MX9602017A - Transmisor con compensacion mejorada. - Google Patents

Transmisor con compensacion mejorada.

Info

Publication number
MX9602017A
MX9602017A MX9602017A MX9602017A MX9602017A MX 9602017 A MX9602017 A MX 9602017A MX 9602017 A MX9602017 A MX 9602017A MX 9602017 A MX9602017 A MX 9602017A MX 9602017 A MX9602017 A MX 9602017A
Authority
MX
Mexico
Prior art keywords
transmitter
circuit
membership function
compensated
senses
Prior art date
Application number
MX9602017A
Other languages
English (en)
Inventor
Jogesh Warrior
Gary A Lenz
Scott E Brigham
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 MX9602017A publication Critical patent/MX9602017A/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G01D3/0365—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves the undesired influence being measured using a separate sensor, which produces an influence related signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/90—Fuzzy logic
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/902—Application using ai with detail of the ai system
    • Y10S706/903—Control
    • Y10S706/906—Process plant

Abstract

Un circuito (58) para compensar las variables en un transmisor (2) de medicion. Dentro del transmisor, un censor (54) detecta una variable del proceso primaria tal como una presion diferencial, y un convertidor (56) digitiza la variable del proceso detectada. El censor (54) detecta las presiones dentro de un lapso de valores de presiones. Una memoria (68) dentro del transmisor almacena por lo menos dos funciones de afiliacion. La memoria (68) también almacena un juego de formulas de compensacion, cada formula corresponde a una funcion de afiliacion. Un circuito (64) de seleccion en el transmisor (2) selecciona aquellas funciones de afiliacion que tienen un valor que no es de cero en la PV digitizada, y un circuito (66) de correccion proporciona por lo menos un valor de correccion calculado de una formula de compensacion que corresponde a una funcion de afiliacion seleccionada. Un circuito (70) de ponderacion multiplica cada valor de correccion mediante su funcion de afiliacion seleccionada correspondiente, y combina los multiplicandos para proporcionar una PV compensada. La PV compensada se acopla a un circuito (6) de control que conecta el transmisor (2) con un sistema (4) de control.
MX9602017A 1994-01-25 1995-01-17 Transmisor con compensacion mejorada. MX9602017A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/186,288 US5642301A (en) 1994-01-25 1994-01-25 Transmitter with improved compensation
PCT/US1995/000835 WO1995020141A1 (en) 1994-01-25 1995-01-17 Transmitter with improved compensation

Publications (1)

Publication Number Publication Date
MX9602017A true MX9602017A (es) 1997-05-31

Family

ID=22684353

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9602017A MX9602017A (es) 1994-01-25 1995-01-17 Transmisor con compensacion mejorada.

Country Status (11)

Country Link
US (2) US5642301A (es)
EP (1) EP0741858B1 (es)
JP (1) JP3557213B2 (es)
CN (1) CN1139483A (es)
BR (1) BR9506548A (es)
CA (1) CA2178809A1 (es)
DE (1) DE69504036T2 (es)
MX (1) MX9602017A (es)
RU (1) RU2138781C1 (es)
SG (1) SG44457A1 (es)
WO (1) WO1995020141A1 (es)

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US7680460B2 (en) * 2005-01-03 2010-03-16 Rosemount Inc. Wireless process field device diagnostics
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US7334484B2 (en) * 2005-05-27 2008-02-26 Rosemount Inc. Line pressure measurement using differential pressure sensor
US8452255B2 (en) 2005-06-27 2013-05-28 Rosemount Inc. Field device with dynamically adjustable power consumption radio frequency communication
US7379792B2 (en) * 2005-09-29 2008-05-27 Rosemount Inc. Pressure transmitter with acoustic pressure sensor
US7415886B2 (en) * 2005-12-20 2008-08-26 Rosemount Inc. Pressure sensor with deflectable diaphragm
US7308830B2 (en) * 2006-01-26 2007-12-18 Rosemount Inc. Pressure sensor fault detection
US7913566B2 (en) * 2006-05-23 2011-03-29 Rosemount Inc. Industrial process device utilizing magnetic induction
US8188359B2 (en) * 2006-09-28 2012-05-29 Rosemount Inc. Thermoelectric generator assembly for field process devices
US7808379B2 (en) * 2007-03-05 2010-10-05 Rosemount Inc. Mode selectable field transmitter
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Also Published As

Publication number Publication date
DE69504036T2 (de) 1999-04-15
CN1139483A (zh) 1997-01-01
EP0741858A1 (en) 1996-11-13
US5960375A (en) 1999-09-28
SG44457A1 (en) 1997-12-19
US5642301A (en) 1997-06-24
BR9506548A (pt) 1997-08-19
CA2178809A1 (en) 1995-07-27
JP3557213B2 (ja) 2004-08-25
DE69504036D1 (de) 1998-09-17
RU2138781C1 (ru) 1999-09-27
WO1995020141A1 (en) 1995-07-27
EP0741858B1 (en) 1998-08-12
JPH09508210A (ja) 1997-08-19

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal