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BR9007491A - Aparelho e metodo para controlar a tracao em veiculo de terraplanagem - Google Patents

Aparelho e metodo para controlar a tracao em veiculo de terraplanagem

Info

Publication number
BR9007491A
BR9007491A BR909007491A BR9007491A BR9007491A BR 9007491 A BR9007491 A BR 9007491A BR 909007491 A BR909007491 A BR 909007491A BR 9007491 A BR9007491 A BR 9007491A BR 9007491 A BR9007491 A BR 9007491A
Authority
BR
Brazil
Prior art keywords
vehicle
earth moving
control traction
traction
control
Prior art date
Application number
BR909007491A
Other languages
English (en)
Inventor
Gerald D Hardy
John P Hoffman
Larry E Kendrick
Stephen W Rector
Original Assignee
Caterpillar Inc
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
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of BR9007491A publication Critical patent/BR9007491A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2029—Controlling the position of implements in function of its load, e.g. modifying the attitude of implements in accordance to vehicle speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
BR909007491A 1990-04-05 1990-07-16 Aparelho e metodo para controlar a tracao em veiculo de terraplanagem BR9007491A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/505,284 US5040119A (en) 1990-04-05 1990-04-05 Draft control apparatus and method
PCT/US1990/003957 WO1991015106A1 (en) 1990-04-05 1990-07-16 Draft control apparatus and method

Publications (1)

Publication Number Publication Date
BR9007491A true BR9007491A (pt) 1992-06-16

Family

ID=24009697

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909007491A BR9007491A (pt) 1990-04-05 1990-07-16 Aparelho e metodo para controlar a tracao em veiculo de terraplanagem

Country Status (10)

Country Link
US (1) US5040119A (pt)
EP (1) EP0479952B1 (pt)
JP (1) JP2738591B2 (pt)
AU (1) AU633786B2 (pt)
BR (1) BR9007491A (pt)
CA (1) CA2051425C (pt)
DE (1) DE69028779T2 (pt)
MX (1) MX172640B (pt)
WO (1) WO1991015106A1 (pt)
ZA (1) ZA912068B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142800A (en) * 1991-12-27 1992-09-01 Logan Manufacturing Company Snow groomer tow frame alignment device
US5576962A (en) * 1995-03-16 1996-11-19 Caterpillar Inc. Control system and method for a hydrostatic drive system
US5884204A (en) * 1996-04-16 1999-03-16 Case Corporation Active roadability control for work vehicles
US6058342A (en) * 1996-07-25 2000-05-02 Case Corporation Precision control of implement position/motion
US6112719A (en) * 1998-12-15 2000-09-05 Caterpillar Inc. Acceleration based control system for speed governing
US6810366B2 (en) * 2002-03-25 2004-10-26 Caterpillar Inc Method and apparatus for filtering a signal using a deadband
US7127340B2 (en) * 2004-08-17 2006-10-24 Deere & Company Variable gain logic for a GPS based automatic steering system
US7954556B2 (en) * 2006-08-17 2011-06-07 Cnh America Llc Using a can bus engine torque/speed message as load feedback for implement draft control
US7933701B2 (en) * 2006-12-28 2011-04-26 Caterpillar Inc. Closed-loop motion-control system using error to modify gain
US20080257570A1 (en) * 2007-04-17 2008-10-23 Johnny Keplinger Electronic draft control for semi-trailed implements
FR2915525B1 (fr) * 2007-04-25 2012-10-12 Peugeot Citroen Automobiles Sa Procede et dispositif de regulation du regime d'un moteur equipe d'une commande en couple
US8600621B2 (en) 2011-12-20 2013-12-03 Caterpillar Inc. System and method for controlling slip
US10517238B2 (en) 2017-09-18 2019-12-31 Deere & Company Implement optimization by automated adjustments

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423785A (en) * 1980-03-18 1984-01-03 Kabushiki Kaisha Komatsu Seisakusho Load control device for a working tool of a construction vehicle
US4490791A (en) * 1982-04-19 1984-12-25 Chandler Evans Inc. Adaptive gas turbine acceleration control
US4495577A (en) * 1982-08-06 1985-01-22 Deere & Company Model reference adaptive implement control
US4866641A (en) * 1987-04-24 1989-09-12 Laser Alignment, Inc. Apparatus and method for controlling a hydraulic excavator
US4796712A (en) * 1987-09-03 1989-01-10 Ford Motor Company Draft load control systems
US4846283A (en) * 1987-09-08 1989-07-11 J. I. Case Company Engine-sensing draft control system with multiple feedback compensation mechanisms
US4807136A (en) * 1987-10-26 1989-02-21 Ford Motor Company Draft load measurement and control
US4834461A (en) * 1987-11-18 1989-05-30 Caterpillar Inc. Control system for a multiple shank impact ripper

Also Published As

Publication number Publication date
DE69028779T2 (de) 1997-05-07
AU633786B2 (en) 1993-02-04
DE69028779D1 (de) 1996-11-07
WO1991015106A1 (en) 1991-10-17
EP0479952A4 (en) 1992-09-09
EP0479952B1 (en) 1996-10-02
AU7171791A (en) 1991-10-30
ZA912068B (en) 1991-12-24
US5040119A (en) 1991-08-13
JP2738591B2 (ja) 1998-04-08
CA2051425A1 (en) 1991-10-06
JPH04506904A (ja) 1992-12-03
EP0479952A1 (en) 1992-04-15
MX172640B (es) 1994-01-04
CA2051425C (en) 2001-02-20

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Legal Events

Date Code Title Description
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 16/07/2005