ITTO930583A0 - Servovalvola elettroidraulica con compensazione del guadagno di flusso - Google Patents

Servovalvola elettroidraulica con compensazione del guadagno di flusso

Info

Publication number
ITTO930583A0
ITTO930583A0 IT93TO583A ITTO930583A ITTO930583A0 IT TO930583 A0 ITTO930583 A0 IT TO930583A0 IT 93TO583 A IT93TO583 A IT 93TO583A IT TO930583 A ITTO930583 A IT TO930583A IT TO930583 A0 ITTO930583 A0 IT TO930583A0
Authority
IT
Italy
Prior art keywords
servo valve
gain compensation
electrohydraulic servo
flow gain
flow
Prior art date
Application number
IT93TO583A
Other languages
English (en)
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 filed Critical
Publication of ITTO930583A0 publication Critical patent/ITTO930583A0/it
Publication of ITTO930583A1 publication Critical patent/ITTO930583A1/it
Application granted granted Critical
Publication of IT1260959B publication Critical patent/IT1260959B/it

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—Program-control systems
    • G05B19/02—Program-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 program 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 program 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 program 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 program 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 program 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)
IT93TO583 1992-08-06 1993-08-05 Servovalvola elettroidraulica con compensazione del guadagno di flusso IT1260959B (it)

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 (3)

Publication Number Publication Date
ITTO930583A0 true ITTO930583A0 (it) 1993-08-05
ITTO930583A1 ITTO930583A1 (it) 1995-02-05
IT1260959B IT1260959B (it) 1996-04-29

Family

ID=25452610

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93TO583 IT1260959B (it) 1992-08-06 1993-08-05 Servovalvola elettroidraulica con compensazione del guadagno di flusso

Country Status (6)

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

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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
KR100212771B1 (ko) * 1995-10-09 1999-08-02 사쿠마 하지메 기계 구성체의 제어 장치
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
JP7587990B2 (ja) * 2021-01-14 2024-11-21 住友重機械工業株式会社 制御装置

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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
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FR2512977A1 (fr) * 1981-09-11 1983-03-18 Thomson Csf Dispositif a servovalve electrohydraulique
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Also Published As

Publication number Publication date
DE4326452B4 (de) 2010-09-09
FR2694617B1 (fr) 1996-12-27
US5285715A (en) 1994-02-15
GB9310998D0 (en) 1993-07-14
GB2269462A (en) 1994-02-09
FR2694617A1 (fr) 1994-02-11
ITTO930583A1 (it) 1995-02-05
JPH0681811A (ja) 1994-03-22
IT1260959B (it) 1996-04-29
DE4326452A1 (de) 1994-02-10
GB2269462B (en) 1995-10-25
JP2602400B2 (ja) 1997-04-23

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Legal Events

Date Code Title Description
0001 Granted