DE69621739T2 - Verfahren, vorrichtung und system zur bestimmung der änderungen eines prüfkörpers - Google Patents

Verfahren, vorrichtung und system zur bestimmung der änderungen eines prüfkörpers

Info

Publication number
DE69621739T2
DE69621739T2 DE69621739T DE69621739T DE69621739T2 DE 69621739 T2 DE69621739 T2 DE 69621739T2 DE 69621739 T DE69621739 T DE 69621739T DE 69621739 T DE69621739 T DE 69621739T DE 69621739 T2 DE69621739 T2 DE 69621739T2
Authority
DE
Germany
Prior art keywords
determining
changes
test example
test
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
DE69621739T
Other languages
English (en)
Other versions
DE69621739D1 (de
Inventor
Ryoji Ohba
Yoshihito Tamanoi
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.)
Japan Represented By President
Hokkaido University NUC
Yamatake Industrial Systems Co Ltd
Original Assignee
Japan Represented By President
Hokkaido University NUC
Yamatake Industrial Systems Co Ltd
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 Japan Represented By President, Hokkaido University NUC, Yamatake Industrial Systems Co Ltd filed Critical Japan Represented By President
Publication of DE69621739D1 publication Critical patent/DE69621739D1/de
Application granted granted Critical
Publication of DE69621739T2 publication Critical patent/DE69621739T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
DE69621739T 1995-05-12 1996-02-08 Verfahren, vorrichtung und system zur bestimmung der änderungen eines prüfkörpers Expired - Lifetime DE69621739T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11436695A JP3358167B2 (ja) 1995-05-12 1995-05-12 被検体同定方法、装置およびシステム
PCT/JP1996/000266 WO1996035926A1 (fr) 1995-05-12 1996-02-08 Procede, dispositif et systeme de determination de changements dans un specimen

Publications (2)

Publication Number Publication Date
DE69621739D1 DE69621739D1 (de) 2002-07-18
DE69621739T2 true DE69621739T2 (de) 2002-12-19

Family

ID=14635923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69621739T Expired - Lifetime DE69621739T2 (de) 1995-05-12 1996-02-08 Verfahren, vorrichtung und system zur bestimmung der änderungen eines prüfkörpers

Country Status (7)

Country Link
US (1) US5798459A (de)
EP (1) EP0770854B1 (de)
JP (1) JP3358167B2 (de)
KR (1) KR100426227B1 (de)
DE (1) DE69621739T2 (de)
DK (1) DK0770854T3 (de)
WO (1) WO1996035926A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022122295A1 (de) 2022-09-02 2024-03-07 Gestra Ag Verfahren und Sensoreinrichtung zur akustischen Überwachung einer Messstelle an einer fluiddurchströmten Armatur und betreffende Sensoreinrichtung

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6389881B1 (en) 1999-05-27 2002-05-21 Acoustic Systems, Inc. Method and apparatus for pattern match filtering for real time acoustic pipeline leak detection and location
JP2002312870A (ja) * 2001-04-13 2002-10-25 Tlv Co Ltd 携帯型ガス検出器
KR100838877B1 (ko) 2001-07-09 2008-06-16 시게이트 테크놀로지 엘엘씨 저밀도 가스를 함유한 디스크 드라이브용 초기 누출 검출시스템
US6819517B2 (en) 2001-07-31 2004-11-16 Seagate Technology Llc Disc drive servo track writer gas leak detector and method
JP2003106893A (ja) * 2001-09-28 2003-04-09 Yamatake Sangyo Systems Co Ltd 異常監視装置および異常監視プログラム
GB2397167B (en) 2001-10-30 2005-04-20 Seagate Technology Llc Disc drive servo track writer utilizing low-density gas
US6898043B2 (en) * 2002-05-20 2005-05-24 Seagate Technology Llc Dual stage enclosure for servo track writer utilizing low-density gas
JP2004020484A (ja) * 2002-06-19 2004-01-22 Yamatake Corp 異常監視装置および異常監視プログラム
US8105239B2 (en) 2006-02-06 2012-01-31 Maui Imaging, Inc. Method and apparatus to visualize the coronary arteries using ultrasound
WO2008051639A2 (en) * 2006-10-25 2008-05-02 Maui Imaging, Inc. Method and apparatus to produce ultrasonic images using multiple apertures
US9282945B2 (en) 2009-04-14 2016-03-15 Maui Imaging, Inc. Calibration of ultrasound probes
US9788813B2 (en) 2010-10-13 2017-10-17 Maui Imaging, Inc. Multiple aperture probe internal apparatus and cable assemblies
JP5193714B2 (ja) * 2008-07-18 2013-05-08 Ｊｘ日鉱日石エネルギー株式会社 配管亀裂診断装置及び配管の亀裂診断方法
KR101659910B1 (ko) 2008-08-08 2016-09-27 마우이 이미징, 인코포레이티드 다중 구경 의료용 초음파를 통한 이미징 및 애드온 시스템의 동기화
EP2419022B1 (de) 2009-04-14 2019-11-06 Maui Imaging, Inc. Ausrichtungsvorrichtung für ultraschall-array mit mehreren aperturen
KR102322776B1 (ko) 2010-02-18 2021-11-04 마우이 이미징, 인코포레이티드 초음파 이미지를 구성하는 방법 및 이를 위한 다중-개구 초음파 이미징 시스템
JP6092109B2 (ja) 2010-10-13 2017-03-08 マウイ イマギング，インコーポレーテッド 凹面超音波トランスデューサ及び３ｄアレイ
KR20140098843A (ko) 2011-12-01 2014-08-08 마우이 이미징, 인코포레이티드 핑-기반 및 다수 개구부 도플러 초음파를 이용한 모션 검출
WO2013101988A1 (en) 2011-12-29 2013-07-04 Maui Imaging, Inc. M-mode ultrasound imaging of arbitrary paths
KR102134763B1 (ko) 2012-02-21 2020-07-16 마우이 이미징, 인코포레이티드 다중의 어퍼처 초음파를 사용한 물질 강성의 결정
WO2013148673A1 (en) 2012-03-26 2013-10-03 Maui Imaging, Inc. Systems and methods for improving ultrasound image quality by applying weighting factors
IN2015DN00556A (de) 2012-08-10 2015-06-26 Maui Imaging Inc
WO2014031642A1 (en) 2012-08-21 2014-02-27 Maui Imaging, Inc. Ultrasound imaging system memory architecture
US9510806B2 (en) 2013-03-13 2016-12-06 Maui Imaging, Inc. Alignment of ultrasound transducer arrays and multiple aperture probe assembly
US9883848B2 (en) 2013-09-13 2018-02-06 Maui Imaging, Inc. Ultrasound imaging using apparent point-source transmit transducer
WO2016028787A1 (en) 2014-08-18 2016-02-25 Maui Imaging, Inc. Network-based ultrasound imaging system
JP6463205B2 (ja) * 2015-04-02 2019-01-30 株式会社テイエルブイ 蒸気システムの故障判定装置および故障判定方法
WO2017132517A1 (en) 2016-01-27 2017-08-03 Maui Imaging, Inc. Ultrasound imaging with sparse array probes
JP6922886B2 (ja) * 2016-02-26 2021-08-18 日本電気株式会社 配管診断装置、配管診断方法、判別問題最適化装置、判別問題最適化方法、基準分布生成装置、基準分布生成方法、及びプログラム
JP6694320B2 (ja) * 2016-04-28 2020-05-13 株式会社工技研究所 地下タンクの漏洩検査装置及び検査方法
US10620170B2 (en) 2017-01-30 2020-04-14 Latency, LLC Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure
JP7035442B2 (ja) * 2017-10-18 2022-03-15 中国電力株式会社 ホール検知装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142424A (ja) * 1983-02-03 1984-08-15 Mitsubishi Electric Corp 異常検出装置
JPS60123730A (ja) * 1983-12-07 1985-07-02 Mitsubishi Electric Corp 異常検出装置
JPS60146834A (ja) * 1983-12-29 1985-08-02 Kitasato Inst:The 歯周炎抑制用抗体の製法及び同抗体を含有する歯周炎抑制用組成物
JPS60146834U (ja) * 1984-03-09 1985-09-30 東京瓦斯株式会社 ガスの漏洩位置検知器
GB8727178D0 (en) * 1987-11-20 1987-12-23 British Petroleum Co Plc Monitoring accoustic emissions
US4882668A (en) * 1987-12-10 1989-11-21 General Dynamics Corp., Pomona Division Adaptive matched filter
US4980844A (en) * 1988-05-27 1990-12-25 Victor Demjanenko Method and apparatus for diagnosing the state of a machine
JP3020349B2 (ja) * 1992-05-29 2000-03-15 北海道大学長 異常検出方法及び装置
JP2919685B2 (ja) * 1992-11-02 1999-07-12 シャープ株式会社 信号識別回路
US5477730A (en) * 1993-09-07 1995-12-26 Carter; Duncan L. Rolling element bearing condition testing method and apparatus
US5623402A (en) * 1994-02-10 1997-04-22 Schenck Pegasus Corporation Multi-channel inverse control using adaptive finite impulse response filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022122295A1 (de) 2022-09-02 2024-03-07 Gestra Ag Verfahren und Sensoreinrichtung zur akustischen Überwachung einer Messstelle an einer fluiddurchströmten Armatur und betreffende Sensoreinrichtung

Also Published As

Publication number Publication date
US5798459A (en) 1998-08-25
DK0770854T3 (da) 2002-07-15
DE69621739D1 (de) 2002-07-18
JP3358167B2 (ja) 2002-12-16
KR100426227B1 (ko) 2004-07-01
EP0770854A1 (de) 1997-05-02
JPH08304124A (ja) 1996-11-22
EP0770854A4 (de) 1999-12-01
EP0770854B1 (de) 2002-06-12
WO1996035926A1 (fr) 1996-11-14

Similar Documents

Publication Publication Date Title
DE69621739T2 (de) Verfahren, vorrichtung und system zur bestimmung der änderungen eines prüfkörpers
DE69629098D1 (de) Verfahren und Vorrichtung zur Belastungsprüfung
DE69623248T2 (de) Verfahren und Vorrichtung zur Entfernungsmessung
DE69504815T2 (de) Verfahren und vorrichtung zur messung von kenngrössen eines oszillierenden systems
DE69627668D1 (de) Verfahren und vorrichtung für den chlamydiennachweis
DE69624543T2 (de) System und Verfahren zur Erkennung von Netzwerkfehlern
DE69635717D1 (de) Verfahren zum Bestimmen eines Analyten und Vorrichtung dafür
DE69700253T2 (de) Verfahren und Vorrichtung zur Bestimmung der Konzentration eines Bestandteils
DE69532091D1 (de) Verfahren und Vorrichtung zur Durchführung von Messungen
DE68907711T2 (de) Vorrichtung und Verfahren zur Bestimmung der Spannung eines Ligamenttransplantats.
DE69634187D1 (de) Verfahren und Vorrichtung zur Erkennung von Fehlzündungen
DE58906917D1 (de) Vorrichtung und Verfahren zur Leckprüfung.
DE69412457D1 (de) Verfahren und vorrichtung zur atem-erkennung
DE59507839D1 (de) Verfahren und Vorrichtung zur Positionsbestimmung eines Fahrzeugs
DE59007108D1 (de) Verfahren und Vorrichtung zur Lagebestimmung eines Objektes.
DE69017029D1 (de) Verfahren und vorrichtung zur nichtzerstörenden prüfung.
DE69631710D1 (de) Verfahren und Vorrichtung zur Messung der Oktanzahl
DE69837575D1 (de) Vorrichtung und Verfahren zur Inkubation von Teststreifen
DE69527703T2 (de) Verfahren und Vorrichtung zur Signalauswahl und Fehlererkennung
DE69624693T2 (de) Verfahren und vorrichtung zur ausführung eines anwendungsprogramms
DE59609675D1 (de) Verfahren und Vorrichtung zur Abstandsmessung
DE59609974D1 (de) Verfahren und vorrichtung zur überwachung der funktionsweise eines katalysators
DE69731445D1 (de) Verfahren und Vorrichtung zur Kontrolle eines Luft-Kraftstoff Verhältnissensors
DE69519896T2 (de) Verfahren und Vorrichtung zur Kodierung eines Anregungssignals
DE69637453D1 (de) Verfahren und System zur Taupunktmessung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition