FR2247632B1 - - Google Patents

Info

Publication number
FR2247632B1
FR2247632B1 FR7433828A FR7433828A FR2247632B1 FR 2247632 B1 FR2247632 B1 FR 2247632B1 FR 7433828 A FR7433828 A FR 7433828A FR 7433828 A FR7433828 A FR 7433828A FR 2247632 B1 FR2247632 B1 FR 2247632B1
Authority
FR
France
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
Application number
FR7433828A
Other versions
FR2247632A1 (fr
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.)
Unisys Group Services Ltd
Original Assignee
Sperry Rand 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
Application filed by Sperry Rand Ltd filed Critical Sperry Rand Ltd
Publication of FR2247632A1 publication Critical patent/FR2247632A1/fr
Application granted granted Critical
Publication of FR2247632B1 publication Critical patent/FR2247632B1/fr
Expired 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
    • 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
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • 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
    • F15B2211/632—Electronic controllers using input signals representing a flow rate
    • F15B2211/6323—Electronic controllers using input signals representing a flow rate the flow rate being a pressure source flow rate
    • 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
    • F15B2211/632—Electronic controllers using input signals representing a flow rate
    • F15B2211/6326—Electronic controllers using input signals representing a flow rate the flow rate being an output member flow rate
    • 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
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/6653—Pressure control
    • 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
    • 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
    • F15B2211/67—Methods for controlling pilot 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric
FR7433828A 1973-10-10 1974-10-08 Expired FR2247632B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4721373A GB1462879A (en) 1973-10-10 1973-10-10 Hydraulic actuator controls

Publications (2)

Publication Number Publication Date
FR2247632A1 FR2247632A1 (fr) 1975-05-09
FR2247632B1 true FR2247632B1 (fr) 1980-03-14

Family

ID=10444167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433828A Expired FR2247632B1 (fr) 1973-10-10 1974-10-08

Country Status (7)

Country Link
US (1) US4031813A (fr)
JP (1) JPS50111486A (fr)
DE (1) DE2447858C3 (fr)
FR (1) FR2247632B1 (fr)
GB (1) GB1462879A (fr)
IT (1) IT1022765B (fr)
SE (1) SE411935B (fr)

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JPS5276585A (en) * 1975-12-22 1977-06-28 Nippon Air Brake Co Liquid flow rate control device for direction shifting valve
DE2658928A1 (de) * 1976-12-24 1978-07-06 Beringer Hydraulik Gmbh Hydraulische steuerung
DE2661086C2 (fr) * 1976-12-24 1992-10-15 Beringer-Hydraulik Gmbh, Neuheim, Zug, Ch
US4074529A (en) * 1977-01-04 1978-02-21 Tadeusz Budzich Load responsive system pump controls
US4275793A (en) * 1977-02-14 1981-06-30 Ingersoll-Rand Company Automatic control system for rock drills
DE2707630A1 (de) * 1977-02-23 1978-08-24 Orenstein & Koppel Ag Elektronisch gesteuerte rohrbruchsicherung
DE2754878A1 (de) * 1977-12-09 1979-06-13 Rexroth Gmbh G L Lastunabhaengig arbeitendes elektrisch ansteuerbares wegeventil
FR2426817A1 (fr) * 1978-05-26 1979-12-21 Thomson Csf Servocommande hydraulique dont la charge presente un balourd variable
US4336745A (en) * 1978-07-31 1982-06-29 Mts Systems Corporation Servovalve flow linearization circuit
US4199942A (en) * 1978-09-28 1980-04-29 Eaton Corporation Load sensing control for hydraulic system
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DD145417A1 (de) * 1979-08-02 1980-12-10 Winfried Bautz Hydraulischer telemotor-reversierantrieb
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IT1119444B (it) * 1979-10-30 1986-03-10 Fiat Ricerche Distributore idraulico
JPS56122774A (en) * 1980-02-26 1981-09-26 Oirudoraibu Kogyo Kk Oil pressure elevator
EP0038128A1 (fr) * 1980-04-04 1981-10-21 General Signal Corporation Système de servo-commande électro-hydraulique
DE3127910A1 (de) * 1981-07-15 1983-01-27 Carl Schenck Ag, 6100 Darmstadt "verfahren und anordnung zur nachbildung eines definierten zeitlischen bewegungsablaufs mit einer servohydraulischen einrichtung"
ZA825477B (en) * 1981-08-21 1983-06-29 Sperry Corp Hydraulic control system
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AU1587183A (en) * 1982-07-02 1984-01-05 Sperry Corp. Hydraulic valve with dual feedback control
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FR2575688B2 (fr) * 1984-10-12 1989-11-24 Mors Dispositif porte-pieces a usiner a commande de verin individualisee pour fonctionner a une pression independante
DE3474527D1 (en) * 1983-11-25 1988-11-17 Mors Work pallet, provided with a control system and preferably with a separate cylinder control, to operate with an independent pressure
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DE3734955A1 (de) * 1987-10-15 1989-04-27 Rexroth Mannesmann Gmbh Elektrische messwertaufbereitung fuer ein regelventil
DE3741425C3 (de) * 1987-12-08 1997-12-04 Mannesmann Ag Linearantrieb
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US5056561A (en) * 1990-02-08 1991-10-15 Byers James O Remote controlled, individually pressure compensated valve
US5261234A (en) * 1992-01-07 1993-11-16 Caterpillar Inc. Hydraulic control apparatus
US5500580A (en) * 1994-09-19 1996-03-19 Hr Textron Inc. Integrated compliance servovalve
US6357334B1 (en) * 1999-08-31 2002-03-19 Tymac Controls Corporation Method and apparatus for the control of a die casting or similar machine
US6286412B1 (en) * 1999-11-22 2001-09-11 Caterpillar Inc. Method and system for electrohydraulic valve control
US20010037724A1 (en) * 2000-03-08 2001-11-08 Schumacher Mark S. System for controlling hydraulic actuator
WO2001066954A2 (fr) * 2000-03-08 2001-09-13 Rosemount Inc. Dispositif de mesure de la position d'un piston
US20010037689A1 (en) * 2000-03-08 2001-11-08 Krouth Terrance F. Hydraulic actuator piston measurement apparatus and method
WO2001066955A2 (fr) 2000-03-08 2001-09-13 Rosemount Inc. Debitmetre bidirectionnel a pression differentielle
US6588313B2 (en) 2001-05-16 2003-07-08 Rosemont Inc. Hydraulic piston position sensor
DE102006006585B3 (de) * 2006-02-13 2007-10-18 Samson Ag Wandler eines elektrischen Eingangssignals in ein pneumatisches Ausgangssignal
CN100590324C (zh) * 2006-10-16 2010-02-17 太原理工大学 先导比例方向节流阀
WO2010022746A1 (fr) * 2008-08-26 2010-03-04 Navalimpianti S.P.A. Dispositif de mesure pour la mesure de la position d'actionneurs hydrauliques avec régulation
CN103775441B (zh) * 2014-01-26 2015-11-18 天津大学 双电机驱动的电反馈大型伺服液压缸
US10697476B2 (en) * 2014-08-14 2020-06-30 Festo Se & Co. Kg Actuator controller and method for regulating the movement of an actuator
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CN112904225B (zh) * 2021-01-05 2021-12-03 珠海格力电器股份有限公司 执行器的故障检测系统

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Also Published As

Publication number Publication date
FR2247632A1 (fr) 1975-05-09
DE2447858A1 (de) 1975-04-17
SE411935B (sv) 1980-02-11
JPS50111486A (fr) 1975-09-02
DE2447858C3 (de) 1982-11-04
DE2447858B2 (de) 1981-01-15
SE7412672L (fr) 1975-04-11
GB1462879A (en) 1977-01-26
US4031813A (en) 1977-06-28
IT1022765B (it) 1978-04-20

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