ATE334315T1 - Verfahren zur erzeugung eines ventilsteuersignals - Google Patents

Verfahren zur erzeugung eines ventilsteuersignals

Info

Publication number
ATE334315T1
ATE334315T1 AT04714279T AT04714279T ATE334315T1 AT E334315 T1 ATE334315 T1 AT E334315T1 AT 04714279 T AT04714279 T AT 04714279T AT 04714279 T AT04714279 T AT 04714279T AT E334315 T1 ATE334315 T1 AT E334315T1
Authority
AT
Austria
Prior art keywords
generating
control signal
valve control
valve
signal
Prior art date
Application number
AT04714279T
Other languages
English (en)
Inventor
William Guy Alexander
David James Boege
Original Assignee
Deere & Co
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 Deere & Co filed Critical Deere & Co
Application granted granted Critical
Publication of ATE334315T1 publication Critical patent/ATE334315T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Mechanical Control Devices (AREA)
  • Position Input By Displaying (AREA)
  • Fluid-Pressure Circuits (AREA)
AT04714279T 2003-03-07 2004-02-25 Verfahren zur erzeugung eines ventilsteuersignals ATE334315T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/383,923 US6895319B2 (en) 2003-03-07 2003-03-07 Valve command signal processing system

Publications (1)

Publication Number Publication Date
ATE334315T1 true ATE334315T1 (de) 2006-08-15

Family

ID=32927160

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04714279T ATE334315T1 (de) 2003-03-07 2004-02-25 Verfahren zur erzeugung eines ventilsteuersignals

Country Status (14)

Country Link
US (1) US6895319B2 (de)
EP (1) EP1604118B1 (de)
JP (1) JP2006519965A (de)
KR (1) KR20050106087A (de)
AR (1) AR043408A1 (de)
AT (1) ATE334315T1 (de)
AU (1) AU2004217795B2 (de)
BR (1) BRPI0407859A (de)
CA (1) CA2518007A1 (de)
DE (1) DE602004001678T2 (de)
DK (1) DK1604118T3 (de)
NO (1) NO20053317L (de)
WO (1) WO2004079206A1 (de)
ZA (1) ZA200504989B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526989C2 (sv) * 2004-04-19 2005-11-29 Volvo Constr Equip Holding Se Metod för skakning av arbetsredskap
US7866149B2 (en) * 2007-09-05 2011-01-11 Caterpillar Inc System and method for rapidly shaking an implement of a machine
EP2246448B1 (de) 2008-02-26 2016-10-12 Mitsubishi Shindoh Co., Ltd. Hochfester und in hohem masse leitfähiger kupferdraht
JP2013189850A (ja) * 2013-05-08 2013-09-26 Sanyo Kiki Co Ltd フロントローダの制御システム
CN107989111B (zh) * 2017-11-21 2021-02-19 黎明液压有限公司 装载机液压系统自动控制系统
US11280063B2 (en) 2018-06-19 2022-03-22 Komatsu Ltd. Work vehicle control system and work vehicle control method
CN109653268B (zh) * 2018-12-06 2021-05-14 广西柳工机械股份有限公司 装载机自动铲装收斗控制方法
GB2593759B (en) 2020-04-02 2023-04-26 Caterpillar Inc Method and control unit for generating a control command to at least one actuator of an electro-hydraulic machine
EP4124695A1 (de) * 2021-07-26 2023-02-01 Danfoss Scotland Limited Steuergerät und hydraulikvorrichtung mit verwendung von schwankenden signalen für die bewegung eines hydraulikaktuators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923362A (en) * 1988-06-06 1990-05-08 Deere & Company Bucket leveling system with dual fluid supply
US5189940A (en) * 1991-09-13 1993-03-02 Caterpillar Inc. Method and apparatus for controlling an implement
JP2869311B2 (ja) * 1993-09-30 1999-03-10 新キャタピラー三菱株式会社 油圧アクチュエータ用のバルブ制御装置
JP3868112B2 (ja) * 1998-05-22 2007-01-17 株式会社小松製作所 油圧駆動機械の制御装置
US6105679A (en) * 1998-10-29 2000-08-22 Case Corporation Control system for a hitched or trailed implement
JP2003065301A (ja) * 2001-08-24 2003-03-05 Shin Caterpillar Mitsubishi Ltd 建設機械の油圧制御装置

Also Published As

Publication number Publication date
NO20053317L (no) 2005-09-30
BRPI0407859A (pt) 2006-03-01
DE602004001678D1 (de) 2006-09-07
US6895319B2 (en) 2005-05-17
AU2004217795B2 (en) 2009-05-07
ZA200504989B (en) 2006-09-27
US20040176894A1 (en) 2004-09-09
EP1604118A1 (de) 2005-12-14
WO2004079206A1 (en) 2004-09-16
DE602004001678T2 (de) 2006-11-30
DK1604118T3 (da) 2006-11-27
AU2004217795A1 (en) 2004-09-16
CA2518007A1 (en) 2004-09-16
NO20053317D0 (no) 2005-07-06
EP1604118B1 (de) 2006-07-26
JP2006519965A (ja) 2006-08-31
KR20050106087A (ko) 2005-11-08
AR043408A1 (es) 2005-07-27

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