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An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method

To improve the reliability of a Lamb wave visualization technique and to obtain more information about structural damages (e.g., size and shape), we put forward a new signal processing algorithm to identify damage more clearly in an inspection region. Since the kinetic energy of material particles i...

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Detalles Bibliográficos
Autores principales: Liu, Yaolu, Goda, Riu, Samata, Kiyoshi, Kanda, Atsushi, Hu, Ning, Zhang, Jianyu, Ning, Huiming, Wu, Liangke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4279492/
https://www.ncbi.nlm.nih.gov/pubmed/25356647
http://dx.doi.org/10.3390/s141120439
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author Liu, Yaolu
Goda, Riu
Samata, Kiyoshi
Kanda, Atsushi
Hu, Ning
Zhang, Jianyu
Ning, Huiming
Wu, Liangke
author_facet Liu, Yaolu
Goda, Riu
Samata, Kiyoshi
Kanda, Atsushi
Hu, Ning
Zhang, Jianyu
Ning, Huiming
Wu, Liangke
author_sort Liu, Yaolu
collection PubMed
description To improve the reliability of a Lamb wave visualization technique and to obtain more information about structural damages (e.g., size and shape), we put forward a new signal processing algorithm to identify damage more clearly in an inspection region. Since the kinetic energy of material particles in a damaged area would suddenly change when ultrasonic waves encounter the damage, the new algorithm embedded in the wave visualization technique is aimed at monitoring the kinetic energy variations of all points in an inspection region to construct a damage diagnostic image. To validate the new algorithm, three kinds of surface damages on the center of aluminum plates, including two non-penetrative slits with different depths and a circular dent, were experimentally inspected. From the experimental results, it can be found that the new algorithm can remarkably enhance the quality of the diagnostic image, especially for some minor defects.
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spelling pubmed-42794922015-01-15 An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method Liu, Yaolu Goda, Riu Samata, Kiyoshi Kanda, Atsushi Hu, Ning Zhang, Jianyu Ning, Huiming Wu, Liangke Sensors (Basel) Article To improve the reliability of a Lamb wave visualization technique and to obtain more information about structural damages (e.g., size and shape), we put forward a new signal processing algorithm to identify damage more clearly in an inspection region. Since the kinetic energy of material particles in a damaged area would suddenly change when ultrasonic waves encounter the damage, the new algorithm embedded in the wave visualization technique is aimed at monitoring the kinetic energy variations of all points in an inspection region to construct a damage diagnostic image. To validate the new algorithm, three kinds of surface damages on the center of aluminum plates, including two non-penetrative slits with different depths and a circular dent, were experimentally inspected. From the experimental results, it can be found that the new algorithm can remarkably enhance the quality of the diagnostic image, especially for some minor defects. MDPI 2014-10-29 /pmc/articles/PMC4279492/ /pubmed/25356647 http://dx.doi.org/10.3390/s141120439 Text en © 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Liu, Yaolu
Goda, Riu
Samata, Kiyoshi
Kanda, Atsushi
Hu, Ning
Zhang, Jianyu
Ning, Huiming
Wu, Liangke
An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title_full An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title_fullStr An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title_full_unstemmed An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title_short An Efficient Algorithm Embedded in an Ultrasonic Visualization Technique for Damage Inspection Using the AE Sensor Excitation Method
title_sort efficient algorithm embedded in an ultrasonic visualization technique for damage inspection using the ae sensor excitation method
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4279492/
https://www.ncbi.nlm.nih.gov/pubmed/25356647
http://dx.doi.org/10.3390/s141120439
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