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Proceedings Paper

Autonomous systems thermographic NDT of composite structures
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Paper Abstract

Transient thermography is a method used successfully in the evaluation of composite materials and aerospace structures. It has the capacity to deliver both qualitative and quantitative results about hidden defects or features in a composite structure. Aircraft must undergo routine maintenance – inspection to check for any critical damage and thus to ensure its safety. This work aims to address the challenge of NDT automated inspection and improve the defects’ detection by suggesting an autonomous thermographic imaging approach using a UAV (Unmanned Aerial Vehicle) active thermographic system. The concept of active thermography is discussed and presented in the inspection of aircraft CFRP panels along with the mission planning for aerial inspection using the UAV for real time inspection. Results indicate that the suggested approach could significantly reduce the inspection time, cost, and workload, whilst potentially increase the probability of detection of defects on aircraft composites.

Paper Details

Date Published: 2 May 2019
PDF: 12 pages
Proc. SPIE 11004, Thermosense: Thermal Infrared Applications XLI, 110040I (2 May 2019); doi: 10.1117/12.2517426
Show Author Affiliations
S. Deane, Cranfield Univ. (United Kingdom)
N. P. Avdelidis, Cranfield Univ. (United Kingdom)
Univ. Laval (Canada)
C. Ibarra-Castanedo, Univ. Laval (Canada)
H. Yazdani Nezhad, Cranfield Univ. (United Kingdom)
A. Williamson, Mapair Thermography Ltd. (United Kingdom)
H. Zhang, Univ. Laval (Canada)
V. Tzitzilonis, Cranfield Univ. (United Kingdom)
X. P. V. Maldague, Univ. Laval (Canada)
A. Tsourdos, Cranfield Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 11004:
Thermosense: Thermal Infrared Applications XLI
Jaap de Vries; Beate Oswald-Tranta, Editor(s)

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