FR2694617B1 - Servo-valve electrohydraulique avec compensation de gain. - Google Patents

Servo-valve electrohydraulique avec compensation de gain.

Info

Publication number
FR2694617B1
FR2694617B1 FR9309744A FR9309744A FR2694617B1 FR 2694617 B1 FR2694617 B1 FR 2694617B1 FR 9309744 A FR9309744 A FR 9309744A FR 9309744 A FR9309744 A FR 9309744A FR 2694617 B1 FR2694617 B1 FR 2694617B1
Authority
FR
France
Prior art keywords
servo valve
gain compensation
electrohydraulic servo
electrohydraulic
compensation
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.)
Expired - Lifetime
Application number
FR9309744A
Other languages
English (en)
Other versions
FR2694617A1 (fr
Inventor
Alvon C Elrod Jr
Robert C Heagey
Donald C Muths
Larry L Nichols
Clyde E Cobb
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.)
Woodward HRT Inc
Original Assignee
Woodward HRT 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 Woodward HRT Inc filed Critical Woodward HRT Inc
Publication of FR2694617A1 publication Critical patent/FR2694617A1/fr
Application granted granted Critical
Publication of FR2694617B1 publication Critical patent/FR2694617B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/33—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device
    • G05B19/35—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device for point-to-point control
    • G05B19/351—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
    • 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
    • G05B2219/37—Measurements
    • G05B2219/37462—Resistor, potentiometers
    • 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
    • G05B2219/41009—Sum output of amplifiers with different gains
    • 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
    • G05B2219/41133—Compensation non linear transfer function
    • 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
    • G05B2219/41318—Electro hydraulic drive, electric motor drives hydraulic actuator
    • 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
    • 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
    • Y10T137/86622—Motor-operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Servomotors (AREA)
FR9309744A 1992-08-06 1993-08-06 Servo-valve electrohydraulique avec compensation de gain. Expired - Lifetime FR2694617B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/926,013 US5285715A (en) 1992-08-06 1992-08-06 Electrohydraulic servovalve with flow gain compensation

Publications (2)

Publication Number Publication Date
FR2694617A1 FR2694617A1 (fr) 1994-02-11
FR2694617B1 true FR2694617B1 (fr) 1996-12-27

Family

ID=25452610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9309744A Expired - Lifetime FR2694617B1 (fr) 1992-08-06 1993-08-06 Servo-valve electrohydraulique avec compensation de gain.

Country Status (6)

Country Link
US (1) US5285715A (fr)
JP (1) JP2602400B2 (fr)
DE (1) DE4326452B4 (fr)
FR (1) FR2694617B1 (fr)
GB (1) GB2269462B (fr)
IT (1) IT1260959B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465757A (en) * 1993-10-12 1995-11-14 Alliedsignal Inc. Electro-hydraulic fluid metering and control device
JPH09502501A (ja) * 1994-01-27 1997-03-11 エッチアール テキストロン インコーポレイテッド モータ位置センサを有するダイレクトドライブサーボバルブ
FR2721413B1 (fr) * 1994-06-21 1996-08-30 Thomson Csf Dispositif de commande d'un tiroir hydraulique.
US5551478A (en) * 1994-10-21 1996-09-03 United Technologies Corporation Multiplexing hydraulic control network with latching valves
JP3677296B2 (ja) * 1995-10-09 2005-07-27 新キャタピラー三菱株式会社 建設機械の制御装置
US5950668A (en) * 1996-10-09 1999-09-14 Fisher Controls International, Inc. Control valve positioners having improved operating characteristics
US7389787B2 (en) * 1998-12-21 2008-06-24 Baker Hughes Incorporated Closed loop additive injection and monitoring system for oilfield operations
US6446657B1 (en) * 2000-12-15 2002-09-10 Fairchild Controls Corporation Aircraft air control valve apparatus
US6526864B2 (en) * 2001-04-17 2003-03-04 Csa Engineering, Inc. Piezoelectrically actuated single-stage servovalve
US6789558B2 (en) 2002-09-04 2004-09-14 Hr Textron, Inc. Digitally controlled direct drive valve and system and method for manufacturing the same
US20040221896A1 (en) * 2003-05-08 2004-11-11 Ballenger Devane R. Position detector for an electro hydraulic servo valve
US20050150552A1 (en) * 2004-01-06 2005-07-14 Randy Forshey Device, method, and system for controlling fluid flow
DE102004005401B4 (de) * 2004-02-03 2006-04-06 Jungheinrich Aktiengesellschaft Verfahren zum Einstellen des Steuerstroms von stromgesteuerten Hydraulikventilen
US7093607B2 (en) * 2004-03-23 2006-08-22 Hr Textron, Inc. Methods and apparatus for maintaining pressure gain in a servovalve assembly
US7281431B2 (en) * 2005-09-07 2007-10-16 The Boeing Company Velocity feedback compensation for force control systems
US7963185B2 (en) * 2005-09-23 2011-06-21 Woodward, Inc. Stepper motor driven proportional actuator
US20080099705A1 (en) * 2006-10-25 2008-05-01 Enfield Technologies, Llc Retaining element for a mechanical component
DE102007031793A1 (de) * 2007-07-07 2009-01-08 Robert Bosch Gmbh Einmessverfahren und Einmessvorrichtung
US8863833B2 (en) * 2008-06-03 2014-10-21 Baker Hughes Incorporated Multi-point injection system for oilfield operations
DE102008028192A1 (de) * 2008-06-12 2009-12-17 Abb Technology Ag Elektropneumatisches Ventil
CN103233937B (zh) * 2013-05-17 2015-11-04 哈尔滨理工大学 电液伺服阀数字控制器
US9435357B2 (en) * 2014-01-28 2016-09-06 Honeywell International Inc. Self-snubbing hydraulic actuation system
US11015728B2 (en) 2016-08-04 2021-05-25 Woodward, Inc. Stepper motor driven proportional rotary actuator
CN110159436B (zh) * 2019-05-31 2020-04-07 中国航发南方工业有限公司 电液伺服阀的精准控制电路、燃气涡轮发电机组
JP2022109059A (ja) * 2021-01-14 2022-07-27 住友重機械工業株式会社 制御装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201675A (en) * 1962-11-01 1965-08-17 Bendix Corp Maximum command limiter device for an automatic flight control system
US3821625A (en) * 1972-09-18 1974-06-28 Caterpillar Tractor Co Control circuit with deadband compensation for electrically actuated devices
ZA738221B (en) * 1972-11-15 1974-09-25 Westinghouse Electric Corp An improvement in or relating to system and method employing valve management for operating a steam turbine
JPS5934883B2 (ja) * 1974-03-15 1984-08-25 株式会社日立製作所 電磁サ−ボ弁
US4077738A (en) * 1975-12-29 1978-03-07 Teledyne Industries, Inc. Time modulated position controller
JPS5387833A (en) * 1977-01-07 1978-08-02 Grundig Emv Device for controlling model vehicle under radio remote control
US4336745A (en) * 1978-07-31 1982-06-29 Mts Systems Corporation Servovalve flow linearization circuit
DE2916172C2 (de) * 1979-04-21 1983-08-18 Karl 7298 Loßburg Hehl Proportionalventil für hydraulische Anlagen
SU842231A1 (ru) * 1979-05-14 1981-06-30 Всесоюзный Научно-Исследовательскийи Проектно-Конструкторский Институтпромышленных Гидроприводов И Гидро-Автоматики Электрогидравлический усилитель
US4277832A (en) * 1979-10-01 1981-07-07 General Electric Company Fluid flow control system
FR2512977A1 (fr) * 1981-09-11 1983-03-18 Thomson Csf Dispositif a servovalve electrohydraulique
US4466337A (en) * 1982-01-25 1984-08-21 Sundstrand Corporation Electro hydraulic control with dead zone compensation
DE3207392C2 (de) * 1982-03-02 1985-01-10 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zur selbstanpassenden Stellungsregelung eines Stellgliedes
FI72025C (fi) * 1982-11-04 1987-04-13 Valmet Oy Regleringssystem foer en traktor.
JPS59102302A (ja) * 1982-12-02 1984-06-13 井関農機株式会社 正逆転ロ−タリ耕耘装置におけるロ−タリカバ−
US4471280A (en) * 1983-05-06 1984-09-11 The Bendix Corporation Anti-log power amplifier for reversible D.C. motor in automotive steering controls
GB2158971A (en) * 1984-02-22 1985-11-20 Koehring Co Digital servovalve structure and method
GB8419374D0 (en) * 1984-07-30 1984-09-05 Westinghouse Brake & Signal Actuator system
DD226407B5 (de) * 1984-07-30 1994-08-25 Joachim Dipl-Ing Ebermann Lagegeregelter elektrohydraulischer Stellzylinderantrieb
DE3432494C2 (de) * 1984-09-04 1995-07-27 Buerkert Gmbh Regelungsanordnung zur Regelung des Durchsatzes von Gas- oder Flüssigkeitsströmen in Rohrleitungen
JPS6275112A (ja) * 1985-09-30 1987-04-07 Komatsu Ltd 油圧バルブの吐出量及び流量変化量検出装置
GB8608194D0 (en) * 1986-04-03 1986-05-08 Massey Ferguson Services Nv Valve control system
DE3819122C2 (de) * 1988-06-04 1994-06-01 Schubert & Salzer Gmbh & Co Co Verfahren und Vorrichtung zur Regelung der Position von Stellventilen
DE3831988C2 (de) * 1988-09-21 1998-03-19 Bosch Gmbh Robert Proportionalventil mit einem Regelverstärker
DE3931962A1 (de) * 1989-09-25 1991-04-04 Rexroth Mannesmann Gmbh Ansteuerelektronik fuer ein elektrisch verstellbares stellglied
US5012722A (en) * 1989-11-06 1991-05-07 International Servo Systems, Inc. Floating coil servo valve
DE59010152D1 (de) * 1990-08-24 1996-03-28 Moog Gmbh Elektrohydraulisches Servoventil
GB2251705B (en) * 1991-01-12 1994-07-13 Rover Group A throttle valve control system for an engine of a vehicle

Also Published As

Publication number Publication date
GB9310998D0 (en) 1993-07-14
GB2269462A (en) 1994-02-09
GB2269462B (en) 1995-10-25
ITTO930583A1 (it) 1995-02-05
DE4326452B4 (de) 2010-09-09
US5285715A (en) 1994-02-15
JPH0681811A (ja) 1994-03-22
DE4326452A1 (de) 1994-02-10
ITTO930583A0 (it) 1993-08-05
JP2602400B2 (ja) 1997-04-23
IT1260959B (it) 1996-04-29
FR2694617A1 (fr) 1994-02-11

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Legal Events

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DS Decision of the director general to state about an appeal