FR2396352A1 - Circuit d'attaque pour une servovalve - Google Patents

Circuit d'attaque pour une servovalve

Info

Publication number
FR2396352A1
FR2396352A1 FR7818951A FR7818951A FR2396352A1 FR 2396352 A1 FR2396352 A1 FR 2396352A1 FR 7818951 A FR7818951 A FR 7818951A FR 7818951 A FR7818951 A FR 7818951A FR 2396352 A1 FR2396352 A1 FR 2396352A1
Authority
FR
France
Prior art keywords
servovalve
attack circuit
circuit
modulator
fault
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
FR7818951A
Other languages
English (en)
Other versions
FR2396352B1 (fr
Inventor
Daniel John Frey
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2396352A1 publication Critical patent/FR2396352A1/fr
Application granted granted Critical
Publication of FR2396352B1 publication Critical patent/FR2396352B1/fr
Granted 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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
    • G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
    • 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
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2322—Jet control type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Safety Devices In Control Systems (AREA)
  • Control Of Linear Motors (AREA)
  • Flow Control (AREA)
  • Control By Computers (AREA)

Abstract

Circuit d'attaque numérique pour une servovalve à blocage en cas de défaut Il comprend essentiellement un modulateur 4 qui est commandé par un circuit de traitement 2, un réseau de réglage 6, et une source de courant commutée 8 qui attaque la servovalve Application à la régulation du débit de carburant des moteurs à turbine à gaz.
FR7818951A 1977-06-29 1978-06-26 Circuit d'attaque pour une servovalve Granted FR2396352A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,029 US4141376A (en) 1977-06-29 1977-06-29 Digital servovalve drive

Publications (2)

Publication Number Publication Date
FR2396352A1 true FR2396352A1 (fr) 1979-01-26
FR2396352B1 FR2396352B1 (fr) 1984-05-11

Family

ID=25208273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818951A Granted FR2396352A1 (fr) 1977-06-29 1978-06-26 Circuit d'attaque pour une servovalve

Country Status (7)

Country Link
US (1) US4141376A (fr)
JP (1) JPS5417485A (fr)
BE (1) BE868531A (fr)
DE (1) DE2827103A1 (fr)
FR (1) FR2396352A1 (fr)
GB (1) GB1601782A (fr)
IT (1) IT1097076B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393740A (en) * 1979-03-23 1983-07-19 The Wurlitzer Company Programmable tone generator
JPS5629702A (en) * 1979-07-13 1981-03-25 Nec Corp Digital positioning device
JPS5666928A (en) * 1979-11-05 1981-06-05 Hitachi Ltd Pulse generating circuit
US4365202A (en) * 1980-08-25 1982-12-21 Rca Corporation Duty cycle generator with improved resolution
JPS5868110A (ja) * 1981-10-19 1983-04-22 Mitsubishi Rayon Co Ltd ソレノイドのランダム作動方法
JPH063441Y2 (ja) * 1986-11-20 1994-01-26 日本電気株式会社 アクチユエ−タ駆動用差動出力回路
JPS62271002A (ja) * 1987-03-20 1987-11-25 Japan Electronic Control Syst Co Ltd 電子制御装置
JPH03164912A (ja) * 1989-11-24 1991-07-16 Mitsubishi Electric Corp デューティソレノイドバルブの駆動装置
US5093581A (en) * 1990-12-03 1992-03-03 Thomson, S.A. Circuitry for generating pulses of variable widths from binary input data
KR100467184B1 (ko) * 1995-09-22 2005-04-06 그라코 인크. 체적보상압력조절유동제어분배시스템
CN113969841B (zh) * 2021-10-27 2022-09-02 中国人民解放军第五七一九工厂 基于滞环控制的航空发动机电磁阀控制仪

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1461983A (fr) * 1965-01-04 1966-12-09 Sperry Rand Corp Convertisseur numérique-analogique
FR2104811A1 (fr) * 1970-07-29 1972-04-21 Philips Broadcast Equip
US3681581A (en) * 1969-12-31 1972-08-01 Nasa Digital control and information system
DE2231996A1 (de) * 1971-06-30 1973-01-11 Nippon Denso Co Geraet zur einstellung von impulsweiten
FR2317507A1 (fr) * 1975-07-08 1977-02-04 Bosch Gmbh Robert Procede et installation pour limiter la duree d'impulsion d'ordres de commande d'injection de carburant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668560A (en) * 1970-07-09 1972-06-06 Research Corp Pulse-width frequency modulation device
US3697879A (en) * 1971-08-31 1972-10-10 Eltee Pulsitron On-off pulse time control
US3874407A (en) * 1974-01-02 1975-04-01 Ray F Griswold Pulse width modulation control for valves
US4001699A (en) * 1975-09-15 1977-01-04 Burroughs Corporation Bar graph digital interface circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1461983A (fr) * 1965-01-04 1966-12-09 Sperry Rand Corp Convertisseur numérique-analogique
US3681581A (en) * 1969-12-31 1972-08-01 Nasa Digital control and information system
FR2104811A1 (fr) * 1970-07-29 1972-04-21 Philips Broadcast Equip
DE2231996A1 (de) * 1971-06-30 1973-01-11 Nippon Denso Co Geraet zur einstellung von impulsweiten
FR2317507A1 (fr) * 1975-07-08 1977-02-04 Bosch Gmbh Robert Procede et installation pour limiter la duree d'impulsion d'ordres de commande d'injection de carburant

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
EXBK/66 *
EXBK/73 *
EXBK/77 *

Also Published As

Publication number Publication date
DE2827103A1 (de) 1979-01-11
IT7825047A0 (it) 1978-06-28
FR2396352B1 (fr) 1984-05-11
US4141376A (en) 1979-02-27
BE868531A (fr) 1978-10-16
GB1601782A (en) 1981-11-04
JPS5417485A (en) 1979-02-08
IT1097076B (it) 1985-08-26

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Legal Events

Date Code Title Description
ST Notification of lapse