MX9707529A - Metodo y aparato para un refuerzo adaptativo en linea en la medicion del medidor de flujo de masa por efecto coriolis. - Google Patents

Metodo y aparato para un refuerzo adaptativo en linea en la medicion del medidor de flujo de masa por efecto coriolis.

Info

Publication number
MX9707529A
MX9707529A MX9707529A MX9707529A MX9707529A MX 9707529 A MX9707529 A MX 9707529A MX 9707529 A MX9707529 A MX 9707529A MX 9707529 A MX9707529 A MX 9707529A MX 9707529 A MX9707529 A MX 9707529A
Authority
MX
Mexico
Prior art keywords
mass flow
frequency
sensor signal
filters
flow meter
Prior art date
Application number
MX9707529A
Other languages
English (en)
Inventor
Howard Vincent Derby
Tamal Bose
Sreeraman Rajan
Original Assignee
Micro Motion 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23993458&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX9707529(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Micro Motion Inc filed Critical Micro Motion Inc
Publication of MX9707529A publication Critical patent/MX9707529A/es

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G01F15/024Compensating or correcting for variations in pressure, density or temperature using electrical means involving digital counting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8431Coriolis or gyroscopic mass flowmeters constructional details electronic circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/845Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • G01F1/8477Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane with multiple measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Se describe un aparato y un método para determinar las relaciones de frecuencia y de fase de los tubos de flujo vibrantes en un medidor de flujo por efecto Coriolis. Se usan técnicas y aparatos de refozamiento adaptativo en línea (ALE), en un dispositivo de procesamiento digital de la señal (DSP), para determinar, de manera exacta, las relaciones de frecuencia y de fase del tubo de flujo vibrante y determinar, por lo tanto, de manera más exacta, la velocidad del flujo de masa de un material que fluye a través del medidor de flujo de masa. En una primera modalidad, se usa un filtro de ranura adaptativo para reforzar la señal de cada señal del sensor correspondiente en los tubos de flujo vibrantes. En una segunda modalidad, se usan en cascada una pluralidad de filtros de ranura adaptativos, para reforzar la señal de cada señal del sensor correspondiente. En las dos modalidades, un filtro de decimacion de alisamiento, asociado con cada señal del sensor, reduce la complejidad de computo, reduciendo el numero de muestras de un dispositivo de muestreo A/D de frecuencia fija, asociado con cada señal de sensor. Se efectuan ajustes de computo para compensar la pérdida del espectro entre la frecuencia de muestreo, fija, y la frecuencia fundamental, variable, de los tubos de flujo vibrantes. A pesar de esta complejidad adicional de computo, la presente invencion es más simple que los diseños previos y proporciona mejora inmunidad al ruido debido a la filtracion de ranura. Se aplica la heurística a los algoritmos de adaptacion de la ponderacion, de los filtros de ranura, para mejorar la convergencia de los filtros digitales y reducir la posibilidad de inestabilidad de los filtros que interfieren con las mediciones del flujo de masa.
MX9707529A 1995-07-12 1996-07-03 Metodo y aparato para un refuerzo adaptativo en linea en la medicion del medidor de flujo de masa por efecto coriolis. MX9707529A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/501,411 US5555190A (en) 1995-07-12 1995-07-12 Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement
PCT/US1996/011280 WO1997003339A1 (en) 1995-07-12 1996-07-03 Method and apparatus for adaptive line enhancement in coriolis mass flow meter measurement

Publications (1)

Publication Number Publication Date
MX9707529A true MX9707529A (es) 1997-11-29

Family

ID=23993458

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9707529A MX9707529A (es) 1995-07-12 1996-07-03 Metodo y aparato para un refuerzo adaptativo en linea en la medicion del medidor de flujo de masa por efecto coriolis.

Country Status (11)

Country Link
US (1) US5555190A (es)
EP (1) EP0838020B1 (es)
JP (1) JP2930430B2 (es)
CN (1) CN1104631C (es)
AU (1) AU704345B2 (es)
CA (1) CA2208452C (es)
DE (1) DE69607756T2 (es)
HK (1) HK1018094A1 (es)
MX (1) MX9707529A (es)
RU (1) RU2155325C2 (es)
WO (1) WO1997003339A1 (es)

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JP2930430B2 (ja) 1999-08-03
RU2155325C2 (ru) 2000-08-27
WO1997003339A1 (en) 1997-01-30
DE69607756D1 (de) 2000-05-18
EP0838020A1 (en) 1998-04-29
CN1190461A (zh) 1998-08-12
DE69607756T2 (de) 2000-08-10
EP0838020B1 (en) 2000-04-12
JPH10508383A (ja) 1998-08-18
AU704345B2 (en) 1999-04-22
CA2208452A1 (en) 1997-01-30
AU6542496A (en) 1997-02-10
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US5555190A (en) 1996-09-10
CN1104631C (zh) 2003-04-02
CA2208452C (en) 2001-11-06

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