BR8707375A - Aparelho para posicionar seletivamente um elemento de trabalho movel de um veiculo de trabalho - Google Patents

Aparelho para posicionar seletivamente um elemento de trabalho movel de um veiculo de trabalho

Info

Publication number
BR8707375A
BR8707375A BR8707375A BR8707375A BR8707375A BR 8707375 A BR8707375 A BR 8707375A BR 8707375 A BR8707375 A BR 8707375A BR 8707375 A BR8707375 A BR 8707375A BR 8707375 A BR8707375 A BR 8707375A
Authority
BR
Brazil
Prior art keywords
appliance
working
selectively positioning
mobile
vehicle
Prior art date
Application number
BR8707375A
Other languages
English (en)
Inventor
Gerald Douglas Hardy
John Paul Hoffman
Larry Ellis Kendrick
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 BR8707375A publication Critical patent/BR8707375A/pt

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/20—Control of position or direction using feedback using a digital comparing device
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/1117—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a hitch position sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Transplanting Machines (AREA)
  • Control Of Position Or Direction (AREA)
BR8707375A 1986-07-02 1987-07-01 Aparelho para posicionar seletivamente um elemento de trabalho movel de um veiculo de trabalho BR8707375A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/881,412 US4852657A (en) 1986-07-02 1986-07-02 Apparatus for selectively positioning movable work element with preselected maximum velocity control
PCT/US1987/001525 WO1988000003A1 (en) 1986-07-02 1987-07-01 Three point hitch velocity control

Publications (1)

Publication Number Publication Date
BR8707375A true BR8707375A (pt) 1988-09-13

Family

ID=25378419

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8707375A BR8707375A (pt) 1986-07-02 1987-07-01 Aparelho para posicionar seletivamente um elemento de trabalho movel de um veiculo de trabalho

Country Status (8)

Country Link
US (1) US4852657A (pt)
EP (1) EP0274501B1 (pt)
JP (1) JP2529322B2 (pt)
AU (1) AU597401B2 (pt)
BR (1) BR8707375A (pt)
CA (1) CA1319966C (pt)
SG (1) SG6692G (pt)
WO (1) WO1988000003A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837691A (en) * 1987-05-27 1989-06-06 Deere & Company Hitch control system with start-up lock-out
US4979092A (en) * 1989-01-06 1990-12-18 Deere & Company Hitch control system
US5218895A (en) * 1990-06-15 1993-06-15 Caterpillar Inc. Electrohydraulic control apparatus and method
US5320186A (en) * 1991-06-03 1994-06-14 Ford New Holland, Inc. Draft control system with closed loop drop/raise rate control
DE69204749T2 (de) * 1991-06-03 1996-04-04 Ford New Holland Ltd Regelsystem für Anhängerkupplung mit Entkupplungssicherheitsvorrichtung.
JPH0771412A (ja) * 1993-09-03 1995-03-17 Kubota Corp 作業車の油圧アクチュエータ操作構造
US5697454A (en) * 1995-07-18 1997-12-16 Wilcox Brothers Incorporated Three-point hitch assembly
US5737993A (en) * 1996-06-24 1998-04-14 Caterpillar Inc. Method and apparatus for controlling an implement of a work machine
US6196327B1 (en) 1999-04-01 2001-03-06 Case Corporation EDC draft force based ride controller
US6209656B1 (en) * 1999-09-30 2001-04-03 Caterpillar Inc. Apparatus and method for controlling the position of an arm on a hitch
US6250396B1 (en) 1999-09-30 2001-06-26 Caterpillar Inc. Method and apparatus for controlling a hitch
US6442501B1 (en) 1999-09-30 2002-08-27 Agco Corporation Method and apparatus for controlling an implement
US6810366B2 (en) * 2002-03-25 2004-10-26 Caterpillar Inc Method and apparatus for filtering a signal using a deadband
US7654335B2 (en) * 2006-02-08 2010-02-02 Caterpillar Trimble Control Technologies Llc System and method for controlling an implement based upon a gear shift
US20100106344A1 (en) * 2008-10-27 2010-04-29 Edwards Dean B Unmanned land vehicle having universal interfaces for attachments and autonomous operation capabilities and method of operation thereof
US10187288B2 (en) 2017-03-09 2019-01-22 Caterpillar Inc. Communicating data link information using a light source
US10601188B2 (en) 2018-08-01 2020-03-24 Cnh Industrial America Llc Jumper harness with LED

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2094610A5 (pt) * 1970-06-26 1972-02-04 Bull General Electric
US4132273A (en) * 1977-06-30 1979-01-02 International Harvester Company Tractor hitch control system having safety features
US4132272A (en) * 1977-06-30 1979-01-02 International Harvester Company Tractor hitch position control system
DE2816212A1 (de) * 1978-04-14 1979-10-25 Bosch Gmbh Robert Steuergeraet fuer ein hydraulisches arbeitsgeraet
DD140391B1 (de) * 1978-11-30 1983-07-27 Rolf Rueger Verfahren zur geregelten einstellung physikalischer groessen
DE2927585C2 (de) * 1979-07-07 1983-06-09 Xaver Fendt & Co, 8952 Marktoberdorf Verfahren und Einrichtung zum Regeln der Arbeitstiefe eines von einer landwirtschaftlichen Zugmaschine, wie z.B. einem Schlepper getragenen Pfluges
JPS5714926A (en) * 1980-06-30 1982-01-26 Nec Corp Reset controlling system of input/output device
US4343365A (en) * 1980-07-07 1982-08-10 Ford Motor Company Electrically operated hydraulic power lift system
DE3047100A1 (de) * 1980-12-13 1982-07-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur schlupferkennung bei angebautem geraet
CA1196998A (en) * 1981-10-22 1985-11-19 James M. Sakundiak Automatic electronic depth and height control
US4491776A (en) * 1982-05-25 1985-01-01 Manhattan Engineering Company, Inc. Servo operated digital positioning control system
US4486693A (en) * 1982-07-06 1984-12-04 Contitronix, Inc. Motor velocity control
JPS5947504A (ja) * 1982-09-08 1984-03-17 Shoketsu Kinzoku Kogyo Co Ltd 流体圧シリンダの制御方法及び装置
US4508176A (en) * 1982-11-22 1985-04-02 Deere & Company Vehicle with control system having operator-actuable switch for storing parameter signal value to control vehicle-connected implement raising and lowering structure
DE3316305C2 (de) * 1983-05-04 1986-09-04 Mannesmann Rexroth GmbH, 8770 Lohr Schaltungsanordnung zum Steuern eines von einem Schlepper gezogenen, mittels eines Hubzylinders der Höhe nach verstellbaren Anbaugeräts
JPH0655037B2 (ja) * 1983-07-15 1994-07-20 シャープ株式会社 サーボモータの速度制御方法
US4574227A (en) * 1983-11-14 1986-03-04 Datapoint Corporation Dual mode servo
AU569362B2 (en) * 1984-02-10 1988-01-28 Deere & Company Self-tuning regulator implement control
GB2166889B (en) * 1984-11-09 1988-01-06 Ferranti Plc Servo positioning system
US4612489A (en) * 1984-12-20 1986-09-16 Vickers, Incorporated Power transmission

Also Published As

Publication number Publication date
JP2529322B2 (ja) 1996-08-28
AU7646187A (en) 1988-01-29
CA1319966C (en) 1993-07-06
US4852657A (en) 1989-08-01
SG6692G (en) 1992-03-20
AU597401B2 (en) 1990-05-31
JPH01500163A (ja) 1989-01-26
WO1988000003A1 (en) 1988-01-14
EP0274501B1 (en) 1990-09-19
EP0274501A1 (en) 1988-07-20

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee