DE19882238T1 - Schnelle Bestimmung der Übertragungsfunktion für ein Nachlauffilter - Google Patents

Schnelle Bestimmung der Übertragungsfunktion für ein Nachlauffilter

Info

Publication number
DE19882238T1
DE19882238T1 DE19882238T DE19882238T DE19882238T1 DE 19882238 T1 DE19882238 T1 DE 19882238T1 DE 19882238 T DE19882238 T DE 19882238T DE 19882238 T DE19882238 T DE 19882238T DE 19882238 T1 DE19882238 T1 DE 19882238T1
Authority
DE
Germany
Prior art keywords
transfer function
tracking filter
fast determination
fast
determination
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.)
Granted
Application number
DE19882238T
Other languages
English (en)
Other versions
DE19882238B4 (de
Inventor
Lowell A Kleven
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.)
Micro Motion 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 DE19882238T1 publication Critical patent/DE19882238T1/de
Application granted granted Critical
Publication of DE19882238B4 publication Critical patent/DE19882238B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/32—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 detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
DE19882238T 1997-03-27 1998-03-24 Wirbeldurchflussmesser und Verfahren für einen Wirbeldurchflussmesser Expired - Fee Related DE19882238B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/826,272 1997-03-27
US08/826,272 US5942696A (en) 1997-03-27 1997-03-27 Rapid transfer function determination for a tracking filter
PCT/US1998/005682 WO1998044317A1 (en) 1997-03-27 1998-03-24 Rapid transfer function determination for a tracking filter

Publications (2)

Publication Number Publication Date
DE19882238T1 true DE19882238T1 (de) 2000-05-31
DE19882238B4 DE19882238B4 (de) 2009-08-20

Family

ID=25246123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882238T Expired - Fee Related DE19882238B4 (de) 1997-03-27 1998-03-24 Wirbeldurchflussmesser und Verfahren für einen Wirbeldurchflussmesser

Country Status (6)

Country Link
US (1) US5942696A (de)
JP (1) JP4435309B2 (de)
CN (1) CN1135363C (de)
DE (1) DE19882238B4 (de)
GB (1) GB2338071B (de)
WO (1) WO1998044317A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028006A1 (de) * 2006-06-14 2007-12-20 Siemens Ag Feldgerät und Verfahren zum Verarbeiten mindestens einer Messgröße in einem Feldgerät

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3498785B2 (ja) 1998-10-07 2004-02-16 横河電機株式会社 渦流量計
JP3765384B2 (ja) 1999-09-14 2006-04-12 横河電機株式会社 渦流量計
US6386046B1 (en) * 1999-09-28 2002-05-14 The Foxboro Company Method and system for characterizing pulsatile flow in a vortex flowmeter
DE10035998A1 (de) * 2000-07-25 2002-02-07 Kraeutler Ges M B H & Co Vorrichtung zur Bestimmung des Massendurchflusses von Flüssigkeiten
US6993445B2 (en) * 2001-01-16 2006-01-31 Invensys Systems, Inc. Vortex flowmeter
US6531884B1 (en) 2001-08-27 2003-03-11 Rosemount Inc. Diagnostics for piezoelectric sensor
DE10161071A1 (de) * 2001-12-12 2003-06-18 Endress & Hauser Gmbh & Co Kg Feldgeräteelektronik mit einer Sensoreinheit für die Prozessmesstechnik
DE102005003631A1 (de) * 2005-01-26 2006-07-27 Abb Patent Gmbh Wirbeldurchflussmesser mit Amplituden-und Frequenzinformationsauswertung und Verfahren hierzu
CN100427894C (zh) * 2006-11-13 2008-10-22 浙江大学 差压式涡街质量流量测量信号处理系统
EP2122307B1 (de) * 2007-03-06 2017-05-03 Micro Motion, Inc. Belüftetes piezoelektrisches hochtemperatur-feldgerät
JP5272079B2 (ja) * 2008-10-27 2013-08-28 ローズマウント インコーポレイテッド 高速応答フロー演算付き多変数プロセス流体フロー装置
US9032815B2 (en) 2011-10-05 2015-05-19 Saudi Arabian Oil Company Pulsating flow meter having a bluff body and an orifice plate to produce a pulsating flow
US9341505B2 (en) 2014-05-09 2016-05-17 Rosemount Inc. Anomaly fluid detection
US9322683B2 (en) 2014-05-12 2016-04-26 Invensys Systems, Inc. Multivariable vortex flowmeter
US10788344B2 (en) 2014-11-04 2020-09-29 Schneider Electric Systems Usa, Inc. Vortex flowmeter including pressure pulsation amplitude analysis
US11029181B2 (en) 2018-06-22 2021-06-08 Micro Motion, Inc. Vortex flowmeter with flow instability detection
CN112964322B (zh) * 2021-02-06 2023-12-26 沃威仪器(珠海)有限公司 一种热式质量流量新型测定装置
US12385767B2 (en) 2022-12-19 2025-08-12 Micro Motion, Inc. Multifluid detection and totalization in a vortex flow meter

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616693A (en) * 1969-06-16 1971-11-02 Fischer & Porter Co Swirl-type flowmeter
US3638037A (en) * 1970-05-26 1972-01-25 Eastech Automatic tracking filter
US3709034A (en) * 1971-02-02 1973-01-09 Fischer & Porter Co Signal conditioner for recovering dominant signals from swirl-type meters
US3719080A (en) * 1971-06-07 1973-03-06 Fischer & Porter Co Sensor probe and shield assembly for swirl-type flowmeter
US3864972A (en) * 1973-03-12 1975-02-11 Fischer & Porter Co Signal recovery system for vortex type flowmeter
US4270391A (en) * 1979-08-24 1981-06-02 Fischer & Porter Co. Frequency-responsive filter for flowmeter transmission system
EP0093584A1 (de) * 1982-05-01 1983-11-09 Hicks Transmissions Limited Zahnradzusammenbau
JPS5918421A (ja) * 1982-07-22 1984-01-30 Oval Eng Co Ltd 帯域自動追従フイルタ
US4545258A (en) * 1983-07-05 1985-10-08 Rosemount Inc. Circuit with adjustable amplitude and rolloff frequency characteristics
US4815324A (en) * 1986-04-24 1989-03-28 Mitsubishi Denki Kabushiki Kaisha Intake air meter for an internal combustion engine
US4866435A (en) * 1987-10-16 1989-09-12 Rosemount Inc. Digital transmitter with variable resolution as a function of speed
US4893035A (en) * 1988-07-18 1990-01-09 Hittite Microwave Corporation Cascaded low pass/high pass filter phase shifter system
US5309771A (en) * 1992-03-09 1994-05-10 Lew Yon S Method for processing signals in vortex flowmeters
US5435188A (en) * 1992-03-09 1995-07-25 Lew; Hyok S. Electronic filter for flowmeters with compound controls
US5351556A (en) * 1992-03-09 1994-10-04 Lew Yon S Compound electronic filter for vortex flowmeters
US5372046A (en) * 1992-09-30 1994-12-13 Rosemount Inc. Vortex flowmeter electronics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028006A1 (de) * 2006-06-14 2007-12-20 Siemens Ag Feldgerät und Verfahren zum Verarbeiten mindestens einer Messgröße in einem Feldgerät

Also Published As

Publication number Publication date
US5942696A (en) 1999-08-24
CN1251651A (zh) 2000-04-26
WO1998044317A1 (en) 1998-10-08
JP4435309B2 (ja) 2010-03-17
GB2338071B (en) 2000-11-08
GB2338071A8 (en) 2000-01-11
DE19882238B4 (de) 2009-08-20
CN1135363C (zh) 2004-01-21
GB2338071A (en) 1999-12-08
JP2001517311A (ja) 2001-10-02
GB9921575D0 (en) 1999-11-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R081 Change of applicant/patentee

Owner name: MICRO MOTION, INC., BOULDER, US

Free format text: FORMER OWNER: ROSEMOUNT INC., EDEN PRAIRIE, MINN., US

R082 Change of representative

Representative=s name: VOSSIUS & PARTNER PATENTANWAELTE RECHTSANWAELT, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee