JP4923079B2 - 無段変速機及びその制御方法 - Google Patents
無段変速機及びその制御方法 Download PDFInfo
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- JP4923079B2 JP4923079B2 JP2009079676A JP2009079676A JP4923079B2 JP 4923079 B2 JP4923079 B2 JP 4923079B2 JP 2009079676 A JP2009079676 A JP 2009079676A JP 2009079676 A JP2009079676 A JP 2009079676A JP 4923079 B2 JP4923079 B2 JP 4923079B2
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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
- F16H61/04—Smoothing ratio shift
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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
-
- 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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- 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
-
- 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
-
- 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
-
- 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
- F16H61/70—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
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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
- F16H61/70—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
- 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
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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
- F16H61/0202—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 the signals being electric
- F16H61/0204—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 the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Transmission Devices (AREA)
Description
11…油圧制御回路
12…変速機コントローラ
20…バリエータ
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
Claims (5)
- 車両に搭載され、エンジンの出力回転を変速して駆動輪に伝達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ベルト式無段変速機構(以下、「バリエータ」という。)と、
前記バリエータに対して直列に設けられ、前進用変速段として第1変速段と該第1変速段よりも変速比の小さな第2変速段とを有する副変速機構と、
前記車両の運転状態とアクセル開度に応じて選択される変速線とに基づき、該運転状態で達成すべき前記バリエータ及び前記副変速機構の全体の変速比(以下、「スルー変速比」という。)を到達スルー変速比として設定する到達スルー変速比設定手段と、
前記スルー変速比の実際値(以下、「実スルー変速比」という。)が、前記到達スルー変速比に所定の過渡応答で追従するように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制御する変速制御手段と、
前記実スルー変速比が所定のモード切換変速比を跨いで変化したときに前記副変速機構の変速段を変更するとともに前記バリエータの変速比を前記副変速機構の変速比が変化する方向と逆の方向に変更する協調変速手段と、
前記変速線に対してLow側に設定される低速モード用仮想変速線と、
前記変速線に対してHigh側に設定される高速モード用仮想変速線と、
前記車両の運転状態に基づき前記無段変速機の変速応答向上が要求されているか判定する変速応答向上要求判定手段と、
前記副変速機構が低速段、かつ、前記無段変速機の変速応答向上が要求されていると判定された場合には、変速線を現在の変速線から前記低速モード用仮想変速線に切り換え、前記実スルー変速比が前記モード切換変速比をLow側からHigh側に跨いで変化したときに、変速線を前記低速モード用仮想変速線から前記高速モード用仮想変速線に切り換えることで前記到達スルー変速比をHigh側に変更する変速時間短縮手段と、
を備えたことを特徴とする無段変速機。 - 請求項1に記載の無段変速機であって、
前記変速応答向上要求判定手段は、前記エンジンのアクセルペダルの開度が所定開度よりも大きいときに前記無段変速機の変速応答向上が要求されていると判定する、
ことを特徴とする無段変速機。 - 請求項1または2に記載の無段変速機であって、
前記変速応答向上要求判定手段は、前記車両が登坂走行しているときに前記無段変速機の変速応答向上が要求されていると判定する、
ことを特徴とする無段変速機。 - 請求項1から3のいずれか一つに記載の無段変速機であって、
前記変速応答向上要求判定手段は、前記無段変速機の油温あるいは前記副変速機構を構成する摩擦締結要素の温度が所定温度よりも高いときに前記無段変速機の変速応答向上が要求されていると判定する、
ことを特徴とする無段変速機。 - 車両に搭載され、エンジンの出力回転を変速して駆動輪に伝達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ベルト式無段変速機構(以下、「バリエータ」という。)と、前記バリエータに対して直列に設けられ、前進用変速段として第1変速段と該第1変速段よりも変速比の小さな第2変速段とを有する副変速機構とを備えた無段変速機の制御方法であって、
前記車両の運転状態とアクセル開度に応じて選択される変速線とに基づき、該運転状態で達成すべき前記バリエータ及び前記副変速機構の全体の変速比(以下、「スルー変速比」という。)を到達スルー変速比として設定する到達スルー変速比設定ステップと、
前記スルー変速比の実際値(以下、「実スルー変速比」という。)が、前記到達スルー変速比に所定の過渡応答で追従するように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制御する変速制御ステップと、
前記実スルー変速比が所定のモード切換変速比を跨いで変化したときに前記副変速機構の変速段を変更するとともに前記バリエータの変速比を前記副変速機構の変速比が変化する方向と逆の方向に変更する協調変速ステップと、
前記変速線に対してLow側に低速モード用仮想変速線を設定するステップと、
前記変速線に対してHigh側に高速モード用仮想変速線を設定するステップと、
前記車両の運転状態に基づき前記無段変速機の変速応答向上が要求されているか判定するステップと、
前記副変速機構が低速段、かつ、前記無段変速機の変速応答向上が要求されていると判定された場合には、変速線を現在の変速線から前記低速モード用仮想変速線に切り換え、前記実スルー変速比が前記モード切換変速比をLow側からHigh側に跨いで変化したときに、変速線を前記低速モード用仮想変速線から前記高速モード用仮想変速線に切り換えることで前記到達スルー変速比をHigh側に変更する変速時間短縮ステップと、
を含むことを特徴とする無段変速機の制御方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009079676A JP4923079B2 (ja) | 2009-03-27 | 2009-03-27 | 無段変速機及びその制御方法 |
EP10002300A EP2233795B1 (en) | 2009-03-27 | 2010-03-05 | Continuously variable transmission and control method thereof |
AT10002300T ATE514884T1 (de) | 2009-03-27 | 2010-03-05 | Stufenlos verstellbares getriebe und zugehöriges steuerungsverfahren |
US12/727,500 US8298119B2 (en) | 2009-03-27 | 2010-03-19 | Continuously variable transmission and control method thereof |
CN201010150599.9A CN101846178B (zh) | 2009-03-27 | 2010-03-25 | 无级变速器及其控制方法 |
KR1020100027039A KR101662844B1 (ko) | 2009-03-27 | 2010-03-26 | 무단 변속기 및 그 제어 방법 |
US13/618,516 US8403809B2 (en) | 2009-03-27 | 2012-09-14 | Continuously variable transmission and control method thereof |
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JP2009079676A JP4923079B2 (ja) | 2009-03-27 | 2009-03-27 | 無段変速機及びその制御方法 |
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JP2010230116A JP2010230116A (ja) | 2010-10-14 |
JP4923079B2 true JP4923079B2 (ja) | 2012-04-25 |
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US (2) | US8298119B2 (ja) |
EP (1) | EP2233795B1 (ja) |
JP (1) | JP4923079B2 (ja) |
KR (1) | KR101662844B1 (ja) |
CN (1) | CN101846178B (ja) |
AT (1) | ATE514884T1 (ja) |
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US8298119B2 (en) | 2012-10-30 |
EP2233795A1 (en) | 2010-09-29 |
KR101662844B1 (ko) | 2016-10-05 |
US8403809B2 (en) | 2013-03-26 |
JP2010230116A (ja) | 2010-10-14 |
US20130013160A1 (en) | 2013-01-10 |
ATE514884T1 (de) | 2011-07-15 |
CN101846178A (zh) | 2010-09-29 |
US20100248895A1 (en) | 2010-09-30 |
KR20100108273A (ko) | 2010-10-06 |
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EP2233795B1 (en) | 2011-06-29 |
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