JP2009085231A - 無段変速機の変速比制御方法 - Google Patents
無段変速機の変速比制御方法 Download PDFInfo
- Publication number
- JP2009085231A JP2009085231A JP2007251623A JP2007251623A JP2009085231A JP 2009085231 A JP2009085231 A JP 2009085231A JP 2007251623 A JP2007251623 A JP 2007251623A JP 2007251623 A JP2007251623 A JP 2007251623A JP 2009085231 A JP2009085231 A JP 2009085231A
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- JP
- Japan
- Prior art keywords
- speed
- target
- continuously variable
- variable transmission
- clutch
- 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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Classifications
-
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4043—Control of a bypass valve
-
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/462—Automatic regulation in accordance with output requirements for achieving a target speed ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0241—Clutch slip, i.e. difference between input and output speeds
-
- 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
- F16H2312/00—Driving activities
- F16H2312/02—Driving off
-
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/425—Motor capacity control by electric actuators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
【解決手段】発進クラッチが半クラッチ状態の実エンジン回転数では、目標エンジン回転数から目標変速比を決定して無段変速機を目標変速比制御し(S6)、発進クラッチが繋がった状態の実エンジン回転数では、目標エンジン回転数に収束するように変速比を制御するので(S5)、比較的に大きなスロットル開度で発進しようとする場合、半クラッチ状態では、変速比位置がLOW位置に張り付いて実エンジン回転数が上昇することがなくなり、発進クラッチが繋がるときに所定の駆動力とすることができる。
【選択図】図5
Description
この場合、前記目標変速比制御は、前記車速と変速比マップによって求めた目標エンジン回転数を得るための変速比に1以下の定数を乗算して決定するようにすればよい。
(Nr/R)×K1≦V …(1)
Rt=(NE/V)×K1×K2 …(2)
61…斜板式油圧ポンプ
62…斜板式油圧モータ
63…入力筒軸
69…入力ギヤ
79…変速アクチュエータ
81…出力軸
85…油圧閉回路
E…エンジン
T…静油式無段変速機
Claims (4)
- エンジンのクランク軸と出力軸との間に、前記エンジンの回転数により自動的に断続する発進クラッチと入力軸の回転数に応じて連続的に変速可能な無段変速機とが直列に連結され、車速とスロットル開度とから目標エンジン回転数を演算し、該目標エンジン回転数に基づいて前記無段変速機の変速比制御を行う方法において、
前記発進クラッチが半クラッチ状態のエンジン回転数では、前記目標エンジン回転数から目標変速比を決定して前記無段変速機を目標変速比制御し、前記発進クラッチが繋がった状態のエンジン回転数では、該エンジン回転数が前記目標エンジン回転数に収束するように変速比を制御する
ことを特徴とする無段変速機の変速比制御方法。 - 請求項1記載の無段変速機の変速比制御方法において、
前記目標変速比制御で決定される前記目標変速比は、LOW位置とTOP位置の間の位置の変速比に設定する
ことを特徴とする無段変速機の変速比制御方法。 - 請求項2記載の無段変速機の変速比制御方法において、
前記目標変速比は、前記車速と変速比マップによって求めた目標エンジン回転数を得るための変速比に1以下の定数を乗算して決定する
ことを特徴とする無段変速機の変速比制御方法。 - 請求項1〜3のいずれか1項に記載の無段変速機の変速比制御方法において、
前記無段変速機は、斜板式静油圧無段変速機であり、前記目標変速比制御は、前記無段変速機の斜板角度を目標角度位置に移動させて行う
ことを特徴とする無段変速機の変速比制御方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007251623A JP4977566B2 (ja) | 2007-09-27 | 2007-09-27 | 無段変速機の変速比制御方法 |
CN2008102144191A CN101398077B (zh) | 2007-09-27 | 2008-08-26 | 无级变速器的变速比控制方法 |
CA2639535A CA2639535C (en) | 2007-09-27 | 2008-09-15 | Gear ratio control method for continuously variable transmission |
US12/284,430 US8682547B2 (en) | 2007-09-27 | 2008-09-22 | Gear ratio control method for continuously variable transmission of a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007251623A JP4977566B2 (ja) | 2007-09-27 | 2007-09-27 | 無段変速機の変速比制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009085231A true JP2009085231A (ja) | 2009-04-23 |
JP4977566B2 JP4977566B2 (ja) | 2012-07-18 |
Family
ID=40475152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007251623A Expired - Fee Related JP4977566B2 (ja) | 2007-09-27 | 2007-09-27 | 無段変速機の変速比制御方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8682547B2 (ja) |
JP (1) | JP4977566B2 (ja) |
CN (1) | CN101398077B (ja) |
CA (1) | CA2639535C (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8060288B2 (en) | 2009-03-20 | 2011-11-15 | Toyota Motor Engineering & Manufacturing North America, Inc. | Control system and method to inhibit automatic transmission downshifting during trailer sway |
US8965645B2 (en) * | 2009-06-25 | 2015-02-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for automated control of transmission ratio change |
US8585551B2 (en) | 2010-01-27 | 2013-11-19 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for adaptive continuously variable transmission gear ratio control |
US8655569B2 (en) * | 2010-03-02 | 2014-02-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for varying an output of a driveforce unit based on load data |
US8751124B2 (en) * | 2010-03-02 | 2014-06-10 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for adaptive electronic driveforce unit control |
US8494731B2 (en) * | 2011-11-23 | 2013-07-23 | Caterpillar Inc. | Method of controlling gear ratio rate of change in continuously variable transmission |
JP5267693B1 (ja) * | 2012-02-17 | 2013-08-21 | トヨタ自動車株式会社 | 車両 |
EP2888475B1 (en) | 2012-07-30 | 2016-09-14 | Parker Hannifin Corporation | Pump control system and method |
JP6137676B2 (ja) * | 2013-03-28 | 2017-05-31 | 本田技研工業株式会社 | 車両用パワーユニットおよび四輪車両 |
US9217505B2 (en) * | 2013-10-21 | 2015-12-22 | Cnh Industrial America Llc | System and method for enhancing the operation of a continuously variable transmission of a work vehicle |
CN103523010B (zh) * | 2013-10-23 | 2015-11-18 | 重庆长安汽车股份有限公司 | 一种混合动力汽车驱动过程中速比控制方法 |
NL1041928B1 (en) * | 2016-06-14 | 2017-12-21 | Bosch Gmbh Robert | Method for operating a continuously variable transmission in a motor vehicle equipped therewith |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06249329A (ja) * | 1993-02-24 | 1994-09-06 | Honda Motor Co Ltd | 車両用無段変速制御装置 |
JPH06265002A (ja) * | 1993-03-15 | 1994-09-20 | Mazda Motor Corp | 自動変速機の締結力制御装置 |
JPH07248056A (ja) * | 1994-03-11 | 1995-09-26 | Nissan Motor Co Ltd | 自動変速機の制御装置 |
JPH09329229A (ja) * | 1996-06-06 | 1997-12-22 | Nissan Motor Co Ltd | 無段変速機の変速制御装置 |
JPH1162652A (ja) * | 1997-08-13 | 1999-03-05 | Nissan Diesel Motor Co Ltd | 車両の発進ショック低減装置 |
JP2006200727A (ja) * | 2005-01-24 | 2006-08-03 | Honda Motor Co Ltd | 車両の変速制御装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07317578A (ja) * | 1994-05-27 | 1995-12-05 | Nissan Motor Co Ltd | 油圧作動式自動変速機の高油温防止装置 |
JPH07332462A (ja) * | 1994-06-13 | 1995-12-22 | Honda Motor Co Ltd | 自動車用変速機 |
US6024668A (en) * | 1999-04-01 | 2000-02-15 | Daimlerchrysler Corporation | Extreme cold logic limiting shifts to first and third speeds |
JP4051313B2 (ja) * | 2003-03-31 | 2008-02-20 | 本田技研工業株式会社 | 斜板プランジャ式油圧ユニットの斜板傾転角検出装置 |
JP4374265B2 (ja) | 2004-03-22 | 2009-12-02 | 本田技研工業株式会社 | パワーユニット |
JP2006002900A (ja) * | 2004-06-18 | 2006-01-05 | Nissan Motor Co Ltd | 車両の発進摩擦要素制御装置 |
JP4526379B2 (ja) * | 2004-12-27 | 2010-08-18 | ダイハツ工業株式会社 | 自動変速機の変速制御装置 |
-
2007
- 2007-09-27 JP JP2007251623A patent/JP4977566B2/ja not_active Expired - Fee Related
-
2008
- 2008-08-26 CN CN2008102144191A patent/CN101398077B/zh not_active Expired - Fee Related
- 2008-09-15 CA CA2639535A patent/CA2639535C/en not_active Expired - Fee Related
- 2008-09-22 US US12/284,430 patent/US8682547B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06249329A (ja) * | 1993-02-24 | 1994-09-06 | Honda Motor Co Ltd | 車両用無段変速制御装置 |
JPH06265002A (ja) * | 1993-03-15 | 1994-09-20 | Mazda Motor Corp | 自動変速機の締結力制御装置 |
JPH07248056A (ja) * | 1994-03-11 | 1995-09-26 | Nissan Motor Co Ltd | 自動変速機の制御装置 |
JPH09329229A (ja) * | 1996-06-06 | 1997-12-22 | Nissan Motor Co Ltd | 無段変速機の変速制御装置 |
JPH1162652A (ja) * | 1997-08-13 | 1999-03-05 | Nissan Diesel Motor Co Ltd | 車両の発進ショック低減装置 |
JP2006200727A (ja) * | 2005-01-24 | 2006-08-03 | Honda Motor Co Ltd | 車両の変速制御装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2639535A1 (en) | 2009-03-27 |
CN101398077A (zh) | 2009-04-01 |
CA2639535C (en) | 2010-12-14 |
CN101398077B (zh) | 2012-10-31 |
US20090088938A1 (en) | 2009-04-02 |
JP4977566B2 (ja) | 2012-07-18 |
US8682547B2 (en) | 2014-03-25 |
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