CA1303176C - Method for eliminating sensor drift in a vibration monitoring system - Google Patents

Method for eliminating sensor drift in a vibration monitoring system

Info

Publication number
CA1303176C
CA1303176C CA000560260A CA560260A CA1303176C CA 1303176 C CA1303176 C CA 1303176C CA 000560260 A CA000560260 A CA 000560260A CA 560260 A CA560260 A CA 560260A CA 1303176 C CA1303176 C CA 1303176C
Authority
CA
Canada
Prior art keywords
blade
sensor
arrival time
average
time
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 - Lifetime
Application number
CA000560260A
Other languages
English (en)
French (fr)
Inventor
Michael Twerdochlib
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1303176C publication Critical patent/CA1303176C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G01H1/006—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines of the rotor of turbo machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
CA000560260A 1987-03-02 1988-03-01 Method for eliminating sensor drift in a vibration monitoring system Expired - Lifetime CA1303176C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/020,827 US4790189A (en) 1987-03-02 1987-03-02 Method for eliminating sensor drift in a vibration monitoring system
US020,827 1987-03-02

Publications (1)

Publication Number Publication Date
CA1303176C true CA1303176C (en) 1992-06-09

Family

ID=21800813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000560260A Expired - Lifetime CA1303176C (en) 1987-03-02 1988-03-01 Method for eliminating sensor drift in a vibration monitoring system

Country Status (8)

Country Link
US (1) US4790189A (cg-RX-API-DMAC7.html)
JP (1) JPS63231229A (cg-RX-API-DMAC7.html)
KR (1) KR960007827B1 (cg-RX-API-DMAC7.html)
CN (1) CN1011341B (cg-RX-API-DMAC7.html)
CA (1) CA1303176C (cg-RX-API-DMAC7.html)
ES (1) ES2009558A6 (cg-RX-API-DMAC7.html)
FR (1) FR2611901B1 (cg-RX-API-DMAC7.html)
IT (1) IT1215876B (cg-RX-API-DMAC7.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896537A (en) * 1988-06-02 1990-01-30 Westinghouse Electric Corp. Shrouded turbine blade vibration monitor
US5148711A (en) * 1990-11-01 1992-09-22 Westinghouse Electric Corp. Apparatus and method for removing common mode vibration data from digital turbine blade vibration data
DE102006060650A1 (de) * 2006-12-21 2008-06-26 Mtu Aero Engines Gmbh Vorrichtung und Verfahren zur berührungslosen Schaufelschwingungsmessung
US7861592B2 (en) * 2007-02-27 2011-01-04 Siemens Energy, Inc. Blade shroud vibration monitor
US7987725B2 (en) * 2007-09-21 2011-08-02 Siemens Energy, Inc. Method of matching sensors in a multi-probe turbine blade vibration monitor
GB0811073D0 (en) * 2008-06-18 2008-07-23 Rolls Royce Plc Timing analysis
US7866213B2 (en) * 2008-06-18 2011-01-11 Siemens Energy, Inc. Method of analyzing non-synchronous vibrations using a dispersed array multi-probe machine
US8676514B2 (en) * 2010-06-29 2014-03-18 General Electric Company System and method for monitoring health of airfoils
GB0822859D0 (en) * 2008-12-16 2009-01-21 Rolls Royce Plc Timing analysis
GB201004559D0 (en) 2010-03-19 2010-05-05 Rolls Royce Plc Rotating blade analysis
JP5293406B2 (ja) * 2009-05-28 2013-09-18 株式会社Ｉｈｉ 回転翼の非接触翼振動計測方法
US8177505B2 (en) * 2010-04-22 2012-05-15 General Electric Company Method for measuring a rotational position of a rotor blade of a wind turbine and measuring device
GB2491632B (en) * 2011-06-10 2013-10-30 Rolls Royce Plc Rotating blade analysis
GB201402419D0 (en) 2014-02-12 2014-03-26 Rolls Royce Plc Time reference derivation from time of arrival measurements
JP6455702B2 (ja) * 2014-08-22 2019-01-23 株式会社Ihi 回転体の振動計測方法と装置
JP6465383B2 (ja) * 2014-10-10 2019-02-06 株式会社Ihi 翼損傷判定用装置と翼損傷判定方法
JP6468511B2 (ja) * 2014-11-06 2019-02-13 三菱日立パワーシステムズ株式会社 振動検出装置、回転機械、振動検出方法及びプログラム
US9983087B2 (en) * 2014-12-10 2018-05-29 General Electric Company Methods and systems to determine rotor imbalance
JP2017173041A (ja) * 2016-03-22 2017-09-28 Ntn株式会社 状態監視装置およびそれを搭載する風力発電設備、ならびに電気的ノイズ除去方法
CN113504310B (zh) * 2021-05-18 2022-12-02 西安交通大学 基于单个叶端定时传感器的叶片固有频率识别方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929008A (en) * 1974-12-31 1975-12-30 Boris Nikolaevich Zlotin Apparatus for measuring amplitude of vibration of rotating machine parts
SU857728A1 (ru) * 1978-03-09 1981-08-23 Предприятие П/Я А-3438 Способ определени амплитуды динамических колебаний лопаток турбомашины
US4422333A (en) * 1982-04-29 1983-12-27 The Franklin Institute Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine
US4518917A (en) * 1982-08-31 1985-05-21 Westinghouse Electric Corp. Plural sensor apparatus for monitoring turbine blading with undesired component elimination
GB8318509D0 (en) * 1983-07-08 1983-08-10 Rolls Royce Vibration monitoring in rotary blade machines
GB2143037B (en) * 1983-07-08 1986-07-30 Rolls Royce Vibration monitoring in rotary bladed machines
US4573358A (en) * 1984-10-22 1986-03-04 Westinghouse Electric Corp. Turbine blade vibration detection apparatus

Also Published As

Publication number Publication date
KR960007827B1 (ko) 1996-06-12
FR2611901A1 (fr) 1988-09-09
CN1011341B (zh) 1991-01-23
JPS63231229A (ja) 1988-09-27
US4790189A (en) 1988-12-13
JPH0512654B2 (cg-RX-API-DMAC7.html) 1993-02-18
IT8819412A0 (it) 1988-02-16
ES2009558A6 (es) 1989-10-01
IT1215876B (it) 1990-02-22
FR2611901B1 (fr) 1990-10-26
KR880011572A (ko) 1988-10-29
CN88101105A (zh) 1988-09-14

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