第2出力回転要素であるサンギヤCSとの差動回転を制限しつつ、旋回走行時にはそれ等のキャリアCCAおよびサンギヤCSの差動回転を許容する第1モータジェネレータMG1の運転点、ここでは差動許容目標回転速度NMG1def を算出し、その差動許容目標回転速度NMG1def で運転させられるように第1モータジェネレータMG1を制御するもので、具体的には図9のフローチャートに従って信号処理を実行する。
Ncrdef ={Ncca −(ΔN/2)・γr}・(1+ρC)
−(Ncs+(ΔN/2)・γf)・ρC ・・・(1)
NMG1def =Nsca ・(1+ρS)−Nsr
=NE・(1+ρS)−Ncrdef ・・・(2)
や皿ばね等の差動制御手段を別途設ける必要があった。
[0006]
本発明は以上の事情を背景として為されたもので、その目的とするところは、動力発生装置から入力された動力を第1出力回転要素と第2出力回転要素とに分配する動力分配装置に関して、それ等の第1出力回転要素と第2出力回転要素との差動を簡便な手段で制御できるようにすることにある。
課題を解決するための手段
[0007]
かかる目的を達成するために、第1発明は、(a)電気的にトルク制御可能な回転機を備えている動力発生装置と、(b)入力回転要素、第1車輪に作動的に連結された第1出力回転要素、および第2車輪に作動的に連結された第2出力回転要素の3つの回転要素から成り、前記動力発生装置から入力回転要素に入力された動力を第1出力回転要素と第2出力回転要素とに分配する動力分配装置と、を有する車両用動力伝達装置において、(c)前記動力分配装置は、前記3つの回転要素の回転速度を直線上で表すことができる共線図上において、一端から他端に向かって順番に前記入力回転要素、前記第1出力回転要素、前記第2出力回転要素となるように構成されているとともに、(d)前記第1出力回転要素と前記第2出力回転要素とが所定の差動状態となるように前記回転機の運転状態が制御されるものであり、前記動力発生装置は、(e)前記回転機が差動機構に動力伝達可能に連結され、その回転機の運転状態が制御されることにより差動入力部材の回転速度と差動出力部材の回転速度との差動状態が制御される電気式差動部と、(f)前記差動入力部材に動力伝達可能に連結された動力源と、を有するものであることを特徴とする。
[0008]
[0009]
第3発明は、第1発明の車両用動力伝達装置において、車両走行状態に基づいて、前記第1出力回転要素と前記第2出力回転要素とが所定の差動状態となる前記回転機の運転点を算出し、その運転点で運転させられるように回転機を制御することを特徴とする。
[0010]
第4発明は、第1発明または第3発明の車両用動力伝達装置において、前記第1出力回転要素と前記第2出力回転要素とが互いに差動制限されるように前記回転機の回転速度変化を抑制することを特徴とする。
[0011]
第5発明は、第1発明の車両用動力伝達装置において、前記第1出力回転要素と前記第2出力回転要素とが互いに差動制限されるように、前記回転機の回転速度変化を抑制するとともに、その回転機の回転速度変化の抑制で前記差動入力部材の回転速度が変化することを抑制するように前記動力源を制御することを特徴とする。
発明の効果
[0012]
このような車両用動力伝達装置においては、動力分配装置の3つの回転要素の回転速度を直線上で表すことができる共線図上において、一端から他端に向かって順番に入力回転要素、第1出力回転要素、第2出力回転要素となるように構成されているため、入力回転要素の回転速度によって第1出力回転要素および第2出力回転要素の差動回転が制限される。すなわち、共線図の一端に位置する入力回転要素の回転速度に対して、第1出力回転要素および第2出力回転要素の各回転速度が一直線で結ばれるように、それ等の第1出力回転要素および第2出力回転要素の回転速度が規制されるのである。したがって、例えば動力発生装置の回転機の回転速度制御で入力回転要素の回転速度を制御することにより、第1出力回転要素および第2出力回転要素の差動回転を制限したり、旋回時等に所定の差動状態にしたりすることができる。また、動力発生装置の回転機のトルクを制御することにより、入力回転要素の回転速度の変化のし易さを制御することが可能で、これにより回転速度変化を制限したり許容したりすることができ、回転機トルクを大きくして入力回転要素の回転速度変化を制限すると第1出力回転要素および第2出力回転要素の差動回転が制限され、回転機トルクを小さくして入力回転要素の回転速度変化を許容すると第1出力回転要素および第2出力回転要素の差動回転が許容される。
[0013]
このように本発明の車両用動力伝達装置によれば、動力発生装置の回転機の運転状態すなわち回転速度やトルクを制御し、入力回転要素の回転速度やその回転速度の変化のし易さを制御することより、第1出力回転要素および第2出力回転要素の差動回転を制限したり許容したりすることができるため、クラッチや皿ばね等の機械的な差動制御手段を別途設ける必要がなく、装置が簡単且つ安価に構成される。また、動力発生装置が電気式差動部を有する場合で、回転機および動力源の両者の回転速度によって差動出力部材の回転速度すなわち動力分配装置の入力回転要素の回転速度が定まるため、例えば回転機の回転速度制御で前記差動回転を禁止したり所定の差動状態としたする場合、或いは回転機のトルクを大きくして差動回転を制限したりする場合に、車輪側からの逆入力トルクが急に変化した時などに動力源の回転速度変化によって負荷トルクが吸収され、回転機やその他の回転要素に過大な負荷が作用することが防止される。
[0014]
[0015]
第3発明では、車両走行状態に基づいて、第1出力回転要素と第2出力回転要素とが所定の差動状態となる回転機の運転点を算出し、その運転点で運転させられるように回転機を制御するため、直進走行時の差動回転を制限しつつ旋回時等の差動回転を許容して、タイトコーナーブレーキ現象の発生を防止したりアンダーステアを抑制したりすることができる。
[0016]
第4発明では、第1出力回転要素と第2出力回転要素とが互いに差動制限されるように回転機の回転速度変化を抑制するため、例えば直進走行時の走行安定性を向上させたり旋回走行時のオーバーステアを抑制したりすることができる。
[0017]
第5発明は、動力発生装置が電気式差動部を備えている場合で、第1出力回転要素と第2出力回転要素とが互いに差動制限されるように、回転機の回転速度変化を抑制するとともに、その回転機の回転速度変化の抑制で差動入力部材の回転速度が変化することを抑制するように動力源を制御するため、第1出力回転要素および第2出力回転要素の差動が適切に制限され、第4発明と同様に直進走行時の走行安定性を向上させたり旋回走行時のオーバーステアを抑制したりすることができる。
図面の簡単な説明
[0018]
[図1]本発明が適用された前後輪駆動車両の動力伝達装置を説明する骨子図である。
[図2]図1の動力伝達装置に設けられる自動変速機の一例を説明する図で、(a)は自動変速機の骨子図、(b)は(a)の自動変速機の複数のギヤ段を成立させる際に係合させる摩擦係合装置を説明する作動表である。
[図3]図1の動力伝達装置が備えている電子制御装置の入出力信号の一例を説明する図である。
[図4]図1の動力伝達装置に設けられたシフト操作装置の一例を説明する図である。
Claims (5)
- 電気的にトルク制御可能な回転機を備えている動力発生装置と、
入力回転要素、第1車輪に作動的に連結された第1出力回転要素、および第2車輪に作動的に連結された第2出力回転要素の3つの回転要素から成り、前記動力発生装置から該入力回転要素に入力された動力を該第1出力回転要素と該第2出力回転要素とに分配する動力分配装置と、
を有する車両用動力伝達装置において、
前記動力分配装置は、前記3つの回転要素の回転速度を直線上で表すことができる共線図上において、一端から他端に向かって順番に前記入力回転要素、前記第1出力回転要素、前記第2出力回転要素となるように構成されているとともに、
前記第1出力回転要素と前記第2出力回転要素とが所定の差動状態となるように前記回転機の運転状態が制御される
ことを特徴とする車両用動力伝達装置。 - 前記動力発生装置は、
前記回転機が差動機構に動力伝達可能に連結され、該回転機の運転状態が制御されることにより差動入力部材の回転速度と差動出力部材の回転速度との差動状態が制御される電気式差動部と、
前記差動入力部材に動力伝達可能に連結された動力源と、
を有するものである
ことを特徴とする第1項に記載の車両用動力伝達装置。 - 車両走行状態に基づいて、前記第1出力回転要素と前記第2出力回転要素とが所定の差動状態となる前記回転機の運転点を算出し、該運転点で運転させられるように該回転機を制御する
ことを特徴とする第1項または第2項に記載の車両用動力伝達装置。 - 前記第1出力回転要素と前記第2出力回転要素とが互いに差動制限されるように前記回転機の回転速度変化を抑制する
ことを特徴とする第1項〜第3項の何れか1項に記載の車両用動力伝達装置。 - 前記第1出力回転要素と前記第2出力回転要素とが互いに差動制限されるように、前記回転機の回転速度変化を抑制するとともに、該回転機の回転速度変化の抑制で前記差動入力部材の回転速度が変化することを抑制するように前記動力源を制御する
ことを特徴とする第2項に記載の車両用動力伝達装置。
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PCT/JP2008/072791 WO2010070725A1 (ja) | 2008-12-15 | 2008-12-15 | 車両用動力伝達装置 |
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US (1) | US8535189B2 (ja) |
JP (1) | JP5195919B2 (ja) |
CN (1) | CN102245419B (ja) |
DE (1) | DE112008004176B4 (ja) |
WO (1) | WO2010070725A1 (ja) |
Families Citing this family (22)
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JP5170256B2 (ja) * | 2008-12-09 | 2013-03-27 | トヨタ自動車株式会社 | 前後輪駆動車両の動力伝達装置 |
JP5257414B2 (ja) * | 2010-07-09 | 2013-08-07 | 日産自動車株式会社 | 四輪駆動車両の駆動力配分制御装置 |
US11161403B2 (en) | 2012-02-03 | 2021-11-02 | Ge Hybrid Technologies, Llc | Apparatus and method for delivering power in a hybrid vehicle |
US9561719B2 (en) * | 2012-02-03 | 2017-02-07 | Ge Hybrid Technologies, Llc | Apparatus and method for delivering power in a hybrid vehicle |
EP2896527B1 (en) * | 2012-09-14 | 2020-06-10 | Toyota Jidosha Kabushiki Kaisha | Power transmission device for hybrid vehicle, and hybrid system |
CN103978881B (zh) * | 2013-02-08 | 2016-06-15 | 财团法人工业技术研究院 | 混合动力机构及其动力混合模式 |
US9783061B2 (en) * | 2015-03-18 | 2017-10-10 | E-Aam Driveline Systems Ab | Method for operating an electric drive module |
DE102015213664B4 (de) * | 2015-07-21 | 2022-04-21 | Zf Friedrichshafen Ag | Getriebe für ein Kraftfahrzeug |
CN105216613B (zh) * | 2015-10-14 | 2017-08-25 | 北京科技大学 | 一种用于地下重载矿用车辆的纯电动驱动桥系统 |
US10940750B2 (en) | 2015-10-27 | 2021-03-09 | The Regents Of The University Of Michigan | Hybrid all-wheel drive system having dynamic clutches |
KR101688334B1 (ko) * | 2015-12-29 | 2017-01-02 | 한국과학기술원 | 다중모드를 구비한 하이브리드 자동차용 구동장치 |
JP6301991B2 (ja) * | 2016-03-29 | 2018-03-28 | 株式会社Subaru | ハイブリッド車両システム |
CN105782368B (zh) * | 2016-04-11 | 2019-01-25 | 同济大学 | 一种转速耦合型混合动力车用电动化分动器 |
CN106114195B (zh) * | 2016-07-06 | 2018-07-31 | 南京理工大学 | 一种多模四驱混合动力传动驱动装置 |
CN106183778B (zh) * | 2016-07-06 | 2018-09-25 | 南京理工大学 | 双输出混合动力传动驱动装置 |
JP6520890B2 (ja) * | 2016-11-02 | 2019-05-29 | トヨタ自動車株式会社 | 四輪駆動車の挙動制御装置 |
JP6729441B2 (ja) | 2017-02-20 | 2020-07-22 | トヨタ自動車株式会社 | 四輪駆動車両の制御装置 |
DE102017111041B3 (de) * | 2017-05-22 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | Antriebsvorrichtung für ein Kraftfahrzeug |
JP7070240B2 (ja) * | 2018-08-23 | 2022-05-18 | トヨタ自動車株式会社 | ハイブリッド車両 |
JP7196801B2 (ja) * | 2019-09-09 | 2022-12-27 | トヨタ自動車株式会社 | 電動車両 |
EP3868590B1 (en) * | 2020-02-20 | 2022-11-23 | Toyota Jidosha Kabushiki Kaisha | Power transmission device |
KR20220007904A (ko) * | 2020-07-10 | 2022-01-20 | 현대자동차주식회사 | 차량의 파워트레인 및 제동 제어 방법 |
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US6081042A (en) | 1996-03-22 | 2000-06-27 | Toyota Jidosha Kabushiki Kaisha | Hybrid vehicle drive system including controllable device between engine and electric motor and vehicle drive wheels, and apparatus for controlling the device depending upon selected operation mode of the system |
JP2001260684A (ja) * | 2000-03-16 | 2001-09-26 | Toyota Motor Corp | 前後輪駆動車 |
JP2003032802A (ja) | 2001-07-11 | 2003-01-31 | Toyota Motor Corp | 動力出力装置およびこれを備える自動車 |
JP2003335143A (ja) * | 2002-05-20 | 2003-11-25 | Toyoda Mach Works Ltd | アクティブ四輪駆動装置 |
JP3855905B2 (ja) | 2002-09-27 | 2006-12-13 | トヨタ自動車株式会社 | ハイブリッド車の駆動装置 |
JP2005075095A (ja) | 2003-08-29 | 2005-03-24 | Toyota Motor Corp | ハイブリッド車の駆動装置 |
US7235029B2 (en) * | 2004-05-21 | 2007-06-26 | General Motors Corporation | Integrated motor clutch for electrically variable transmissions |
JP4179266B2 (ja) | 2004-11-08 | 2008-11-12 | 日産自動車株式会社 | ハイブリッド4輪駆動システム |
JP4225314B2 (ja) * | 2005-12-26 | 2009-02-18 | トヨタ自動車株式会社 | ハイブリッド車両 |
JP5034532B2 (ja) * | 2006-03-10 | 2012-09-26 | 日産自動車株式会社 | 駆動力配分装置 |
JP2008062732A (ja) * | 2006-09-06 | 2008-03-21 | Toyota Motor Corp | ハイブリッド車両 |
JP4962000B2 (ja) | 2006-12-25 | 2012-06-27 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP4840135B2 (ja) | 2006-12-30 | 2011-12-21 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP4591472B2 (ja) | 2007-04-13 | 2010-12-01 | トヨタ自動車株式会社 | ハイブリッド車両用駆動装置の制御装置 |
JP4909807B2 (ja) * | 2007-05-25 | 2012-04-04 | 本田技研工業株式会社 | ハイブリッド車両の駆動装置 |
JP5170256B2 (ja) * | 2008-12-09 | 2013-03-27 | トヨタ自動車株式会社 | 前後輪駆動車両の動力伝達装置 |
-
2008
- 2008-12-15 US US13/139,914 patent/US8535189B2/en active Active
- 2008-12-15 DE DE112008004176.8T patent/DE112008004176B4/de not_active Expired - Fee Related
- 2008-12-15 JP JP2010542762A patent/JP5195919B2/ja not_active Expired - Fee Related
- 2008-12-15 CN CN200880132350.6A patent/CN102245419B/zh not_active Expired - Fee Related
- 2008-12-15 WO PCT/JP2008/072791 patent/WO2010070725A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2010070725A1 (ja) | 2010-06-24 |
CN102245419A (zh) | 2011-11-16 |
US8535189B2 (en) | 2013-09-17 |
US20110314960A1 (en) | 2011-12-29 |
CN102245419B (zh) | 2014-12-24 |
JP5195919B2 (ja) | 2013-05-15 |
DE112008004176B4 (de) | 2019-03-21 |
DE112008004176T5 (de) | 2012-10-18 |
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