JP2008038917A - 無段変速機の変速制御装置 - Google Patents
無段変速機の変速制御装置 Download PDFInfo
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- JP2008038917A JP2008038917A JP2006201217A JP2006201217A JP2008038917A JP 2008038917 A JP2008038917 A JP 2008038917A JP 2006201217 A JP2006201217 A JP 2006201217A JP 2006201217 A JP2006201217 A JP 2006201217A JP 2008038917 A JP2008038917 A JP 2008038917A
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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
- 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
-
- 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
-
- 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
- F16H61/66272—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 characterised by means for controlling the torque transmitting capability of the gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
【解決手段】推定差圧算出手段156により算出された推定バルブ差圧ΔPに基づいて変速制御指令信号STを基準Duty値としたときの入力側油圧シリンダ42cに流入出可能な最大流量Qmaxが最大流量算出手段166により算出され、最大流量Qmaxに基づいてガード値算出手段168により算出されたガード値ΔXgを用いてガード後目標シーブ位置設定手段170によりシーブ位置変化量ガード処理が実行されてガード後目標シーブ位置Xtgが設定されるので、変速に際して、その目標シーブ位置Xtgの変化が過度に大きくされず且つ過剰に小さくされないことから、目標シーブ位置Xtgの変化量に基づくフィードフォワード制御量が適切な値となるように目標値が設定される。
【選択図】図4
Description
PL×b=PSLT×a+FS ・・・(1)
従って、ライン油圧PLは、次式(2)で表され、制御油圧PSLTに比例する。
PL=PSLT×(a/b)+FS/b ・・・(2)
Pτ×b=Pd×a+FS ・・・(3)
従って、推力比制御油圧Pτは、次式(4)で表され、ベルト挟圧Pdに比例する。
Pτ=Pd×(a/b)+FS/b ・・・(4)
推定Pin圧=(WIN−kIN×NIN 2)/SIN ・・・(5)
WIN=WOUT/(a+b×log10γ+c×TIN+d×NIN) ・・・(6)
WOUT=Pd×SOUT+kOUT×NOUT 2 ・・・(7)
ΔXt=Xt(i)−Xtg(i−1) ・・・(8)
Xtg=Xtg(i−1)+ΔXtg(i) ・・・(9)
QFF=(Xtg(i)−Xtg(i−1))×SIN ・・・(10)
QFB=C×(Xtg(i)−X(i))+C×∫d(Xtg(i)−X(i))dt ・・・(11)
42:入力側可変プーリ(プライマリプーリ)
42a:入力側固定シーブ(固定シーブ)
42b:入力側可動シーブ(可動シーブ)
42c:入力側油圧シリンダ(油圧アクチュエータ)
46:出力側可変プーリ(セカンダリプーリ)
46a:出力側固定シーブ(固定シーブ)
46b:出力側可動シーブ(可動シーブ)
48:伝動ベルト(ベルト)
50:電子制御装置(変速制御装置)
114:変速比コントロールバルブUP(変速制御弁)
116:変速比コントロールバルブDN(変速制御弁)
156:推定差圧算出手段
166:最大流量算出手段
168:ガード値算出手段
170:ガード後目標シーブ位置設定手段(目標値設定手段)
Claims (5)
- 変速比を連続的に変化させるために作動油の流入出によって駆動される油圧アクチュエータを有する無段変速機が配設された車両において、前記油圧アクチュエータに流入出する作動油量を調整する変速制御弁を駆動制御するための駆動指令値を、前記無段変速機を変速制御するための目標値の変化量に基づくフィードフォワード制御量に基づいて求める無段変速機の変速制御装置であって、
前記変速制御弁の上流側油圧と下流側油圧との差圧の推定値を算出する推定差圧算出手段と、
前記差圧の推定値に基づいて前記駆動指令値を所定値としたときにおける前記油圧アクチュエータに流入出可能な最大流量を算出する最大流量算出手段と、
前記最大流量に基づいて前記目標値の変化量のガード値を算出するガード値算出手段と、
前記ガード値を用いて前記目標値の変化量を抑制するガード処理を実行して該目標値を設定する目標値設定手段と
を、含むことを特徴とする無段変速機の変速制御装置。 - 前記最大流量算出手段は、前記所定値として、前記駆動指令値の最大値よりも所定幅小さな値を用いるものである請求項1の無段変速機の変速制御装置。
- 前記推定差圧算出手段は、前記変速制御弁の上流側油圧と下流側油圧とに基づく前記差圧の演算値が所定の下限値以上であるときには該演算値を差圧の推定値として算出する一方で、該演算値が所定の下限値よりも小さいときには該下限値を差圧の推定値として算出するものである請求項1または2の無段変速機の変速制御装置。
- 前記変速制御弁の上流側油圧はライン油圧であり、
前記変速制御弁の下流側油圧は前記油圧アクチュエータに作用する油圧であり、
前記推定差圧算出手段は、最大出力可能なライン油圧に基づいて該ライン油圧と前記油圧アクチュエータに作用する油圧との最大差圧の推定値を算出するものである請求項1乃至3のいずれかの無段変速機の変速制御装置。 - 前記無段変速機は、固定シーブおよび可動シーブを備えた有効径が可変のプライマリプーリおよびセカンダリプーリと、該両プーリに巻き掛けられたベルトとを有するベルト式無段変速機であり、
前記油圧アクチュエータは、前記プライマリプーリの可動シーブを駆動するものであり、
前記可動シーブの位置が前記目標値として設定されるものである請求項1乃至4のいずれかの無段変速機の変速制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006201217A JP4277882B2 (ja) | 2006-07-10 | 2006-07-24 | 無段変速機の変速制御装置 |
US11/808,552 US7654935B2 (en) | 2006-07-10 | 2007-06-11 | Shift control system and shift control method for continuously variable transmission |
EP07252430A EP1878952B1 (en) | 2006-07-10 | 2007-06-14 | Shift control system and shift control method for continuously variable transmission |
CN2007101272997A CN101105225B (zh) | 2006-07-10 | 2007-07-10 | 无级变速器的变速控制系统和变速控制方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006189720 | 2006-07-10 | ||
JP2006201217A JP4277882B2 (ja) | 2006-07-10 | 2006-07-24 | 無段変速機の変速制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008038917A true JP2008038917A (ja) | 2008-02-21 |
JP4277882B2 JP4277882B2 (ja) | 2009-06-10 |
Family
ID=38617389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006201217A Expired - Fee Related JP4277882B2 (ja) | 2006-07-10 | 2006-07-24 | 無段変速機の変速制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7654935B2 (ja) |
EP (1) | EP1878952B1 (ja) |
JP (1) | JP4277882B2 (ja) |
CN (1) | CN101105225B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4762875B2 (ja) * | 2006-12-15 | 2011-08-31 | ジヤトコ株式会社 | ベルト式無段変速機の変速制御装置 |
US8771120B2 (en) * | 2007-03-08 | 2014-07-08 | Gm Global Technology Operations, Llc | Control system for electronic range selection in a dual clutch transmission and for a differential in a transmission |
US7896775B2 (en) * | 2007-03-08 | 2011-03-01 | GM Global Technology Operations LLC | Control system for electronic range selection in a dual clutch transmission |
EP2085660A1 (en) * | 2008-02-01 | 2009-08-05 | GM Global Technology Operations, Inc. | Process for calibrating an automatic transmission |
US8585544B2 (en) * | 2009-03-09 | 2013-11-19 | Toyota Jidosha Kabushiki Kaisha | Drive force control system |
JP4847567B2 (ja) * | 2009-08-26 | 2011-12-28 | ジヤトコ株式会社 | 無段変速機及びその制御方法 |
KR20130064916A (ko) * | 2011-12-09 | 2013-06-19 | 현대자동차주식회사 | 시프트 바이 와이어용 변속시스템 |
US9080666B2 (en) | 2012-05-29 | 2015-07-14 | Gm Global Technology Operations, Inc. | Discrete mechanism for electronic transmission range selection |
JP5678929B2 (ja) * | 2012-08-01 | 2015-03-04 | トヨタ自動車株式会社 | 自動変速機の制御装置 |
EP3409966B1 (en) * | 2013-03-13 | 2020-09-16 | Eaton Corporation | System and method for clutch pressure control |
JP6805657B2 (ja) * | 2016-09-08 | 2020-12-23 | 日産自動車株式会社 | 無段変速機及び無段変速機の制御方法 |
US10948081B2 (en) | 2017-03-02 | 2021-03-16 | Toyota Motor Engineering & Manufacturing North America, Inc. | Downsized CVT oil pump achieved by slip device |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05215218A (ja) * | 1992-01-31 | 1993-08-24 | Mazda Motor Corp | 自動変速機の制御装置 |
JP3620638B2 (ja) * | 1999-04-30 | 2005-02-16 | ジヤトコ株式会社 | 自動変速機の制御装置 |
US6123645A (en) * | 1999-06-01 | 2000-09-26 | General Motors Corporation | Neutral idle control mechanism for a torque-transmitting clutch in a power transmission |
JP2003139167A (ja) * | 2001-11-01 | 2003-05-14 | Honda Motor Co Ltd | 自動変速機の油圧制御機構 |
JP3873756B2 (ja) | 2002-02-04 | 2007-01-24 | トヨタ自動車株式会社 | 無段変速機の制御装置 |
JP2003269588A (ja) | 2002-03-15 | 2003-09-25 | Toyota Motor Corp | 無段変速機の入力回転速度予測装置、無段変速機の入力慣性トルク算出装置、それらのいずれかを含む無段変速機の制御装置、無段変速機の入力回転速度予測方法、無段変速機の入力慣性トルク算出方法及びそれらのいずれかを用いた無段変速機の制御方法 |
JP2003343709A (ja) | 2002-05-29 | 2003-12-03 | Toyota Motor Corp | 無段変速機の制御装置 |
JP3794483B2 (ja) * | 2002-06-05 | 2006-07-05 | 本田技研工業株式会社 | 車両用無段変速機の制御装置 |
JP2004144233A (ja) | 2002-10-25 | 2004-05-20 | Toyota Motor Corp | 車両の制御装置および車両の制御方法 |
JP4358547B2 (ja) | 2003-04-21 | 2009-11-04 | 富士重工業株式会社 | 無段変速機の変速制御装置 |
JP2005207569A (ja) | 2003-12-25 | 2005-08-04 | Toyota Motor Corp | 無段変速機による車輌駆動装置の変速制御装置 |
JP2005299805A (ja) | 2004-04-12 | 2005-10-27 | Toyota Motor Corp | 無段変速機を搭載した車両の制御装置 |
JP4970753B2 (ja) * | 2005-08-03 | 2012-07-11 | 日産自動車株式会社 | 自動マニュアルトランスミッションの変速制御装置 |
-
2006
- 2006-07-24 JP JP2006201217A patent/JP4277882B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-11 US US11/808,552 patent/US7654935B2/en not_active Expired - Fee Related
- 2007-06-14 EP EP07252430A patent/EP1878952B1/en not_active Expired - Fee Related
- 2007-07-10 CN CN2007101272997A patent/CN101105225B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1878952A2 (en) | 2008-01-16 |
EP1878952B1 (en) | 2011-12-28 |
US7654935B2 (en) | 2010-02-02 |
EP1878952A3 (en) | 2010-11-03 |
JP4277882B2 (ja) | 2009-06-10 |
CN101105225A (zh) | 2008-01-16 |
US20080009390A1 (en) | 2008-01-10 |
CN101105225B (zh) | 2010-06-02 |
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