IN171657B - - Google Patents

Info

Publication number
IN171657B
IN171657B IN313/CAL/89A IN313CA1989A IN171657B IN 171657 B IN171657 B IN 171657B IN 313CA1989 A IN313CA1989 A IN 313CA1989A IN 171657 B IN171657 B IN 171657B
Authority
IN
India
Application number
IN313/CAL/89A
Other languages
English (en)
Inventor
Toichi Hirata
Kuniaki Yoshida
Hideaki Tanaka
Genroku Sugiyama
Masakazu Haga
Original Assignee
Hitachi Construction Machinery
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 Hitachi Construction Machinery filed Critical Hitachi Construction Machinery
Publication of IN171657B publication Critical patent/IN171657B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Programme 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35392—Set switches, load, cancel data for different axis, spindles simultaneous
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41302—On off fluid valve and power cylinder
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/42—Servomotor, servo controller kind till VSS
    • G05B2219/42241—Select minimum value of two reference values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/43—Speed, acceleration, deceleration control ADC
    • G05B2219/43203—Limitation of speed, permissible, allowable, maximum speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
IN313/CAL/89A 1988-03-03 1989-04-24 IN171657B (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4875088 1988-03-03
JP4962288 1988-03-04
PCT/JP1989/000218 WO1989008200A1 (en) 1988-03-03 1989-03-02 Method and apparatus for driving hydraulic machine

Publications (1)

Publication Number Publication Date
IN171657B true IN171657B (el) 1992-12-05

Family

ID=26389055

Family Applications (1)

Application Number Title Priority Date Filing Date
IN313/CAL/89A IN171657B (el) 1988-03-03 1989-04-24

Country Status (7)

Country Link
US (1) US5074194A (el)
EP (1) EP0362402B1 (el)
JP (1) JP3106164B2 (el)
KR (1) KR920010874B1 (el)
DE (1) DE68928295T2 (el)
IN (1) IN171657B (el)
WO (1) WO1989008200A1 (el)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940008638B1 (ko) * 1988-07-08 1994-09-24 히다찌 겐끼 가부시기가이샤 건설기계의 유압구동장치
US5125232A (en) * 1990-05-29 1992-06-30 Kubota Corporation Control change system for a hydraulic working vehicle
GB2250108B (en) * 1990-10-31 1995-02-08 Samsung Heavy Ind Control system for automatically controlling actuators of an excavator
US5307631A (en) * 1991-01-28 1994-05-03 Hitachi Construction Machinery Co., Ltd. Hydraulic control apparatus for hydraulic construction machine
JPH05256303A (ja) * 1992-01-15 1993-10-05 Caterpillar Inc 油圧回路制御装置
JPH0694007A (ja) * 1992-09-08 1994-04-05 Komatsu Ltd 油圧駆動機械の制御装置
JP3153096B2 (ja) * 1995-04-27 2001-04-03 株式会社クボタ 芝刈機の昇降用バルブ構造
US5590731A (en) * 1995-05-05 1997-01-07 Clark Equipment Company Hydraulic control system providing proportional movement to an attachment of a power machine
US5540049A (en) * 1995-08-01 1996-07-30 Caterpillar Inc. Control system and method for a hydraulic actuator with velocity and force modulation control
CN1166192A (zh) * 1995-10-09 1997-11-26 新卡特彼勒三菱株式会社 用于建筑机械的控制装置
JP3567051B2 (ja) * 1996-06-12 2004-09-15 新キャタピラー三菱株式会社 油圧アクチュエータ用の操作制御装置
GB2344809B (en) * 1998-12-16 2002-10-02 Bamford Excavators Ltd Earth moving apparatus
JP3805200B2 (ja) 2001-02-02 2006-08-02 株式会社クボタ 作業車
WO2008137042A1 (en) * 2007-05-03 2008-11-13 Vermeer Manufacturing Company Method and apparatus for establishing a manual governor control setting in an electro-hydraulic system
EP2147753B1 (de) 2008-07-25 2017-01-18 AEG Electric Tools GmbH Elektrowerkzeug mit Getriebeumschaltung
EP2660478B1 (en) * 2010-12-27 2017-03-15 Volvo Construction Equipment AB Boom-swivel compound drive hydraulic control system of construction machine
JP6407132B2 (ja) * 2015-11-30 2018-10-17 日立建機株式会社 作業機械の操作支援装置
JP6603567B2 (ja) * 2015-12-11 2019-11-06 オークマ株式会社 油圧制御装置
JP6912947B2 (ja) * 2017-06-14 2021-08-04 川崎重工業株式会社 油圧システム
JP7370725B2 (ja) * 2019-04-05 2023-10-30 株式会社竹内製作所 作業用車両の作動制御装置
JP7370724B2 (ja) 2019-04-05 2023-10-30 株式会社竹内製作所 作業用車両の作動制御装置
US11009048B1 (en) 2020-09-09 2021-05-18 Robert Bosch Gmbh Boom lift system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554059C3 (de) * 1975-12-02 1978-09-21 Koepp Elektronik Gmbh, 6057 Dietzenbach Steuerschaltung zur Lageeinstellung eines ärztlichen Behandlungsstuhles o.dgl
GB1527957A (en) * 1977-03-22 1978-10-11 Towmotor Corp Motor control
JPS57173486A (en) * 1981-04-15 1982-10-25 Fujitsu Fanuc Ltd Controlling system for robot
JPS57197334A (en) * 1981-05-26 1982-12-03 Komatsu Ltd Electric oil pressure controller for construction vehicle
US4514814A (en) * 1982-09-07 1985-04-30 General Electric Company Multi-processor axis control
JPS5981094A (ja) * 1982-11-02 1984-05-10 株式会社日立製作所 自動機械
JPS59110901A (ja) * 1982-12-14 1984-06-27 Hitachi Constr Mach Co Ltd 油圧回路の流量制御装置
JPS6065835A (ja) * 1983-09-19 1985-04-15 Sumitomo Heavy Ind Ltd 建設機械の操作方法
JPS60111958A (ja) * 1983-11-22 1985-06-18 Shimadzu Corp 試料びん保温装置
JPS6189060A (ja) * 1984-10-08 1986-05-07 Fuji Xerox Co Ltd プリンタ装置
US4718329A (en) * 1985-02-04 1988-01-12 Hitachi Construction Machinery Co., Ltd. Control system for hydraulic circuit
US4625622A (en) * 1985-08-15 1986-12-02 Vickers, Incorporated Power transmission
EP0235545B1 (en) * 1986-01-25 1990-09-12 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
GB2186999B (en) * 1986-02-12 1989-12-28 Kubota Ltd Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement
US4811561A (en) * 1986-04-08 1989-03-14 Vickers, Incorporated Power transmission
JPS6319402A (ja) * 1986-07-08 1988-01-27 Hitachi Constr Mach Co Ltd 油圧回路
US4800721A (en) * 1987-02-13 1989-01-31 Caterpillar Inc. Force feedback lever
JPH06319402A (ja) * 1993-05-14 1994-11-22 Nippon Ham Kk ブロイラー等の大量飼育装置

Also Published As

Publication number Publication date
KR900700771A (ko) 1990-08-17
EP0362402B1 (en) 1997-09-03
WO1989008200A1 (en) 1989-09-08
EP0362402A4 (en) 1993-09-29
US5074194A (en) 1991-12-24
DE68928295T2 (de) 1998-01-29
KR920010874B1 (ko) 1992-12-19
JP3106164B2 (ja) 2000-11-06
DE68928295D1 (de) 1997-10-09
EP0362402A1 (en) 1990-04-11

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