JP5080627B2 - 無段変速機及び変速制御方法 - Google Patents
無段変速機及び変速制御方法 Download PDFInfo
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- JP5080627B2 JP5080627B2 JP2010221535A JP2010221535A JP5080627B2 JP 5080627 B2 JP5080627 B2 JP 5080627B2 JP 2010221535 A JP2010221535 A JP 2010221535A JP 2010221535 A JP2010221535 A JP 2010221535A JP 5080627 B2 JP5080627 B2 JP 5080627B2
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H61/66254—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
- F16H61/66259—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or control means
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/702—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
-
- 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
- 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
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H2037/023—CVT's provided with at least two forward and one reverse ratio in a serial arranged sub-transmission
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
- F16H2059/663—Road slope
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/163—Holding the gear for delaying gear shifts under unfavorable conditions, e.g. during cornering
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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
- 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
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H37/022—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing the toothed gearing having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Description
。なお、アップシフト不可能な領域とは、例えば図3の変速マップにおいて現在の変速点がA領域にある場合である。
4 無段変速機
11 油圧制御回路
12 変速機コントローラ
20 バリエータ(無段変速機構)
21 プライマリプーリ
22 セカンダリプーリ
23 Vベルト
30 副変速機構
50 勾配センサ
Claims (6)
- 車両に搭載され、エンジンの回転速度を変速する無段変速機であって、
変速比を無段階に変更することができるバリエータと、
前記バリエータに対して直列に備えられ、複数の摩擦要素の締結及び解放によって低速側の第1変速段と高速側の第2変速段とを切り替え可能な有段の副変速機構と、
前記車両の運転状態に基づいて前記エンジン目標到回転速度を算出し、前記算出した目標回転速度に基づいて目標変速比としての到達スルー変速比を設定し、前記バリエータの変速比及び前記副変速機構の変速段の少なくとも一方を変更して、前記バリエータ及び前記副変速機構の全体の変速比であるスルー変速比を所定の応答で前記到達スルー変速比に追従させる変速制御部と、
を備え、
前記変速制御部は、車両が勾配路を走行している場合に、前記副変速機構のアップシフトを禁止する勾配路アップシフト禁止手段と、
前記勾配路アップシフト禁止手段により前記副変速機構のアップシフトが禁止されているときに、前記車両が所定の走行状態で走行している場合は、前記副変速機構をアップシフトさせる勾配路アップシフト手段と、を備え、
前記勾配路アップシフト手段は、車両が勾配路を走行中であっても、前記スルー変速比が変化しないように前記バリエータの変速比を前記副変速機構の変速比の変化に対応して変化させながら前記副変速機構の変速を実行することを特徴とする無段変速機。 - 前記所定の走行状態は、前記スルー変速比が、前記副変速機構が低速側の第1変速段でかつ前記バリエータの変速比が最小の第1変速段と、前記副変速機構が高速側の第2段でかつ前記バリエータの変速比が最大の第2変速段との間であることを特徴とする請求項1に記載の無段変速機。
- 前記変速制御部は、前記車両が勾配路を走行している場合であって、かつ、急勾配路を走行している場合に、前記エンジンの目標到達回転速度を大側に補正する目標到達回転速度上昇手段を備えることを特徴とする請求項1又は2に記載の無段変速機。
- 前記勾配路アップシフト手段は、前記車両の走行状態が、コースト状態で、かつ、減速中である場合に、前記副変速機構をアップシフトさせることを特徴とする請求項1から3のいずれか一つに記載の無段変速機。
- 前記目標回転速度上昇手段は、車速が小さいほど、勾配路の勾配が大きいほど、前記エンジンの目標到達回転速度を、より大側に補正することを特徴とする請求項3又は4に記載の無段変速機。
- 変速比を無段階に変更することができるバリエータと、バリエータに対して直列に備えられ、複数の摩擦要素の締結及び解放によって変速比が切り替え可能な有段の副変速機構と、を備え、車両に搭載され、動力源の出力回転を変速して出力する無段変速機の変速制御方法であって、
前記車両の運転状態に基づいて前記エンジン目標到回転速度を算出し、前記算出した目標回転速度に基づいて目標変速比としての到達スルー変速比を設定し、バリエータの変速比及び副変速機構の変速段の少なくとも一方を変更して、バリエータ及び副変速機構の全体の変速比であるスルー変速比を所定の応答で到達スルー変速比に追従させ、
車両が勾配路を走行して前記副変速機構のアップシフトが禁止された場合において、車両が所定の走行領域で走行している場合は、前記スルー変速比が変化しないように前記バリエータの変速比を前記副変速機構の変速比の変化に対応して変化させながら前記副変速機構のアップシフトを実行することを特徴とする無段変速機の変速制御方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010221535A JP5080627B2 (ja) | 2010-09-30 | 2010-09-30 | 無段変速機及び変速制御方法 |
KR1020110086779A KR101318518B1 (ko) | 2010-09-30 | 2011-08-30 | 무단 변속기 및 변속 제어 방법 |
US13/230,026 US8560189B2 (en) | 2010-09-30 | 2011-09-12 | Continuously variable transmission and shift control method |
EP11180840.8A EP2436954B1 (en) | 2010-09-30 | 2011-09-12 | Continuously variable transmission and shift control method thereof |
CN201110285322.1A CN102444711B (zh) | 2010-09-30 | 2011-09-23 | 无级变速器及变速控制方法 |
Applications Claiming Priority (1)
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JP2010221535A JP5080627B2 (ja) | 2010-09-30 | 2010-09-30 | 無段変速機及び変速制御方法 |
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JP2012077794A JP2012077794A (ja) | 2012-04-19 |
JP5080627B2 true JP5080627B2 (ja) | 2012-11-21 |
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US (1) | US8560189B2 (ja) |
EP (1) | EP2436954B1 (ja) |
JP (1) | JP5080627B2 (ja) |
KR (1) | KR101318518B1 (ja) |
CN (1) | CN102444711B (ja) |
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JP4779030B2 (ja) * | 2009-03-27 | 2011-09-21 | ジヤトコ株式会社 | 無段変速機及びその制御方法 |
JP4811498B2 (ja) * | 2009-05-29 | 2011-11-09 | 株式会社デンソー | 車両の制御装置 |
DE102009046620A1 (de) * | 2009-11-11 | 2011-05-19 | Zf Friedrichshafen Ag | Schaltvorrichtung und Verfahren zur Schaltsteuerung eines automatisierten Gruppengetriebes |
JP5506484B2 (ja) * | 2010-03-23 | 2014-05-28 | アイシン・エーアイ株式会社 | 車両の動力伝達制御装置 |
US8864623B2 (en) * | 2010-07-09 | 2014-10-21 | Ford Global Technologies, Llc | Method for controlling a transmission coupled to an engine that may be automatically stopped |
US8498765B2 (en) * | 2010-09-29 | 2013-07-30 | Aisin Aw Co., Ltd. | Control device |
JP5080627B2 (ja) * | 2010-09-30 | 2012-11-21 | ジヤトコ株式会社 | 無段変速機及び変速制御方法 |
JP5807560B2 (ja) * | 2011-07-06 | 2015-11-10 | アイシン・エィ・ダブリュ株式会社 | 制御装置 |
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CN102444711B (zh) | 2015-08-19 |
CN102444711A (zh) | 2012-05-09 |
KR20120033969A (ko) | 2012-04-09 |
EP2436954A3 (en) | 2012-12-05 |
US20120083977A1 (en) | 2012-04-05 |
KR101318518B1 (ko) | 2013-10-18 |
EP2436954A2 (en) | 2012-04-04 |
US8560189B2 (en) | 2013-10-15 |
EP2436954B1 (en) | 2014-11-05 |
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