CA1189945A - Device for the activation of an apparatus for measuring acoustic emission by detection of background noise - Google Patents

Device for the activation of an apparatus for measuring acoustic emission by detection of background noise

Info

Publication number
CA1189945A
CA1189945A CA000381095A CA381095A CA1189945A CA 1189945 A CA1189945 A CA 1189945A CA 000381095 A CA000381095 A CA 000381095A CA 381095 A CA381095 A CA 381095A CA 1189945 A CA1189945 A CA 1189945A
Authority
CA
Canada
Prior art keywords
background noise
acoustic emission
detection
detection circuit
activation
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
CA000381095A
Other languages
English (en)
French (fr)
Inventor
Jean Marini
Bernard Audenard
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.)
CGR
Original Assignee
CGR
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 CGR filed Critical CGR
Application granted granted Critical
Publication of CA1189945A publication Critical patent/CA1189945A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • 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
    • G01D7/00—Indicating measured values
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA000381095A 1980-07-08 1981-07-03 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise Expired CA1189945A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8015157 1980-07-08
FR8015157A FR2486654A1 (fr) 1980-07-08 1980-07-08 Dispositif d'activation d'un appareil de mesure d'emission acoustique par detection du bruit de fond

Publications (1)

Publication Number Publication Date
CA1189945A true CA1189945A (en) 1985-07-02

Family

ID=9243974

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381095A Expired CA1189945A (en) 1980-07-08 1981-07-03 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise

Country Status (8)

Country Link
US (1) US4423634A (enExample)
EP (1) EP0043746B1 (enExample)
KR (1) KR850000356B1 (enExample)
CA (1) CA1189945A (enExample)
DE (1) DE3167427D1 (enExample)
ES (1) ES503720A0 (enExample)
FR (1) FR2486654A1 (enExample)
YU (1) YU167281A (enExample)

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JPH065193B2 (ja) * 1987-04-28 1994-01-19 光洋精工株式会社 軸受残存寿命予知装置
US4846001A (en) * 1987-09-11 1989-07-11 Sps Technologies, Inc. Ultrasonic load indicating member
US4899591A (en) * 1987-09-11 1990-02-13 Sps Technologies, Inc. Ultrasonic load indicating member, apparatus and method
US5116515A (en) * 1991-04-24 1992-05-26 Soil Guardian Inc. Process and apparatus for removing volatile organic compounds from contaminated vadose soil areas
US5278774A (en) * 1991-10-01 1994-01-11 Rockwell International Corporation Alarm for transient underwater events
DE19518409C1 (de) * 1995-05-19 1996-10-02 Bosch Gmbh Robert Verfahren zur akustischen Fehlererkennung
US5804726A (en) * 1995-10-16 1998-09-08 Mtd Products Inc. Acoustic signature analysis for a noisy enviroment
US8290721B2 (en) * 1996-03-28 2012-10-16 Rosemount Inc. Flow measurement diagnostics
US7630861B2 (en) * 1996-03-28 2009-12-08 Rosemount Inc. Dedicated process diagnostic device
US7623932B2 (en) * 1996-03-28 2009-11-24 Fisher-Rosemount Systems, Inc. Rule set for root cause diagnostics
DE19730716A1 (de) * 1996-10-21 1998-04-23 Fraunhofer Ges Forschung Triggerung eines Meßverfahrens zur Qualitätsbeurteilung von Audio- und/oder Sprachsignalen
US6507790B1 (en) 1998-07-15 2003-01-14 Horton, Inc. Acoustic monitor
DE19948196A1 (de) 1999-10-06 2001-05-17 Aloys Wobben Verfahren zum Betrieb eines Windparks
DE19948194C2 (de) * 1999-10-06 2001-11-08 Aloys Wobben Verfahren zur Überwachung von Windenergieanlagen
DE10115267C2 (de) * 2001-03-28 2003-06-18 Aloys Wobben Verfahren zur Überwachung einer Windenergieanlage
US7627441B2 (en) 2003-09-30 2009-12-01 Rosemount Inc. Process device with vibration based diagnostics
US7523667B2 (en) * 2003-12-23 2009-04-28 Rosemount Inc. Diagnostics of impulse piping in an industrial process
CN100535816C (zh) * 2005-02-28 2009-09-02 罗斯蒙德公司 用于过程诊断的过程连接装置和方法
US8112565B2 (en) 2005-06-08 2012-02-07 Fisher-Rosemount Systems, Inc. Multi-protocol field device interface with automatic bus detection
US20070068225A1 (en) * 2005-09-29 2007-03-29 Brown Gregory C Leak detector for process valve
US7913566B2 (en) * 2006-05-23 2011-03-29 Rosemount Inc. Industrial process device utilizing magnetic induction
US7953501B2 (en) * 2006-09-25 2011-05-31 Fisher-Rosemount Systems, Inc. Industrial process control loop monitor
US8788070B2 (en) 2006-09-26 2014-07-22 Rosemount Inc. Automatic field device service adviser
CN101517377B (zh) 2006-09-29 2012-05-09 罗斯蒙德公司 带有校验的磁流量计
US8898036B2 (en) * 2007-08-06 2014-11-25 Rosemount Inc. Process variable transmitter with acceleration sensor
US7590511B2 (en) * 2007-09-25 2009-09-15 Rosemount Inc. Field device for digital process control loop diagnostics
US8250924B2 (en) 2008-04-22 2012-08-28 Rosemount Inc. Industrial process device utilizing piezoelectric transducer
US7977924B2 (en) * 2008-11-03 2011-07-12 Rosemount Inc. Industrial process power scavenging device and method of deriving process device power from an industrial process
GB2488092B (en) 2010-11-03 2014-10-29 Kittiwake Developments Ltd A sensor based means of monitoring the mechanical condition of rotating machinery that operates intermittently
US9207670B2 (en) 2011-03-21 2015-12-08 Rosemount Inc. Degrading sensor detection implemented within a transmitter
US9052240B2 (en) 2012-06-29 2015-06-09 Rosemount Inc. Industrial process temperature transmitter with sensor stress diagnostics
US9602122B2 (en) 2012-09-28 2017-03-21 Rosemount Inc. Process variable measurement noise diagnostic
WO2018081945A1 (zh) 2016-11-02 2018-05-11 深圳市汇顶科技股份有限公司 传感器本底噪声的检测方法及其装置

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US3208268A (en) 1961-10-05 1965-09-28 Skf Ind Inc Detection of almost periodic occurrences
US3400578A (en) 1965-12-06 1968-09-10 Curtiss Wright Corp Acoustical analyser for indicating faults in operative parts of highspeed engines
US3435406A (en) 1967-04-17 1969-03-25 Gen Signal Corp Sonic vehicle detector using noise blanking
US3699806A (en) 1967-07-14 1972-10-24 Bjorn Weichbrodt Early detection of damage to machine elements in rolling engagement
US3713127A (en) 1970-10-16 1973-01-23 Trodyne Corp Acoustic emission crack monitor
US3841144A (en) * 1972-10-12 1974-10-15 Mobil Oil Corp Sand detection probe
US3911734A (en) 1974-01-04 1975-10-14 Continental Oil Co Detecting incipient fatigue damage in metal
SU659947A1 (ru) 1975-01-16 1979-04-30 Хабаровский Филиал Всесоюзного Научно-Исследовательского Института Физикотехнических И Радиотехнических Измерений Устройство дл регистрации процессов трещинообразовани методом акустической эмиссии
SU532806A1 (ru) 1975-06-03 1976-10-25 Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов Способ ультразвукового контрол механических напр жений в изели х
SU534687A1 (ru) 1975-07-07 1976-11-05 Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов Устройство дл контрол изделий методом акустической эмиссии
JPS5850397B2 (ja) * 1976-04-23 1983-11-10 三菱電機株式会社 異常信号等を判定する信号判定装置
SU603893A1 (ru) 1976-05-19 1978-04-25 Предприятие П/Я Р-6542 Способ и устройство дл измерени характеристик импульсных сигналов акустической эмиссии
JPS5339182A (en) 1976-09-22 1978-04-10 Denriyoku Chuo Kenkyusho Method of assuming earth pressure by discharging sound
US4111035A (en) * 1977-11-07 1978-09-05 General Motors Corporation Engine knock signal generating apparatus with noise channel inhibiting feedback
US4198866A (en) 1978-09-07 1980-04-22 Vsesojuzny Nauchno-Issledovatelsky Institut Po Razrabotke Nerazrushajuschikh Metodov I Sredstv Knotrolya Kachestva Materialov"VNIINK" Method and device for ultrasonic inspection of materials

Also Published As

Publication number Publication date
KR850000356B1 (ko) 1985-03-22
FR2486654B1 (enExample) 1983-08-05
YU167281A (en) 1983-06-30
US4423634A (en) 1984-01-03
EP0043746B1 (fr) 1984-11-28
EP0043746A1 (fr) 1982-01-13
DE3167427D1 (en) 1985-01-10
ES8205464A1 (es) 1982-06-01
KR830006685A (ko) 1983-10-06
FR2486654A1 (fr) 1982-01-15
ES503720A0 (es) 1982-06-01

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Legal Events

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