ES8205464A1 - Dispositivo de activacion de un aparato medidor de emision acustica - Google Patents

Dispositivo de activacion de un aparato medidor de emision acustica

Info

Publication number
ES8205464A1
ES8205464A1 ES503720A ES503720A ES8205464A1 ES 8205464 A1 ES8205464 A1 ES 8205464A1 ES 503720 A ES503720 A ES 503720A ES 503720 A ES503720 A ES 503720A ES 8205464 A1 ES8205464 A1 ES 8205464A1
Authority
ES
Spain
Prior art keywords
background noise
reference level
acoustic emission
detection
rate
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
ES503720A
Other languages
English (en)
Spanish (es)
Other versions
ES503720A0 (es
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
Publication of ES503720A0 publication Critical patent/ES503720A0/es
Publication of ES8205464A1 publication Critical patent/ES8205464A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10Amplitude; Power
    • G01H3/12Amplitude; Power by electric means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D7/00Indicating measured values
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00Measuring 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)
ES503720A 1980-07-08 1981-07-07 Dispositivo de activacion de un aparato medidor de emision acustica Expired ES8205464A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
ES503720A0 ES503720A0 (es) 1982-06-01
ES8205464A1 true ES8205464A1 (es) 1982-06-01

Family

ID=9243974

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503720A Expired ES8205464A1 (es) 1980-07-08 1981-07-07 Dispositivo de activacion de un aparato medidor de emision acustica

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) ES8205464A1 (enExample)
FR (1) FR2486654A1 (enExample)
YU (1) YU167281A (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4899591A (en) * 1987-09-11 1990-02-13 Sps Technologies, Inc. Ultrasonic load indicating member, apparatus and method
US4846001A (en) * 1987-09-11 1989-07-11 Sps Technologies, Inc. Ultrasonic load indicating member
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
US7623932B2 (en) * 1996-03-28 2009-11-24 Fisher-Rosemount Systems, Inc. Rule set for root cause diagnostics
US7630861B2 (en) * 1996-03-28 2009-12-08 Rosemount Inc. Dedicated process diagnostic device
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)

* Cited by examiner, † Cited by third party
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
FR2486654A1 (fr) 1982-01-15
FR2486654B1 (enExample) 1983-08-05
KR830006685A (ko) 1983-10-06
EP0043746B1 (fr) 1984-11-28
EP0043746A1 (fr) 1982-01-13
ES503720A0 (es) 1982-06-01
YU167281A (en) 1983-06-30
CA1189945A (en) 1985-07-02
KR850000356B1 (ko) 1985-03-22
DE3167427D1 (en) 1985-01-10
US4423634A (en) 1984-01-03

Similar Documents

Publication Publication Date Title
ES8205464A1 (es) Dispositivo de activacion de un aparato medidor de emision acustica
CA2166239A1 (en) Speech Presence Detector and Method Therefor
GB2399261A (en) Apparatus and method for a digital,wideband,intercept and analysis processor for frequency hopping signals
CA2144546A1 (en) Method and apparatus for passively detecting the depth and location of a spatial or temporal anomaly
ATE370555T1 (de) System zur signalerfassung für einen spreizspektrumempfänger
ES8404943A1 (es) Metodo de detectar la presencia o ausencia de un objeto en un medio de recogida por vacio, particularmente para tratar componentes electricos y-o electronicos.
EP0336429A3 (en) Analytical method for particulate substances, relevant analytical equipment and its application system
US4658383A (en) Automatic gain control of digitized full trace acoustic signal in a borehole
ATE25886T1 (de) Detektionsgeraet fuer digitale daten.
SE9303808L (sv) Förfarande och anordning för riktningsbestämning
SE7903750L (sv) Forfarande och anordning for avkenning av frekvensendringar
SE8009085L (sv) Datadetektionskrets for ett tasi-system
WO2004014010A3 (en) A method and device for detecting the presence of a carrier signal transmitted in the reverse rf path
ES2005421A6 (es) Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion.
NO934781L (no) Base-enhet i et kommunikasjonssystem, samt fremgangsmaate for bruk av denne
TW370622B (en) Test detection apparatus and method
JPS5767853A (en) Method for standardization of ae signal and discrimination of ae signal source
JPS6412288A (en) Detecting method of stratum surface and underground object and its apparatus
JPS56146381A (en) Television voice receiving device
ES8501909A1 (es) Detector diferencial de presion acustica
JPS5735749A (en) Detecting apparatus of abnormality of moisture meter
JPS5383526A (en) Receiving device for multiple information signal
JPS5720623A (en) Acoustic diagnosis device for rotating machine
JPS57106207A (en) Receiver for reduced carrier ssb
JPS5440016A (en) Fail soft receiving high frequency amplifier