BR112013021751A2 - sistema de controle hidráulico e método para operar uma máquina - Google Patents

sistema de controle hidráulico e método para operar uma máquina

Info

Publication number
BR112013021751A2
BR112013021751A2 BR112013021751A BR112013021751A BR112013021751A2 BR 112013021751 A2 BR112013021751 A2 BR 112013021751A2 BR 112013021751 A BR112013021751 A BR 112013021751A BR 112013021751 A BR112013021751 A BR 112013021751A BR 112013021751 A2 BR112013021751 A2 BR 112013021751A2
Authority
BR
Brazil
Prior art keywords
operating
machine
control system
hydraulic control
hydraulic
Prior art date
Application number
BR112013021751A
Other languages
English (en)
Inventor
Grant Peterson
Jason Brinkman
Randall Anderson
Rustsu Cesur
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 BR112013021751A2 publication Critical patent/BR112013021751A2/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position

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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
BR112013021751A 2011-02-28 2012-02-28 sistema de controle hidráulico e método para operar uma máquina BR112013021751A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/036,712 US8813486B2 (en) 2011-02-28 2011-02-28 Hydraulic control system having cylinder stall strategy
PCT/US2012/026845 WO2012166225A2 (en) 2011-02-28 2012-02-28 Hydraulic control system having cylinder stall strategy

Publications (1)

Publication Number Publication Date
BR112013021751A2 true BR112013021751A2 (pt) 2016-10-18

Family

ID=46718062

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013021751A BR112013021751A2 (pt) 2011-02-28 2012-02-28 sistema de controle hidráulico e método para operar uma máquina

Country Status (6)

Country Link
US (1) US8813486B2 (pt)
JP (1) JP6092790B2 (pt)
CN (1) CN103403364B (pt)
BR (1) BR112013021751A2 (pt)
DE (1) DE112012001034T5 (pt)
WO (1) WO2012166225A2 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4953325B2 (ja) * 2009-03-12 2012-06-13 キャタピラー エス エー アール エル 作業機械
US8886415B2 (en) * 2011-06-16 2014-11-11 Caterpillar Inc. System implementing parallel lift for range of angles
US9593461B2 (en) * 2014-05-19 2017-03-14 Caterpillar Inc. Work tool pitch control system for a machine
US9938688B2 (en) 2015-07-02 2018-04-10 Caterpillar Inc. Excavation system providing impact detection
US9903100B2 (en) 2015-07-02 2018-02-27 Caterpillar Inc. Excavation system providing automated tool linkage calibration
US9598837B2 (en) 2015-07-02 2017-03-21 Caterpillar Inc. Excavation system providing automated stall correction
US9587369B2 (en) 2015-07-02 2017-03-07 Caterpillar Inc. Excavation system having adaptive dig control
US9732502B2 (en) 2015-07-02 2017-08-15 Caterpillar Inc. Excavation system providing impact detection
US9850639B2 (en) 2015-07-02 2017-12-26 Caterpillar Inc. Excavation system having velocity based work tool shake
US9932996B2 (en) * 2015-12-16 2018-04-03 Deere & Company Electrohydraulic implement pressure cutoff
KR101998308B1 (ko) * 2015-12-28 2019-07-09 현대건설기계 주식회사 건설장비용 전자유압 밸브의 유량제어 시스템
US20190048864A1 (en) * 2016-03-24 2019-02-14 Hydronit S.R.L. Hydraulic system, smart power unit and operation method of the system
US10030678B2 (en) * 2016-06-16 2018-07-24 Deere & Company Pressure compensated load sense hydraulic system efficiency improvement system and method
ES2848577T3 (es) * 2017-02-24 2021-08-10 Sandvik Intellectual Property Sistema de control hidráulico de regulación para máquina de minería
CN109138020B (zh) * 2018-10-26 2021-04-23 山推工程机械股份有限公司 一种推土机万向铲机构设计方法
WO2022254403A1 (en) * 2021-06-04 2022-12-08 Danfoss Power Solutions Ii Technology A/S Actuator deadhead/stall detection in a load sense hydraulic system

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US3911942A (en) 1974-03-28 1975-10-14 Gen Signal Corp Compensated multifunction hydraulic system
WO1991013217A1 (en) * 1990-02-28 1991-09-05 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system in construction machine
WO1995030094A1 (fr) 1994-05-02 1995-11-09 Ube Industries, Ltd. Procede et appareil de commande de vitesse pour verins hydrauliques
US6321152B1 (en) 1999-12-16 2001-11-20 Caterpillar Inc. System and method for inhibiting saturation of a hydraulic valve assembly
JP4454131B2 (ja) 2000-09-26 2010-04-21 日立建機株式会社 建設機械の油圧再生装置及び建設機械
US6647718B2 (en) 2001-10-04 2003-11-18 Husco International, Inc. Electronically controlled hydraulic system for lowering a boom in an emergency
JP4372388B2 (ja) 2002-02-20 2009-11-25 富士重工業株式会社 無段変速機の変速制御装置
US6912849B2 (en) 2002-04-09 2005-07-05 Komatsu Ltd. Cylinder driving system and energy regenerating method thereof
US6775974B2 (en) 2002-09-25 2004-08-17 Husco International, Inc. Velocity based method of controlling an electrohydraulic proportional control valve
KR101190796B1 (ko) 2005-02-17 2012-10-12 볼보 컨스트럭션 이큅먼트 에이비 작업차량 제어장치 및 제어방법
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US7260931B2 (en) * 2005-11-28 2007-08-28 Caterpillar Inc. Multi-actuator pressure-based flow control system
US20080041467A1 (en) 2006-08-16 2008-02-21 Eaton Corporation Digital control valve assembly for a hydraulic actuator
US7853382B2 (en) * 2006-09-29 2010-12-14 Deere & Company Loader boom control system
US7979181B2 (en) * 2006-10-19 2011-07-12 Caterpillar Inc. Velocity based control process for a machine digging cycle
US7665299B2 (en) 2007-03-12 2010-02-23 Clark Equipment Company Hydraulic power management system
JP4827789B2 (ja) * 2007-04-18 2011-11-30 カヤバ工業株式会社 油圧アクチュエータ速度制御装置
EP2033730A1 (en) 2007-09-07 2009-03-11 Siemens VAI Metals Technologies Ltd. Multiple actuating-force shearing machine
US7748279B2 (en) * 2007-09-28 2010-07-06 Caterpillar Inc Hydraulics management for bounded implements

Also Published As

Publication number Publication date
WO2012166225A2 (en) 2012-12-06
CN103403364A (zh) 2013-11-20
JP6092790B2 (ja) 2017-03-08
US8813486B2 (en) 2014-08-26
US20120216518A1 (en) 2012-08-30
JP2014508255A (ja) 2014-04-03
WO2012166225A3 (en) 2013-01-24
DE112012001034T5 (de) 2013-12-19
CN103403364B (zh) 2016-01-06

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO ARQUIVAMENTO PUBLICADO NA RPI 2503 DE 26/12/2018.