WO2008090650A1 - Ｈｓｔを備える作業車両 - Google Patents

Ｈｓｔを備える作業車両 Download PDF

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Publication number
WO2008090650A1
WO2008090650A1 PCT/JP2007/069818 JP2007069818W WO2008090650A1 WO 2008090650 A1 WO2008090650 A1 WO 2008090650A1 JP 2007069818 W JP2007069818 W JP 2007069818W WO 2008090650 A1 WO2008090650 A1 WO 2008090650A1
Authority
WO
WIPO (PCT)
Prior art keywords
hst
main clutch
running speed
working vehicle
run
Prior art date
Application number
PCT/JP2007/069818
Other languages
English (en)
French (fr)
Inventor
Hitoshi Nomura
Keiichi Hayashi
Hidehiro Yuki
Original Assignee
Yanmar Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007012655A external-priority patent/JP5107583B2/ja
Priority claimed from JP2007202063A external-priority patent/JP5122213B2/ja
Application filed by Yanmar Co., Ltd. filed Critical Yanmar Co., Ltd.
Priority to US12/523,925 priority Critical patent/US8261543B2/en
Priority to EP07829556.5A priority patent/EP2106951B1/en
Publication of WO2008090650A1 publication Critical patent/WO2008090650A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/101—Infinitely variable gearings
    • B60W10/103—Infinitely variable gearings of fluid type
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
    • 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
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • 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
    • B60W2510/0208—Clutch engagement state, e.g. engaged or disengaged
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles
    • B60Y2200/221—Tractors
    • 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
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

　ＨＳＴを備える作業車両において、走行時に主クラッチが切断された場合に、該ＨＳＴの油圧ポンプや、そのポンプ入力軸などが過回転するのを防止する。 　走行時に主クラッチ入切検出手段１１２が、主クラッチ２２の切状態を検知する（Ｓ２）と、制御手段１１０により走行速度検出手段１１６で検出された走行速度が設定速度以上か否かを判定し（Ｓ３）、この走行速度が設定速度以上であれば、ＨＳＴ５０の油圧ポンプ５１の可動斜板５５を現在の傾倒角度に保持する（Ｓ４）ように制御する。  
PCT/JP2007/069818 2007-01-23 2007-10-11 Ｈｓｔを備える作業車両 WO2008090650A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/523,925 US8261543B2 (en) 2007-01-23 2007-10-11 Working vehicle with HST
EP07829556.5A EP2106951B1 (en) 2007-01-23 2007-10-11 Working vehicle with a hydraulic stepless transmission

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007012655A JP5107583B2 (ja) 2007-01-23 2007-01-23 作業車両の走行装置
JP2007-012655 2007-01-23
JP2007-202063 2007-08-02
JP2007202063A JP5122213B2 (ja) 2006-08-04 2007-08-02 Ｈｓｔを備える作業車両

Publications (1)

Publication Number Publication Date
WO2008090650A1 true WO2008090650A1 (ja) 2008-07-31

Family

ID=39644228

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/069818 WO2008090650A1 (ja) 2007-01-23 2007-10-11 Ｈｓｔを備える作業車両

Country Status (3)

Country Link
US (1) US8261543B2 (ja)
EP (1) EP2106951B1 (ja)
WO (1) WO2008090650A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102422056A (zh) * 2009-05-13 2012-04-18 洋马株式会社 作业车辆的变速装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8725364B2 (en) * 2008-12-17 2014-05-13 Komatsu Ltd. Control device for hydraulic transmission vehicle
JP5871612B2 (ja) * 2011-12-26 2016-03-01 株式会社クボタ 作業車
JP6415839B2 (ja) * 2014-03-31 2018-10-31 住友重機械工業株式会社 ショベル
US10495219B2 (en) * 2015-04-03 2019-12-03 Cnh Industrial America Llc High drivability control for CVT tractors
JP6046857B2 (ja) * 2015-11-02 2016-12-21 株式会社小松製作所 作業車両の制御システム、制御方法、及び作業車両

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163065A (ja) * 1986-12-26 1988-07-06 Honda Motor Co Ltd 無段変速機付車両の変速制御方法
JPH0438757A (ja) * 1990-06-04 1992-02-07 Konica Corp ディスクの吸引検出装置
JP2002250438A (ja) * 2001-02-23 2002-09-06 Ishikawajima Shibaura Mach Co Ltd 油圧駆動車両の変速装置
JP2005178446A (ja) * 2003-12-16 2005-07-07 Advics:Kk 車両の制御装置の故障点検装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554991A (en) * 1984-02-23 1985-11-26 Mud Hog Corporation Auxiliary hydraulic drive system for road graders and the like
DE4029548A1 (de) * 1990-09-18 1992-03-19 Hydromatik Gmbh Steuer- und regelvorrichtung fuer ein hydrostatisches getriebe
US5508916A (en) * 1995-02-13 1996-04-16 Eaton Corporation Control for engagement of positive clutches in automated mechanical transmission systems
JPH094710A (ja) * 1995-06-07 1997-01-07 Caterpillar Inc スプリットトルク変速機用の故障時モード制御システム
JP3850568B2 (ja) * 1998-12-07 2006-11-29 カヤバ工業株式会社 Ｈｓｔ車両の制御機構
US7686737B2 (en) * 2005-09-30 2010-03-30 Kubota Corporation Speed control structure and method for work vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163065A (ja) * 1986-12-26 1988-07-06 Honda Motor Co Ltd 無段変速機付車両の変速制御方法
JPH0438757A (ja) * 1990-06-04 1992-02-07 Konica Corp ディスクの吸引検出装置
JP2002250438A (ja) * 2001-02-23 2002-09-06 Ishikawajima Shibaura Mach Co Ltd 油圧駆動車両の変速装置
JP2005178446A (ja) * 2003-12-16 2005-07-07 Advics:Kk 車両の制御装置の故障点検装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2106951A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102422056A (zh) * 2009-05-13 2012-04-18 洋马株式会社 作业车辆的变速装置

Also Published As

Publication number Publication date
US20100043419A1 (en) 2010-02-25
EP2106951A1 (en) 2009-10-07
EP2106951A4 (en) 2012-05-23
US8261543B2 (en) 2012-09-11
EP2106951B1 (en) 2013-06-26

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