GB1342825A - Method of controlling a process and apparatus for use in the method involving calibration of a pick-up - Google Patents

Method of controlling a process and apparatus for use in the method involving calibration of a pick-up

Info

Publication number
GB1342825A
GB1342825A GB265371A GB265371A GB1342825A GB 1342825 A GB1342825 A GB 1342825A GB 265371 A GB265371 A GB 265371A GB 265371 A GB265371 A GB 265371A GB 1342825 A GB1342825 A GB 1342825A
Authority
GB
United Kingdom
Prior art keywords
iii
signals
calibration
track
output
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
Application number
GB265371A
Other languages
English (en)
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.)
Ballast Nedam NV
Original Assignee
Ballast Nedam Groep NV
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 Ballast Nedam Groep NV filed Critical Ballast Nedam Groep NV
Publication of GB1342825A publication Critical patent/GB1342825A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/66—Analogue computers for specific processes, systems or devices, e.g. simulators for control systems
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
    • G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
    • G01L27/005—Apparatus for calibrating pressure sensors
    • 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
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/017—Automatic controllers electric details of the transmission means using photo-electric means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Civil Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Testing And Monitoring For Control Systems (AREA)
GB265371A 1970-01-23 1971-01-19 Method of controlling a process and apparatus for use in the method involving calibration of a pick-up Expired GB1342825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL707001014A NL143042B (nl) 1970-01-23 1970-01-23 Inrichting voor het meten van een druk, bijvoorbeeld van het gewicht van materiaal in een laadruim van een baggervaartuig.

Publications (1)

Publication Number Publication Date
GB1342825A true GB1342825A (en) 1974-01-03

Family

ID=19809165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB265371A Expired GB1342825A (en) 1970-01-23 1971-01-19 Method of controlling a process and apparatus for use in the method involving calibration of a pick-up

Country Status (7)

Country Link
US (1) US3740533A (enExample)
JP (1) JPS5234943B1 (enExample)
BE (1) BE761782A (enExample)
DE (1) DE2103055B2 (enExample)
FR (1) FR2077293B1 (enExample)
GB (1) GB1342825A (enExample)
NL (1) NL143042B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191292A (en) * 1986-06-07 1987-12-09 Thomas James Allen Measuring equipment

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531052C3 (de) * 1975-07-11 1978-06-22 Rotring-Werke Riepe Kg, 2000 Hamburg Verfahren zur Herstellung von Symbolausschnitten in Schrift- und Zeichenschablonen
US4051712A (en) * 1976-08-20 1977-10-04 National Semiconductor Corporation Pressure transducer auto reference
DE3115404A1 (de) * 1981-04-16 1982-11-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur ueberwachung und kalibrierung von grenzstromsonden
US4476707A (en) * 1982-04-08 1984-10-16 Bear Medical Systems, Inc. Gas flow measurement with detented chopper valve
US4446715A (en) * 1982-06-07 1984-05-08 Camino Laboratories, Inc. Transducer calibration system
US4770179A (en) * 1982-09-02 1988-09-13 Nellcor Incorporated Calibrated optical oximeter probe
US4542638A (en) * 1983-09-16 1985-09-24 Fellows Corporation Automatic calibration of sensor circuits in gear shapers
JPS60211994A (ja) * 1984-04-06 1985-10-24 田中貴金属工業株式会社 プリント配線基板の製造方法
CA2107624C (en) * 1992-10-05 2002-01-08 Stephen G. Seberger Electro-pneumatic converter calibration
US5553479A (en) * 1993-03-24 1996-09-10 Flowline Inc. Threshold level calibration method and apparatus
US5485741A (en) * 1993-10-19 1996-01-23 Medamicus, Inc. Vacuum calibration method for an optical fiber pressure transducer
US6622034B1 (en) 1999-09-10 2003-09-16 Imagenix, Inc. Oximeter sensor with functional liner
US7003417B2 (en) * 2003-06-06 2006-02-21 Invensys Systems, Inc. Multiple calibration ranges stored in a process transmitter
US7098669B2 (en) * 2003-10-01 2006-08-29 Flowline, Inc. Depth determining system
DE102012208308A1 (de) * 2012-05-18 2013-11-21 Robert Bosch Gmbh Optisches Entfernungsmessgerät mit Kalibriereinrichtung zum Berücksichtigen von Übersprechen
US11169032B2 (en) * 2017-04-07 2021-11-09 Sercel Gauge with adaptive calibration and method
CN116481713B (zh) * 2023-06-21 2023-09-08 新光维医疗科技(苏州)股份有限公司 气体输送系统中压力检测电路的校准方法、系统及介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT266475B (de) * 1966-07-26 1968-11-25 Oesterr Studien Atomenergie Verfahren und Vorrichtung zur Erzeugung eines Regelsignales für automatisch gesteuerte Einrichtungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191292A (en) * 1986-06-07 1987-12-09 Thomas James Allen Measuring equipment
GB2191292B (en) * 1986-06-07 1990-02-21 Thomas James Allen Measuring equipment

Also Published As

Publication number Publication date
JPS5234943B1 (en) 1977-09-06
DE2103055A1 (de) 1971-09-09
FR2077293A1 (enExample) 1971-10-22
FR2077293B1 (enExample) 1975-01-17
JPS46786A (en) 1971-09-03
NL143042B (nl) 1974-08-15
NL7001014A (enExample) 1971-07-27
DE2103055B2 (de) 1973-11-15
DE2103055C3 (enExample) 1974-06-06
BE761782A (nl) 1971-07-20
US3740533A (en) 1973-06-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee