EP2192308A3 - Method and controller for controlling pressure fluid supply for a hydraulic actuator - Google Patents

Method and controller for controlling pressure fluid supply for a hydraulic actuator Download PDF

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Publication number
EP2192308A3
EP2192308A3 EP09014790.1A EP09014790A EP2192308A3 EP 2192308 A3 EP2192308 A3 EP 2192308A3 EP 09014790 A EP09014790 A EP 09014790A EP 2192308 A3 EP2192308 A3 EP 2192308A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic actuator
controller
fluid supply
pressure fluid
controlling pressure
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.)
Granted
Application number
EP09014790.1A
Other languages
German (de)
French (fr)
Other versions
EP2192308A2 (en
EP2192308B1 (en
Inventor
Albert Dr. Koeckemann
Gerold Liebler
Christian Lebert
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 EP2192308A2 publication Critical patent/EP2192308A2/en
Publication of EP2192308A3 publication Critical patent/EP2192308A3/en
Application granted granted Critical
Publication of EP2192308B1 publication Critical patent/EP2192308B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/04—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by varying the output of a pump with 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
    • F15B2211/205—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
    • F15B2211/20546—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
    • F15B2211/60—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
    • F15B2211/6333—Electronic controllers using input signals representing a state of the pressure source, e.g. 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
    • F15B2211/6656—Closed loop control, i.e. control using feedback

Abstract

Die Erfindung betrifft ein Verfahren und eine Regelvorrichtung zur Regelung einer Druckmittelzufuhr für einen hydraulischen Aktor einer zyklisch arbeitenden Maschine. Der Aktor wird von einer von einem drehzahlgesteuerten Motor (14) angetriebenen Verstellpumpemit einer Druckmittelmenge versorgt. Ein Signal, das den Druck der Druckmittelmenge anzeigt, wird zu einem Druckregler rückgeführt. Ein Drehzahlsignal dient zum Verändern der Drehzahl (n) des Motors (14) der Maschine. Die Eigenschaften des Druckreglers (41) werden entsprechend dem Drehzahlsignal variiert.

Figure imgaf001
The invention relates to a method and a control device for controlling a pressure medium supply for a hydraulic actuator of a cyclically operating machine. The actuator is supplied with a pressure medium quantity by an adjustment pump driven by a speed-controlled motor (14). A signal indicating the pressure of the pressure medium quantity is returned to a pressure regulator. A speed signal is used to change the speed (n) of the motor (14) of the machine. The properties of the pressure regulator (41) are varied according to the speed signal.
Figure imgaf001
EP09014790.1A 2008-11-29 2009-11-27 Method and controller for controlling pressure fluid supply for a hydraulic actuator Active EP2192308B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008059659 2008-11-29

Publications (3)

Publication Number Publication Date
EP2192308A2 EP2192308A2 (en) 2010-06-02
EP2192308A3 true EP2192308A3 (en) 2014-05-07
EP2192308B1 EP2192308B1 (en) 2015-07-08

Family

ID=41786481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09014790.1A Active EP2192308B1 (en) 2008-11-29 2009-11-27 Method and controller for controlling pressure fluid supply for a hydraulic actuator

Country Status (2)

Country Link
EP (1) EP2192308B1 (en)
DE (1) DE102009055979A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT11578U1 (en) 2010-03-26 2011-01-15 Engel Austria Gmbh HYDRAULIC DRIVE UNIT FOR AN INJECTION MOLDING MACHINE
CN103846152B (en) * 2014-03-19 2016-08-24 湖州市千金宝云机械铸件有限公司 Vertical crusher
WO2023014612A1 (en) * 2021-08-05 2023-02-09 Illinois Tool Works Inc. Hydraulic power unit for material testing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335403C1 (en) * 1993-10-18 1994-12-15 Karl Hehl Hydraulic device
EP1236558A1 (en) * 2001-03-03 2002-09-04 Mannesmann Rexroth AG Method for fluid supply regulation of an hydraulic actuator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335403C1 (en) * 1993-10-18 1994-12-15 Karl Hehl Hydraulic device
EP1236558A1 (en) * 2001-03-03 2002-09-04 Mannesmann Rexroth AG Method for fluid supply regulation of an hydraulic actuator

Also Published As

Publication number Publication date
EP2192308A2 (en) 2010-06-02
DE102009055979A1 (en) 2010-06-02
EP2192308B1 (en) 2015-07-08

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