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Paper Abstract and Keywords
Presentation 2023-02-28 13:50
Study on internal defect detection by correlation processing with emission waveform for noncontact acoustic inspection method
Tsuneyoshi Sugimotio, Yutaka Nakagawa, Kazuko Sugimoto, Itsuki Uechi (Toin Univ. of Yokohama), Noriyuki Utagawa, Chitose Kuroda (SatoKogyo) US2022-78
Abstract (in Japanese) (See Japanese page) 
(in English) In the noncontact acoustic inspection of outer wall tiles using a sound source-mounted UAV, defect detection sometimes failed when the UAV itself was shaken significantly by natural winds. A resonance judgment process was devised to determine whether or not the signal is actually vibrated by the excitation sound wave, but this method has a problem that the computational load is high depending on the assumed range of movement of the UAV. Therefore, as a faster method, cross-correlation between the excitation waveform and the vibration waveform measured by the LDV was considered. The results of the study showed that the correlation process can be used to detect defects with high accuracy even when the sound source position changes.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic irradiation induced vibration / Noncontact acoustic inspection / Non-destructive testing / Correlation processing / Resonance judgement / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 391, US2022-78, pp. 13-18, Feb. 2023.
Paper # US2022-78 
Date of Issue 2023-02-21 (US) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2022-78

Conference Information
Committee US  
Conference Date 2023-02-28 - 2023-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kindai University (Higashi-osaka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Acoustic imaging, NDT, Ultrasound in medicine, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2023-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on internal defect detection by correlation processing with emission waveform for noncontact acoustic inspection method 
Sub Title (in English)  
Keyword(1) Acoustic irradiation induced vibration  
Keyword(2) Noncontact acoustic inspection  
Keyword(3) Non-destructive testing  
Keyword(4) Correlation processing  
Keyword(5) Resonance judgement  
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Keyword(7)  
Keyword(8)  
1st Author's Name Tsuneyoshi Sugimotio  
1st Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
2nd Author's Name Yutaka Nakagawa  
2nd Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
3rd Author's Name Kazuko Sugimoto  
3rd Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
4th Author's Name Itsuki Uechi  
4th Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
5th Author's Name Noriyuki Utagawa  
5th Author's Affiliation SatoKogyo Co., Ltd. (SatoKogyo)
6th Author's Name Chitose Kuroda  
6th Author's Affiliation SatoKogyo Co., Ltd. (SatoKogyo)
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Speaker Author-1 
Date Time 2023-02-28 13:50:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2022-78 
Volume (vol) vol.122 
Number (no) no.391 
Page pp.13-18 
#Pages 6 
Date of Issue 2023-02-21 (US) 

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