DE69738461D1 - Steuervorrichtung einer Hydraulikantriebsmaschine - Google Patents

Steuervorrichtung einer Hydraulikantriebsmaschine

Info

Publication number
DE69738461D1
DE69738461D1 DE69738461T DE69738461T DE69738461D1 DE 69738461 D1 DE69738461 D1 DE 69738461D1 DE 69738461 T DE69738461 T DE 69738461T DE 69738461 T DE69738461 T DE 69738461T DE 69738461 D1 DE69738461 D1 DE 69738461D1
Authority
DE
Germany
Prior art keywords
control device
hydraulic drive
drive machine
machine
hydraulic
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 - Lifetime
Application number
DE69738461T
Other languages
English (en)
Inventor
Seiji Kamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu 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 JP04155496A external-priority patent/JP3673003B2/ja
Priority claimed from JP04310196A external-priority patent/JP3723270B2/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69738461D1 publication Critical patent/DE69738461D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/163Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/0315Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/166Controlling a pilot pressure in response to the load, i.e. supply to at least one user is regulated by adjusting either the system pilot pressure or one or more of the individual pilot command pressures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08Servomotor systems incorporating electrically operated control means
    • F15B21/087Control strategy, e.g. with block diagram
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/0315Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
    • B60R2016/0322Temporary code for documents to be reclassified to G08C, H04L or H04Q
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • F15B2211/20553Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3111Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/327Directional control characterised by the type of actuation electrically or electronically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6309Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6313Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/633Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6346Electronic controllers using input signals representing a state of input means, e.g. joystick position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6651Control of the prime mover, e.g. control of the output torque or rotational speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6652Control of the pressure source, e.g. control of the swash plate angle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6654Flow rate control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/67Methods for controlling pilot pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051Linear output members
    • F15B2211/7053Double-acting output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75Control of speed of the output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69738461T 1996-02-28 1997-02-28 Steuervorrichtung einer Hydraulikantriebsmaschine Expired - Lifetime DE69738461D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04155496A JP3673003B2 (ja) 1996-02-28 1996-02-28 油圧駆動機械の制御装置
JP04310196A JP3723270B2 (ja) 1996-02-29 1996-02-29 油圧駆動機械の制御装置

Publications (1)

Publication Number Publication Date
DE69738461D1 true DE69738461D1 (de) 2008-02-21

Family

ID=26381194

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69732177T Expired - Lifetime DE69732177D1 (de) 1996-02-28 1997-02-28 Steuervorrichtung einer hydraulikantriebsmaschine
DE69738461T Expired - Lifetime DE69738461D1 (de) 1996-02-28 1997-02-28 Steuervorrichtung einer Hydraulikantriebsmaschine
DE69740086T Expired - Lifetime DE69740086D1 (de) 1996-02-28 1997-02-28 Steuervorrichtung für eine Hydraulikantriebsmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69732177T Expired - Lifetime DE69732177D1 (de) 1996-02-28 1997-02-28 Steuervorrichtung einer hydraulikantriebsmaschine

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69740086T Expired - Lifetime DE69740086D1 (de) 1996-02-28 1997-02-28 Steuervorrichtung für eine Hydraulikantriebsmaschine

Country Status (5)

Country Link
US (2) US6173573B1 (de)
EP (3) EP1798346B1 (de)
KR (1) KR19990087335A (de)
DE (3) DE69732177D1 (de)
WO (1) WO1997032135A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807118B1 (fr) * 2000-03-28 2002-07-05 Mannesmann Rexroth Sa Circuit hydraulique pour l'actionnement de recepteurs hydrauliques multiples
US6871710B1 (en) 2001-05-01 2005-03-29 Altec Industries, Inc. Rotational float for rotating equipment
US6735486B2 (en) * 2001-05-01 2004-05-11 Altec Industries Side load detection and protection system for rotatable equipment
US6685138B1 (en) * 2002-11-25 2004-02-03 The Boeing Company Augmenting flight control surface actuation system and method
JP3992612B2 (ja) * 2002-12-26 2007-10-17 株式会社クボタ バックホウの油圧回路構造
DE10342037A1 (de) * 2003-09-11 2005-04-07 Bosch Rexroth Ag Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern
JP4096900B2 (ja) * 2004-03-17 2008-06-04 コベルコ建機株式会社 作業機械の油圧制御回路
US7093383B2 (en) * 2004-03-26 2006-08-22 Husco International Inc. Automatic hydraulic load leveling system for a work vehicle
US6976357B1 (en) * 2004-06-23 2005-12-20 Husco International, Inc. Conduit loss compensation for a distributed electrohydraulic system
JP4579249B2 (ja) * 2004-08-02 2010-11-10 株式会社小松製作所 流体圧アクチュエータの制御システムおよび同制御方法ならびに流体圧機械
EP1640512B2 (de) * 2004-09-28 2015-02-25 Agco SA Steuersystem für einen Lader.
KR100641393B1 (ko) * 2004-12-07 2006-11-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압제어회로 및 유압제어방법
US7089733B1 (en) * 2005-02-28 2006-08-15 Husco International, Inc. Hydraulic control valve system with electronic load sense control
US7430954B2 (en) * 2005-09-26 2008-10-07 Kubota Corporation Work machine
US20090222176A1 (en) * 2005-11-10 2009-09-03 Volvo Construction Equipment Ab Loader
CN101356037A (zh) * 2005-11-14 2009-01-28 麦德塔自动化股份有限公司 喷射设备和通过使用测量气流的流量传感器改进喷射设备的性能的方法
US7804255B2 (en) * 2007-07-26 2010-09-28 Leviton Manufacturing Company, Inc. Dimming system powered by two current sources and having an operation indicator module
JP4825765B2 (ja) * 2007-09-25 2011-11-30 株式会社クボタ バックホーの油圧システム
DE102007048697A1 (de) * 2007-10-11 2009-04-16 Deere & Company, Moline Hydraulische Hubeinrichtung
DE102007059491B3 (de) * 2007-12-11 2009-07-09 Sauer-Danfoss Gmbh & Co Ohg Verfahren und Schaltungsanordnung zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern
US8511080B2 (en) * 2008-12-23 2013-08-20 Caterpillar Inc. Hydraulic control system having flow force compensation
FR2942279B1 (fr) * 2009-02-19 2016-04-15 Etablissements Emily Machine du type comprenant un moteur hydraulique destine a entrainer a rotation un accessoire
JP5161155B2 (ja) * 2009-06-12 2013-03-13 株式会社小松製作所 作業機械および作業機械の制御方法
IT1397794B1 (it) 2010-01-26 2013-01-24 Cifa Spa Dispositivo per il controllo attivo delle vibrazioni di un braccio articolato per il pompaggio di calcestruzzo.
JP5351813B2 (ja) * 2010-03-31 2013-11-27 株式会社クボタ 作業車の油圧システム
KR20110127343A (ko) * 2010-05-19 2011-11-25 두산산업차량 주식회사 중장비 작업기의 상승속도 제어장치
US9303659B2 (en) * 2010-12-28 2016-04-05 Volvo Construction Equipment Ab Method of controlling the flow rate of a variable capacity hydraulic pump for a construction apparatus
JP5631829B2 (ja) * 2011-09-21 2014-11-26 住友重機械工業株式会社 油圧制御装置及び油圧制御方法
JP5631830B2 (ja) 2011-09-21 2014-11-26 住友重機械工業株式会社 油圧制御装置及び油圧制御方法
US9784266B2 (en) 2012-11-23 2017-10-10 Volvo Construction Equipment Ab Apparatus and method for controlling preferential function of construction machine
US10087960B2 (en) * 2013-10-29 2018-10-02 Raven Industries, Inc. Hydraulic displacement control system
CN103807236B (zh) * 2014-01-22 2015-09-16 浙江大学 阀控单元负载口独立控制多缸流量分配液压系统
US9759212B2 (en) 2015-01-05 2017-09-12 Danfoss Power Solutions Inc. Electronic load sense control with electronic variable load sense relief, variable working margin, and electronic torque limiting
GB2555249B (en) * 2015-12-10 2018-11-21 Kawasaki Heavy Ind Ltd Hydraulic drive system
EP3724409A4 (de) * 2017-12-14 2022-01-12 Volvo Construction Equipment AB Hydraulische maschine
CN109058194A (zh) * 2018-10-11 2018-12-21 徐工集团工程机械有限公司 作业执行机构的液压控制系统及其控制方法和作业机械
JP7190933B2 (ja) 2019-02-15 2022-12-16 日立建機株式会社 建設機械
CN111102253A (zh) * 2019-12-25 2020-05-05 长沙中达智能科技有限公司 一种液压驱动机构速度的控制装置与方法
FR3106166B1 (fr) * 2020-01-09 2022-01-21 Bosch Gmbh Robert « Installation de commande d’une installation hydraulique à plusieurs récepteurs fonctionnant en parallèle ».
US11608615B1 (en) 2021-10-26 2023-03-21 Cnh Industrial America Llc System and method for controlling hydraulic valve operation within a work vehicle
US11614101B1 (en) 2021-10-26 2023-03-28 Cnh Industrial America Llc System and method for controlling hydraulic valve operation within a work vehicle
IT202100027794A1 (it) * 2021-10-29 2023-04-29 Cnh Ind Italia Spa Metodo e sistema di controllo di un circuito idraulico di un veicolo da lavoro

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537029A (en) 1982-09-23 1985-08-27 Vickers, Incorporated Power transmission
DE3447709C1 (de) 1984-12-28 1986-04-30 Karl 7298 Loßburg Hehl Steuervorrichtung fuer den hydraulischen Kreislauf einer Kunststoff-Spritzgiessmaschine
JPH0450505A (ja) * 1990-06-15 1992-02-19 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JPH0478307U (de) * 1990-11-20 1992-07-08
WO1992010684A1 (de) * 1990-12-15 1992-06-25 Barmag Ag Hydrauliksystem
US5138838A (en) 1991-02-15 1992-08-18 Caterpillar Inc. Hydraulic circuit and control system therefor
JPH04351304A (ja) 1991-05-29 1992-12-07 Hitachi Constr Mach Co Ltd 油圧駆動装置
US5167121A (en) * 1991-06-25 1992-12-01 University Of British Columbia Proportional hydraulic control
JPH05248403A (ja) * 1992-01-13 1993-09-24 Caterpillar Inc 油圧制御装置
DE69311239T2 (de) * 1992-02-18 1997-10-16 Hitachi Construction Machinery Hydraulisches antriebsystem
JP2602760B2 (ja) 1992-07-23 1997-04-23 石原薬品株式会社 無電解メッキ浴の自動管理方法
JP3026527B2 (ja) 1992-07-27 2000-03-27 株式会社ジャパンエナジー 無電解めっきの前処理方法および前処理液
JPH06336750A (ja) * 1993-05-27 1994-12-06 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
GB9503854D0 (en) * 1995-02-25 1995-04-19 Ultra Hydraulics Ltd Electrohydraulic proportional control valve assemblies
US5666806A (en) 1995-07-05 1997-09-16 Caterpillar Inc. Control system for a hydraulic cylinder and method
JP3113547B2 (ja) * 1995-07-19 2000-12-04 新キャタピラー三菱株式会社 油圧制御回路

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US6438953B1 (en) 2002-08-27
EP0884482A1 (de) 1998-12-16
DE69740086D1 (de) 2011-02-03
KR19990087335A (ko) 1999-12-27
EP1553231A3 (de) 2005-07-20
EP1553231B1 (de) 2008-01-09
EP0884482B1 (de) 2005-01-05
EP1798346A3 (de) 2008-01-09
US6173573B1 (en) 2001-01-16
DE69732177D1 (de) 2005-02-10
EP0884482A4 (de) 1999-05-19
EP1798346B1 (de) 2010-12-22
EP1553231A2 (de) 2005-07-13
EP1798346A2 (de) 2007-06-20
WO1997032135A1 (en) 1997-09-04

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