AU2001245483A1 - System for controlling hydraulic actuator - Google Patents

System for controlling hydraulic actuator

Info

Publication number
AU2001245483A1
AU2001245483A1 AU2001245483A AU4548301A AU2001245483A1 AU 2001245483 A1 AU2001245483 A1 AU 2001245483A1 AU 2001245483 A AU2001245483 A AU 2001245483A AU 4548301 A AU4548301 A AU 4548301A AU 2001245483 A1 AU2001245483 A1 AU 2001245483A1
Authority
AU
Australia
Prior art keywords
hydraulic actuator
controlling hydraulic
controlling
actuator
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.)
Abandoned
Application number
AU2001245483A
Inventor
Terrance F Krouth
Mark S. Schumacher
David E Wiklund
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.)
Rosemount Inc
Original Assignee
Rosemount 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 Rosemount Inc filed Critical Rosemount Inc
Publication of AU2001245483A1 publication Critical patent/AU2001245483A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/44—Venturi tubes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/50—Correcting or compensating means
AU2001245483A 2000-03-08 2001-03-07 System for controlling hydraulic actuator Abandoned AU2001245483A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US52153700A 2000-03-08 2000-03-08
US52113200A 2000-03-08 2000-03-08
US18784900P 2000-03-08 2000-03-08
US09521537 2000-03-08
US60187849 2000-03-08
US09521132 2000-03-08
US21832900P 2000-07-14 2000-07-14
US60218329 2000-07-14
PCT/US2001/007249 WO2001066956A2 (en) 2000-03-08 2001-03-07 System for controlling hydraulic actuator

Publications (1)

Publication Number Publication Date
AU2001245483A1 true AU2001245483A1 (en) 2001-09-17

Family

ID=27497729

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2001245483A Abandoned AU2001245483A1 (en) 2000-03-08 2001-03-07 System for controlling hydraulic actuator
AU2001240102A Abandoned AU2001240102A1 (en) 2000-03-08 2001-03-07 Hydraulic actuator piston measurement apparatus and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2001240102A Abandoned AU2001240102A1 (en) 2000-03-08 2001-03-07 Hydraulic actuator piston measurement apparatus and method

Country Status (2)

Country Link
AU (2) AU2001245483A1 (en)
WO (2) WO2001066956A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10259394A1 (en) * 2002-12-19 2004-07-15 Festo Ag & Co Device for diagnosing the condition of a fluid technology component, in particular a fluidic cylinder
DE102009023168A1 (en) * 2009-05-29 2010-12-02 Festo Ag & Co. Kg Position measuring device for detecting the position of at least one actuator of a fluidic system without position sensor
EP2694366B1 (en) * 2011-04-07 2015-03-04 LORD Corporation Aircraft rotary wing motion control and instrumented motion control fluid device
DE102013226138A1 (en) 2013-12-17 2015-06-18 Robert Bosch Gmbh Pressure sensor device, air mass measuring device, air mass measuring system and pressure measuring method
CN107764361A (en) * 2017-09-13 2018-03-06 美核电气（济南）股份有限公司 Purging system and method for nuclear power station differential pressure measurement
CN113757221A (en) * 2021-07-22 2021-12-07 浙江大学 Liquid supply speed and position open-loop control method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658928A1 (en) * 1976-12-24 1978-07-06 Beringer Hydraulik Gmbh HYDRAULIC CONTROL
DE2759263C3 (en) * 1977-12-31 1981-02-19 Kracht Pumpen- Und Motorenfabrik Gmbh & Co Kg, 5980 Werdohl Monitoring system for hydraulically operated fittings
FR2485724A1 (en) * 1980-06-25 1981-12-31 Commissariat Energie Atomique Flowmeter for fluid in pipes e.g. of nuclear reactor cooling circuit - where strain gauges mounted on dynamometer rings are exposed to stress by fluid flowing through perforated disk in pipe
DE3244668A1 (en) * 1982-12-02 1984-06-07 F.W. Oventrop Arn. Sohn Kg, 5787 Olsberg Method and device for detecting flow rates of fluid media conducted through pipelines
US4654813A (en) * 1984-03-09 1987-03-31 Southern Gas Association Electronic square root error indicator
JPS61160605A (en) * 1985-01-08 1986-07-21 Hitachi Constr Mach Co Ltd Directional control valve with discharge flow measuring function
EP0309643B1 (en) * 1987-09-28 1992-11-25 Landis & Gyr Business Support AG Actuator for influencing the flow of a gas or a fluid medium
DE4220333A1 (en) * 1992-06-22 1993-12-23 Marco Systemanalyse Entw Measuring piston displacement in hydraulic working cylinder - determining flow of hydraulic medium through cylinder from pressure difference measurement across choke
DE29616034U1 (en) * 1996-09-14 1997-01-02 Mohrmann Michael Dipl Ing Multi-stage hydraulic cylinder with stroke measuring system

Also Published As

Publication number Publication date
WO2001066956A3 (en) 2002-01-31
WO2001066956A2 (en) 2001-09-13
WO2001066957A3 (en) 2002-01-31
AU2001240102A1 (en) 2001-09-17
WO2001066957A2 (en) 2001-09-13

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