EP2602492A3 - Electro-hydraulic control device - Google Patents

Electro-hydraulic control device Download PDF

Info

Publication number
EP2602492A3
EP2602492A3 EP12007409.1A EP12007409A EP2602492A3 EP 2602492 A3 EP2602492 A3 EP 2602492A3 EP 12007409 A EP12007409 A EP 12007409A EP 2602492 A3 EP2602492 A3 EP 2602492A3
Authority
EP
European Patent Office
Prior art keywords
electro
control device
hydraulic control
hydraulic
control via
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.)
Withdrawn
Application number
EP12007409.1A
Other languages
German (de)
French (fr)
Other versions
EP2602492A2 (en
Inventor
Albert KÖCKEMANN
Hermann Mehling
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2602492A2 publication Critical patent/EP2602492A2/en
Publication of EP2602492A3 publication Critical patent/EP2602492A3/en
Withdrawn legal-status Critical Current

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
    • 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
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0426—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling the number of pumps or parallel valves switched on
    • 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
    • F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
    • 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
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/20538—Type of pump constant 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
    • F15B2211/20—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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • F15B2211/328—Directional control characterised by the type of actuation electrically or electronically with signal modulation, e.g. pulse width modulation [PWM]
    • 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
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load 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
    • F15B2211/665—Methods of control using electronic components
    • 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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
    • 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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6654—Flow rate control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Offenbart ist eine elektrohydraulische Steuereinrichtung und ein Verfahren zum Ansteuern einer derartigen elektrohydraulischen Steuereinrichtung, wobei beispielsweise eine Geschwindigkeitsregelung über eine mengenverstellbare Druckmittelquelle und eine Positionsregelung über eine Digitalhydraulik erfolgt.Disclosed is an electro-hydraulic control device and a method for controlling such an electro-hydraulic control device, wherein, for example, a speed control via a variable-volume pressure medium source and a position control via a digital hydraulic system.

EP12007409.1A 2011-12-10 2012-10-30 Electro-hydraulic control device Withdrawn EP2602492A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011120767A DE102011120767A1 (en) 2011-12-10 2011-12-10 Electrohydraulic control device

Publications (2)

Publication Number Publication Date
EP2602492A2 EP2602492A2 (en) 2013-06-12
EP2602492A3 true EP2602492A3 (en) 2014-05-21

Family

ID=47191475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12007409.1A Withdrawn EP2602492A3 (en) 2011-12-10 2012-10-30 Electro-hydraulic control device

Country Status (5)

Country Link
US (1) US20130145926A1 (en)
EP (1) EP2602492A3 (en)
JP (1) JP2013122320A (en)
CN (1) CN103161785A (en)
DE (1) DE102011120767A1 (en)

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* Cited by examiner, † Cited by third party
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DE102010036941B4 (en) * 2010-08-11 2012-09-13 Sauer-Danfoss Gmbh & Co. Ohg Method and device for determining the state of an electrically controlled valve
DE102012005593A1 (en) * 2012-03-20 2013-09-26 Robert Bosch Gmbh Hydraulic pilot valve assembly and hydraulic valve assembly with it
DE102014213264A1 (en) 2013-08-19 2015-02-19 Robert Bosch Gmbh Hydraulic arrangement for supplying a consumer
DE102013218155A1 (en) 2013-09-11 2015-03-12 Robert Bosch Gmbh Electrohydraulic control device and method for controlling the electrohydraulic control device
US9915261B2 (en) * 2013-10-31 2018-03-13 Semes Co., Ltd. Substrate treating apparatus, drive assembly, and drive member controlling method
DE102013224337A1 (en) 2013-11-28 2015-05-28 Robert Bosch Gmbh Valve arrangement for a digital hydraulic system
CN103697022A (en) * 2013-11-28 2014-04-02 北京机械设备研究所 Digitizing energy-saving hydraulic power unit
DE102014207958A1 (en) * 2014-04-28 2015-10-29 Valmet Technologies, Inc. Digital hydraulic pressure control device and method of manufacturing a digital hydraulic pressure control device
DE102015201122A1 (en) * 2014-12-19 2016-06-23 Robert Bosch Gmbh Circuit for controlling a rotating consumer
CN107923418B (en) * 2015-08-10 2021-02-26 Vat控股公司 Pneumatic valve drive
DE102015119108A1 (en) * 2015-11-06 2017-05-11 Pleiger Maschinenbau Gmbh & Co. Kg Method and device for controlling a hydraulically actuated drive unit of a valve
DE102016223099A1 (en) * 2016-11-23 2018-05-24 Robert Bosch Gmbh Electrohydraulic arrangement and hydraulic axis
CN106998115A (en) * 2017-04-20 2017-08-01 哈尔滨理工大学 Electro-hydraulic driving friction load damping unit and its brake control method
EP3401553B1 (en) * 2017-05-11 2020-12-23 Ratier-Figeac SAS Hydraulic actuation system
JP6551490B2 (en) * 2017-11-02 2019-07-31 ダイキン工業株式会社 Hydraulic device
CN109488646A (en) * 2018-09-18 2019-03-19 浙江大学 A kind of Position of Hydraulic Cylinder control system and method jointly controlled using proportioning valve, miniature high-speed digital valve
CN109538456B (en) * 2018-09-18 2023-10-24 浙江大学 Electro-hydraulic proportional valve control pump adopting proportional valve and miniature high-speed digital valve for combined control and control method
DE102018217337A1 (en) * 2018-10-10 2020-04-16 Festo Se & Co. Kg Movement device, tire handling device and method for operating a fluidic actuator
DE102019201043A1 (en) 2019-01-28 2020-07-30 Sms Group Gmbh Control of hydraulic actuating cylinders in roll stands
CN110848181B (en) * 2019-10-18 2021-04-23 中联重科股份有限公司 Hydraulic transmission system and crane
DE102020213262A1 (en) * 2020-10-21 2022-04-21 Robert Bosch Gesellschaft mit beschränkter Haftung Method for operating a hydraulic drive
DE102021108081B4 (en) 2021-03-30 2023-02-02 Andreas Lupold Hydrotechnik Gmbh Device for controlling a hydraulic pump or a hydraulic motor

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EP0247335A2 (en) * 1986-04-08 1987-12-02 Vickers Incorporated Electrohydrolic system with distributed control
DE4431103A1 (en) * 1994-09-01 1996-03-14 Danfoss As Hydraulic operating unit
US20050211936A1 (en) * 2004-03-25 2005-09-29 Husco International, Inc. Electrohydraulic valve servomechanism with adaptive resistance estimator
DE102006058913A1 (en) * 2006-12-13 2008-06-19 Zf Friedrichshafen Ag Control device for a transmission

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US5428958A (en) * 1987-05-19 1995-07-04 Flutron Ab Electrohydraulic control system
EP0587902B1 (en) * 1992-02-18 1997-06-04 Hitachi Construction Machinery Co., Ltd. Hydraulically driving system
US6354185B1 (en) * 1999-06-17 2002-03-12 Sturman Industries, Inc. Flow manager module
US6579078B2 (en) 2001-04-23 2003-06-17 Elliott Turbomachinery Co., Inc. Multi-stage centrifugal compressor driven by integral high speed motor
FI118608B (en) 2001-04-23 2008-01-15 Matti Linjama Control system and method for controlling an actuator and for optimizing control by means of parallel connected valve series
DE10224689A1 (en) 2002-06-04 2003-12-18 Bosch Gmbh Robert Stroke-controlled valve as a fuel metering device of an injection system for internal combustion engines
US7857281B2 (en) * 2006-06-26 2010-12-28 Incova Technologies, Inc. Electrohydraulic valve control circuit with magnetic hysteresis compensation
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247335A2 (en) * 1986-04-08 1987-12-02 Vickers Incorporated Electrohydrolic system with distributed control
DE4431103A1 (en) * 1994-09-01 1996-03-14 Danfoss As Hydraulic operating unit
US20050211936A1 (en) * 2004-03-25 2005-09-29 Husco International, Inc. Electrohydraulic valve servomechanism with adaptive resistance estimator
DE102006058913A1 (en) * 2006-12-13 2008-06-19 Zf Friedrichshafen Ag Control device for a transmission

Also Published As

Publication number Publication date
JP2013122320A (en) 2013-06-20
DE102011120767A1 (en) 2013-06-13
EP2602492A2 (en) 2013-06-12
CN103161785A (en) 2013-06-19
US20130145926A1 (en) 2013-06-13

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