DE3877912T2 - Verfahren zur ueberwachung von schallemissionen. - Google Patents
Verfahren zur ueberwachung von schallemissionen.Info
- Publication number
- DE3877912T2 DE3877912T2 DE8888310877T DE3877912T DE3877912T2 DE 3877912 T2 DE3877912 T2 DE 3877912T2 DE 8888310877 T DE8888310877 T DE 8888310877T DE 3877912 T DE3877912 T DE 3877912T DE 3877912 T2 DE3877912 T2 DE 3877912T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- sound
- digital
- intensity
- bands
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 title claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000012847 principal component analysis method Methods 0.000 claims 1
- 238000003909 pattern recognition Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000513 principal component analysis Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 239000013598 vector Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000491 multivariate analysis Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 101150018444 sub2 gene Proteins 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
-
- 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
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2693—Rotor or turbine parts
Landscapes
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Saccharide Compounds (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB878727178A GB8727178D0 (en) | 1987-11-20 | 1987-11-20 | Monitoring accoustic emissions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3877912D1 DE3877912D1 (de) | 1993-03-11 |
| DE3877912T2 true DE3877912T2 (de) | 1993-05-19 |
Family
ID=10627271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8888310877T Expired - Fee Related DE3877912T2 (de) | 1987-11-20 | 1988-11-17 | Verfahren zur ueberwachung von schallemissionen. |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0317322B1 (enExample) |
| JP (1) | JPH01156627A (enExample) |
| AT (1) | ATE85122T1 (enExample) |
| AU (1) | AU615006B2 (enExample) |
| BR (1) | BR8806070A (enExample) |
| DE (1) | DE3877912T2 (enExample) |
| ES (1) | ES2038311T3 (enExample) |
| GB (1) | GB8727178D0 (enExample) |
| GR (1) | GR3007373T3 (enExample) |
| ZA (1) | ZA888570B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006313B4 (de) * | 2000-02-12 | 2008-04-10 | Sennheiser Electronic Gmbh & Co. Kg | Anlagenüberwachungssystem |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975855A (en) * | 1989-03-14 | 1990-12-04 | Rem Technologies, Inc. | Shaft crack detection method |
| WO1991010904A1 (en) * | 1990-01-11 | 1991-07-25 | Pulp And Paper Research Institute Of Canada | Acoustic emission monitoring of wood chip refiners |
| GB9022546D0 (en) * | 1990-10-17 | 1990-11-28 | Rolls Royce & Ass | An apparatus and a method for locating a source of acoustic emission in a material |
| FI93996C (fi) * | 1992-11-13 | 1995-06-26 | Ensio Laine | Menetelmä ja laite jauhemaisten materiaalien kompaktoinnin luonnehtimiseksi ja tarkkailemiseksi |
| US5625150A (en) * | 1994-08-18 | 1997-04-29 | General Electric Company | Integrated acoustic leak detection sensor subsystem |
| JP3358167B2 (ja) * | 1995-05-12 | 2002-12-16 | 北海道大学長 | 被検体同定方法、装置およびシステム |
| GB0031564D0 (en) | 2000-12-22 | 2001-02-07 | Borealis Tech Oy | Viscosity measurement |
| DE10115267C2 (de) | 2001-03-28 | 2003-06-18 | Aloys Wobben | Verfahren zur Überwachung einer Windenergieanlage |
| JP5285147B2 (ja) | 2008-05-21 | 2013-09-11 | ジョン クレーン インコーポレーテッド | シール監視及び制御システム |
| GB201020381D0 (en) * | 2010-12-02 | 2011-01-12 | Crane John Uk Ltd | Component failure detection system |
| BR122023003434B1 (pt) | 2016-02-23 | 2024-01-30 | John Crane Uk Ltd | Sistema de vedação mecânica configurado para detectar autonomamente uma perda de lubrificação dentro de uma interface de vedação deslizante de uma vedação mecânica, sistema de vedação mecânica que tem um subsistema de diagnóstico preditivo customizável configurado para ser adaptado para se adequar às necessidades individuais do onsumidor, condições ambientais particulares e/ou aplicações específicas, e sistema de vedação mecânica configurado para detectar condições de operação e fornecer avaliações de integridade em tempo real a um usuário durante a operação |
| WO2017168226A1 (en) * | 2016-03-30 | 2017-10-05 | 3D Signals Ltd. | Acoustic monitoring of machinery |
| US9989501B2 (en) | 2016-05-10 | 2018-06-05 | The Boeing Company | Method and apparatus for acoustic emissions testing |
| US10564130B2 (en) * | 2016-05-10 | 2020-02-18 | The Boeing Company | Method and apparatus for acoustic emissions testing |
| US10839076B2 (en) | 2016-12-21 | 2020-11-17 | 3D Signals Ltd. | Detection of cyber machinery attacks |
| US10916259B2 (en) | 2019-01-06 | 2021-02-09 | 3D Signals Ltd. | Extracting overall equipment effectiveness by analysis of a vibro-acoustic signal |
| US11656203B2 (en) * | 2020-12-10 | 2023-05-23 | Batfer Investment S.A. | Apparatus and method for determining solids level in a sand separator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078434A (en) * | 1974-05-20 | 1978-03-14 | Bbc Brown Boveri & Company Limited | Method and apparatus for determining the parameters of natural vibration of a system |
| SE418228B (sv) * | 1975-03-14 | 1981-05-11 | British Steel Corp | Elektronisk overvakningsanordning for analysering av mekaniska vibrationsmonster hos maskiner och andra objekt exempelvis lager |
| JPS57136127A (en) * | 1980-12-19 | 1982-08-23 | Hitachi Ltd | Rubbing detecting device |
| AU7192687A (en) * | 1986-04-28 | 1987-10-29 | Vipac Pty. Ltd. | Vibrational analysis |
-
1987
- 1987-11-20 GB GB878727178A patent/GB8727178D0/en active Pending
-
1988
- 1988-11-16 ZA ZA888570A patent/ZA888570B/xx unknown
- 1988-11-16 AU AU25174/88A patent/AU615006B2/en not_active Ceased
- 1988-11-17 DE DE8888310877T patent/DE3877912T2/de not_active Expired - Fee Related
- 1988-11-17 ES ES198888310877T patent/ES2038311T3/es not_active Expired - Lifetime
- 1988-11-17 AT AT88310877T patent/ATE85122T1/de not_active IP Right Cessation
- 1988-11-17 EP EP88310877A patent/EP0317322B1/en not_active Expired - Lifetime
- 1988-11-18 BR BR888806070A patent/BR8806070A/pt not_active IP Right Cessation
- 1988-11-19 JP JP63291114A patent/JPH01156627A/ja active Pending
-
1993
- 1993-03-16 GR GR930400581T patent/GR3007373T3/el unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006313B4 (de) * | 2000-02-12 | 2008-04-10 | Sennheiser Electronic Gmbh & Co. Kg | Anlagenüberwachungssystem |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01156627A (ja) | 1989-06-20 |
| EP0317322A3 (en) | 1990-08-16 |
| BR8806070A (pt) | 1989-08-08 |
| DE3877912D1 (de) | 1993-03-11 |
| GB8727178D0 (en) | 1987-12-23 |
| AU2517488A (en) | 1989-05-25 |
| EP0317322A2 (en) | 1989-05-24 |
| ATE85122T1 (de) | 1993-02-15 |
| GR3007373T3 (enExample) | 1993-07-30 |
| ZA888570B (en) | 1990-07-25 |
| ES2038311T3 (es) | 1993-07-16 |
| AU615006B2 (en) | 1991-09-19 |
| EP0317322B1 (en) | 1993-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |