HRP20171061T1 - Ultrazvučno otkrivanje promjene na površini stjenke - Google Patents

Ultrazvučno otkrivanje promjene na površini stjenke Download PDF

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HRP20171061T1
HRP20171061T1 HRP20171061TT HRP20171061T HRP20171061T1 HR P20171061 T1 HRP20171061 T1 HR P20171061T1 HR P20171061T T HRP20171061T T HR P20171061TT HR P20171061 T HRP20171061 T HR P20171061T HR P20171061 T1 HRP20171061 T1 HR P20171061T1
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pulse
wall
ultrasonic vibration
ultrasonic vibrations
output
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HRP20171061TT
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Frederic Bert CEGLA
Attila GAJDACSI
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Permasense Ltd, Century House
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Publication of HRP20171061T1 publication Critical patent/HRP20171061T1/hr

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/06Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring contours or curvatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/08Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring roughness or irregularity of surfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/07Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/50Processing the detected response signal, e.g. electronic circuits specially adapted therefor using auto-correlation techniques or cross-correlation techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02854Length, thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)

Claims (15)

1. Postupak za otkrivanje promjene u površini (32) stjenke, naznačen time da navedeni postupak obuhvaća korake: odašiljanje (42) impulsa ulaznih ultrazvučnih vibracija u proksimalnu površinu navedene stjenke, navedeni impuls ulaznih ultrazvučnih vibracija širi se kroz navedenu stjenku i reflektira od distalne površine navedene stjenke tako da tvori trenutni impuls izlaza ultrazvučnih vibracija na navedenoj proksimalnoj površini; prijem (44) ultrazvučnih vibracija na navedenoj proksimalnoj površini; usporedbu (46) navedene primljene ultrazvučne vibracije s prethodno detektiranim impulsom izlaza ultrazvučnih vibracija reflektiranim od navedene distalne površine navedene stjenke i primljenim na navedenoj proksimalnoj površini radi otkrivanja promjena u navedenoj površini navedene stjenke.
2. Postupak prema zahtjevu 1, naznačen time da se navedeni impuls ulaznih ultrazvučnih vibracija širi od ulazne lokacije navedene proksimalne površine u smjeru (28) koji je uglavnom paralelan na navedenu proksimalnu površinu prije nego što je primljen na lokaciji izlaza navedene proksimalne površine kao referentni impuls izlaza ultrazvučnih vibracija prije primitka navedenog trenutnog impulsa izlaza ultrazvučnih vibracija na navedenoj lokaciji izlaza.
3. Postupak prema bilo kojem od zahtjeva 1 i 2, naznačen time da navedeni korak usporedbe: (a) (i) izračunava vrijednosti unakrsnih korelacija između navedenog prethodno detektiranog impulsa izlaza ultrazvučnih vibracija i navedene primljene ultrazvučne vibracije; i (ii) identificira maksimum u navedenim vrijednostima unakrsnih korelacija kao odgovarajući vremenu dolaska navedenog trenutnog impulsa izlaza ultrazvučnih vibracija; ili (b) (i) izračunava vrijednosti unakrsne kovarijance između navedenog prethodno detektiranog impulsa izlaza ultrazvučnih vibracija i navedene primljene ultrazvučne vibracije; i (ii) identificira maksimum u navedenim vrijednostima unakrsne kovarijance kao odgovarajući vremenu dolaska navedenog trenutnog impulsa izlaza ultrazvučnih vibracija ili (c) (i) izračunava vrijednosti sličnosti između navedenog prethodno detektiranog impulsa izlaza ultrazvučnih vibracija i navedene primljene ultrazvučne vibracije; i (ii) identificira maksimum u navedenim vrijednostima sličnosti kao odgovarajući vremenu dolaska navedenog trenutnog impulsa izlaza ultrazvučnih vibracija.
4. Postupak prema bilo kojem od zahtjeva 1 i 2, naznačen time da navedeni korak usporedbe identificira promjene u navedenoj površini koje ne mijenjaju vrijeme dolaska navedenog trenutnog impulsa izlaza ultrazvučnih vibracija.
5. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da navedeni prethodno detektirani impuls izlaza ultrazvučnih vibracija i navedene primljene ultrazvučne vibracije se transformiraju na jednu od frekvencijskih domena i wavelet domenu prije navedenog koraka uspoređivanja.
6. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da navedena promjena u navedenoj površini odgovara jednom od: (i) promjeni debljine navedene stjenke; i (ii) promjeni u profilu površine navedene stjenke.
7. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da sadrži pohranjivanje prikaza prethodnog impulsa izlaza ultrazvučnih vibracija koji služi kao navedeni prethodno detektirani impuls izlaza ultrazvučnih vibracija.
8. Postupak prema zahtjevu 7, naznačen time da je navedeni prikaz jedan od: niza vrijednosti uzoraka dobivenih iz navedenog prethodno detektiranog impulsa izlaza ultrazvučnih vibracija; i modeliranog impulsa izlaza ultrazvučnih vibracija dobivenog iz navedenog prethodno detektiranog impulsa izlaza ultrazvučnih vibracija.
9. Postupak prema bilo kojem od zahtjeva 7 i 8, naznačen time da navedeni prethodni impuls izlaza ultrazvučnih vibracija neposredno prethodi impulsu izlaza ultrazvučnih vibracija.
10. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da se navedene primljene ultrazvučne vibracije i navedeni prethodno detektirani impuls izlaza ultrazvučnih vibracija uzorkuju prije navedenog uspoređivanja.
11. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da se model impulsa postavlja na navedene primljene ultrazvučne vibracije i zatim se uspoređuje s navedenim prethodno detektiranim impulsom izlaza ultrazvučnih vibracija.
12. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time da navedena stjenka ima barem jedan od: (i) barem jednu nejednoliku površinu; (ii) oblikuje cijev; i (iii) podvrgnuta je koroziji koja rezultira navedenom nejednolikom površinom.
13. Postupak obrade signala za detektiranje promjene u površini stjenke korištenjem impulsa ulaznih ultrazvučnih vibracija koje se odašilju u proksimalnu površinu navedene stjenke, navedeni impuls ulaznih ultrazvučnih vibracija širi se kroz navedenu stjenku i reflektira od distalne površine navedene stjenke tako da tvori trenutni impuls izlaza ultrazvučnih vibracija na navedenoj proksimalnoj površini, te navedeni postupak sadrži korake: usporedbe navedenog trenutnog impulsa ultrazvučnih vibracija s prethodno detektiranim impulsom izlaza ultrazvučnih vibracija reflektiranim od navedene distalne površine navedene stjenke i primljenih na navedenoj proksimalnoj površini radi otkrivanja promjena u navedenoj površini navedene stjenke.
14. Sustav za detekciju promjene u površini stjenke, te navedeni sustav obuhvaća: odašiljač konfiguriran za prijenos impulsa ulaznih ultrazvučnih vibracija u proksimalnu površinu navedene stjenke, navedeni impuls ulaznih ultrazvučnih vibracija širi se kroz navedenu stjenku i reflektira od distalne površine stjenke tako da tvori trenutni impuls izlaza ultrazvučnih vibracija na navedenoj proksimalnoj površini; prijemnik konfiguriran za prijem ultrazvučnih vibracija na navedenoj proksimalnoj površini; sklop za obradu konfiguriran za usporedbu navedene primljene ultrazvučne vibracije s prethodno detektiranim impulsom izlaza ultrazvučnih vibracija koji je reflektiran od navedene distalne površine navedene stjenke i primljen na navedenoj proksimalnoj površini radi otkrivanja promjena u navedenoj površini navedene stjenke
15. Uređaj za obradu signala za otkrivanje promjene u površini stjenke korištenjem impulsa ulaznih ultrazvučnih vibracija koje se odašilju u proksimalnu površinu navedene stjenke, navedeni impuls ulaznih ultrazvučnih vibracija širi se kroz navedenu stjenku i reflektira od distalne površine navedene stjenke tako da tvori trenutni impuls izlaza ultrazvučnih vibracija na navedenoj proksimalnoj površini, te navedeni uređaj za obradu signala sadrži: sklop za obradu konfiguriran za usporedbu navedenog trenutnog impulsa ultrazvučnih vibracija s prethodno detektiranim impulsom izlaza ultrazvučnih vibracija reflektiranim od navedene distalne površine navedene stjenke i primljenim na navedenoj proksimalnoj površini radi otkrivanja promjena u navedenoj površini navedene stjenke.
HRP20171061TT 2013-04-08 2017-07-11 Ultrazvučno otkrivanje promjene na površini stjenke HRP20171061T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1306304.5A GB2512835A (en) 2013-04-08 2013-04-08 Ultrasonic detection of a change in a surface of a wall
PCT/GB2014/050957 WO2014167285A1 (en) 2013-04-08 2014-03-26 Ultrasonic detection of a change in a surface of a wall
EP14715074.2A EP2984447B1 (en) 2013-04-08 2014-03-26 Ultrasonic detection of a change in a surface of a wall

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US (2) US10247704B2 (hr)
EP (1) EP2984447B1 (hr)
JP (1) JP6431042B2 (hr)
CN (1) CN105102924B (hr)
AU (1) AU2014252863B2 (hr)
CA (1) CA2904772C (hr)
DK (1) DK2984447T3 (hr)
EA (1) EA031140B1 (hr)
ES (1) ES2626975T3 (hr)
GB (1) GB2512835A (hr)
HR (1) HRP20171061T1 (hr)
HU (1) HUE033731T2 (hr)
LT (1) LT2984447T (hr)
NO (1) NO343431B1 (hr)
NZ (1) NZ712010A (hr)
PL (1) PL2984447T3 (hr)
PT (1) PT2984447T (hr)
RS (1) RS56200B1 (hr)
WO (1) WO2014167285A1 (hr)

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US20190137453A1 (en) 2019-05-09
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US20160033453A1 (en) 2016-02-04
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CN105102924A (zh) 2015-11-25
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