FR2726344B1 - Servovalves hydrauliques a multiplexage - Google Patents

Servovalves hydrauliques a multiplexage

Info

Publication number
FR2726344B1
FR2726344B1 FR9512883A FR9512883A FR2726344B1 FR 2726344 B1 FR2726344 B1 FR 2726344B1 FR 9512883 A FR9512883 A FR 9512883A FR 9512883 A FR9512883 A FR 9512883A FR 2726344 B1 FR2726344 B1 FR 2726344B1
Authority
FR
France
Prior art keywords
multiplexing
hydraulic servovalves
servovalves
multiplexing hydraulic
hydraulic
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 - Fee Related
Application number
FR9512883A
Other languages
English (en)
Other versions
FR2726344A1 (fr
Inventor
Mario A Rodriguez
Kim L Coakley
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 FR2726344A1 publication Critical patent/FR2726344A1/fr
Application granted granted Critical
Publication of FR2726344B1 publication Critical patent/FR2726344B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • 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
    • G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
    • G05B19/4144—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by using multiplexing for control system
    • 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
    • G05B2219/34—Director, elements to supervisory
    • G05B2219/34215—Microprocessor
    • 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
    • G05B2219/34—Director, elements to supervisory
    • G05B2219/34238—Hydraulic multiplexer
    • 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
    • G05B2219/41301—Pilot valve, linear fluid control valve and power cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Servomotors (AREA)
FR9512883A 1994-10-31 1995-10-31 Servovalves hydrauliques a multiplexage Expired - Fee Related FR2726344B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33178194A 1994-10-31 1994-10-31

Publications (2)

Publication Number Publication Date
FR2726344A1 FR2726344A1 (fr) 1996-05-03
FR2726344B1 true FR2726344B1 (fr) 1998-02-20

Family

ID=23295353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9512883A Expired - Fee Related FR2726344B1 (fr) 1994-10-31 1995-10-31 Servovalves hydrauliques a multiplexage

Country Status (2)

Country Link
FR (1) FR2726344B1 (fr)
GB (1) GB2294785A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105041752A (zh) * 2015-07-07 2015-11-11 镇江索达精密机械有限公司 一种多回路刚性同步变节流流量控制液压系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549578A (en) * 1984-03-21 1985-10-29 Exxon Production Research Co. Coded fluid control system
CN1017276B (zh) * 1988-02-17 1992-07-01 通用电气公司 液体多通道转换器
US4913032A (en) * 1988-12-19 1990-04-03 Woodward Governor Company Multiplexed hydraulic control systems
US4966065A (en) * 1989-01-23 1990-10-30 Woodward Governor Company Multiplexed hydraulic control systems
US4984505A (en) * 1989-02-01 1991-01-15 Woodward Governor Company Multiplexed hydraulic control systems
US5048394A (en) * 1989-07-28 1991-09-17 Woodward Governor Company Multiplexed hydraulic control system with oscillator for multiplexer drive
US5054369A (en) * 1989-07-28 1991-10-08 Woodward Governor Company Multiplexed hydraulic control system with plural selector valves
US5081903A (en) * 1990-01-09 1992-01-21 Woodward Governor Company Multiplexed hydraulic control system with multi-bit binary selector signal control
US5088383A (en) * 1990-01-22 1992-02-18 Woodward Governor Company Multiplexed hydraulic control system with multiplexing valve having planar port array

Also Published As

Publication number Publication date
GB9522213D0 (en) 1996-01-03
FR2726344A1 (fr) 1996-05-03
GB2294785A (en) 1996-05-08

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Legal Events

Date Code Title Description
ST Notification of lapse