KR100428883B1 - 건설기계의 유압회로제어장치 - Google Patents

건설기계의 유압회로제어장치 Download PDF

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Publication number
KR100428883B1
KR100428883B1 KR10-2001-7003879A KR20017003879A KR100428883B1 KR 100428883 B1 KR100428883 B1 KR 100428883B1 KR 20017003879 A KR20017003879 A KR 20017003879A KR 100428883 B1 KR100428883 B1 KR 100428883B1
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KR
South Korea
Prior art keywords
command value
signal
valve
lever
maximum
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR10-2001-7003879A
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English (en)
Korean (ko)
Other versions
KR20010079934A (ko
Inventor
와타나베히로시
오히라슈지
후지시마가즈오
오구라히로시
하가마사카즈
도미타사다히사
Original Assignee
히다치 겡키 가부시키 가이샤
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Publication date
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Publication of KR20010079934A publication Critical patent/KR20010079934A/ko
Application granted granted Critical
Publication of KR100428883B1 publication Critical patent/KR100428883B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
KR10-2001-7003879A 1999-07-29 2000-07-27 건설기계의 유압회로제어장치 Expired - Fee Related KR100428883B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11-214825 1999-07-29
JP21482599A JP3940242B2 (ja) 1999-07-29 1999-07-29 建設機械の油圧回路制御装置

Publications (2)

Publication Number Publication Date
KR20010079934A KR20010079934A (ko) 2001-08-22
KR100428883B1 true KR100428883B1 (ko) 2004-04-29

Family

ID=16662166

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2001-7003879A Expired - Fee Related KR100428883B1 (ko) 1999-07-29 2000-07-27 건설기계의 유압회로제어장치

Country Status (7)

Country Link
US (1) US6430490B1 (enExample)
EP (1) EP1126087B1 (enExample)
JP (1) JP3940242B2 (enExample)
KR (1) KR100428883B1 (enExample)
CN (1) CN1183304C (enExample)
DE (1) DE60043649D1 (enExample)
WO (1) WO2001009440A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3805200B2 (ja) * 2001-02-02 2006-08-02 株式会社クボタ 作業車
JP2003150261A (ja) * 2001-11-15 2003-05-23 Alps Electric Co Ltd ダンパー力付与操作制御装置
US6965822B2 (en) * 2002-07-19 2005-11-15 Cnh America Llc Work vehicle including startup control current calibration mechanism for proportional control systems
US7287620B2 (en) * 2004-07-13 2007-10-30 Caterpillar S.A.R.L. Method and apparatus for controlling the speed ranges of a machine
AT502348B1 (de) * 2005-08-17 2008-09-15 Voest Alpine Ind Anlagen Regelungsverfahren und regler für ein mechanisch- hydraulisches system mit einem mechanischen freiheitsgrad pro hydraulischem aktuator
JP4804137B2 (ja) * 2005-12-09 2011-11-02 株式会社小松製作所 作業車両のエンジン負荷制御装置
US8364354B2 (en) * 2008-10-24 2013-01-29 Deere & Company Blade speed control logic
CN104956006B (zh) * 2012-12-13 2017-10-03 现代建设机械（株） 用于基于操纵杆控制的建筑设备的自动控制系统和方法
KR101483457B1 (ko) 2013-10-30 2015-01-16 한국도키멕 주식회사 레디얼 피스톤 펌프 제어시스템 및 방법
IT201900005238A1 (it) * 2019-04-05 2020-10-05 Cnh Ind Italia Spa Procedimento di controllo per l'attuazione di un movimento di almeno uno tra un braccio ed un attrezzo collegato al braccio in una macchina operatrice azionata da un motore, sistema di controllo corrispondente e macchina operatrice comprendente tale sistema di controllo
US20240044108A1 (en) * 2020-08-28 2024-02-08 Nec Corporation Work control method of construction machine, work control system, and work control apparatus
CN114810696B (zh) * 2022-04-28 2025-04-22 柳州柳工挖掘机有限公司 液压系统、控制方法和轮式挖掘机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195554A (ja) * 1992-01-20 1993-08-03 Kubota Corp 土工機における油圧アクチュエータ制御装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165585A (ja) * 1982-03-26 1983-09-30 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS58192986A (ja) * 1982-04-07 1983-11-10 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
US4400937A (en) * 1982-09-29 1983-08-30 Deere & Company Control for quickly effecting displacement changes in a pump supplying fluid to primary and secondary function control valves
JPS6030491A (ja) * 1983-07-29 1985-02-16 Hitachi Constr Mach Co Ltd 油圧ポンプの故障診断装置
JPS6213542A (ja) 1985-07-10 1987-01-22 Daido Steel Co Ltd 金属回収方法
JPS6239295A (ja) 1985-08-14 1987-02-20 株式会社　熊平製作所 個人確認装置
US4801247A (en) * 1985-09-02 1989-01-31 Yuken Kogyo Kabushiki Kaisha Variable displacement piston pump
JP2900286B2 (ja) * 1990-10-31 1999-06-02 富士重工業株式会社 無段変速機の制御装置
US5249422A (en) * 1991-12-20 1993-10-05 Caterpillar Inc. Apparatus for calibrating the speed of hydrostatically driven traction motors
JP2682925B2 (ja) * 1992-01-20 1997-11-26 株式会社クボタ 土工機における油圧アクチュエータ制御装置
JPH0712104A (ja) * 1993-06-21 1995-01-17 Hitachi Constr Mach Co Ltd 油圧機械の駆動制御装置
JPH07107279A (ja) 1993-10-01 1995-04-21 Canon Inc 画像処理装置
US5701793A (en) * 1996-06-24 1997-12-30 Catepillar Inc. Method and apparatus for controlling an implement of a work machine
JP3586516B2 (ja) * 1996-07-22 2004-11-10 株式会社神戸製鋼所 操作制御装置及び操作制御方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195554A (ja) * 1992-01-20 1993-08-03 Kubota Corp 土工機における油圧アクチュエータ制御装置

Also Published As

Publication number Publication date
CN1183304C (zh) 2005-01-05
WO2001009440A1 (en) 2001-02-08
US6430490B1 (en) 2002-08-06
EP1126087B1 (en) 2010-01-06
EP1126087A4 (en) 2003-04-23
JP2001040712A (ja) 2001-02-13
JP3940242B2 (ja) 2007-07-04
EP1126087A1 (en) 2001-08-22
KR20010079934A (ko) 2001-08-22
CN1319153A (zh) 2001-10-24
DE60043649D1 (de) 2010-02-25

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