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A novel approach for the autonomous inspection and repair of aircraft composite structures
School of Aerospace, Transportation and Manufacturing, Cranfield University, College Road, Cranfield, United Kingdom.
School of Aerospace, Transportation and Manufacturing, Cranfield University, College Road, Cranfield, United Kingdom.
School of Aerospace, Transportation and Manufacturing, Cranfield University, College Road, Cranfield, United Kingdom.
School of Aerospace, Transportation and Manufacturing, Cranfield University, College Road, Cranfield, United Kingdom.
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2019 (English)Conference paper, Published paper (Other academic)
Abstract [en]

The paper presents the results obtained in the first two years of the H2020 CompInnova project which deals with the development of an innovative approach for inspection and repair of damage in aeronautical composites. The development of a newly designed robotic platform for autonomous inspection using combined infrared thermography (IRT) and phased array (PA) non-destructive investigation for damage detection and characterization, while integrated with laser repair capabilities. PA and IRT are combined in order to detect near-surface and sub-surface damages. Development of a novel thermographic technique termed Pulsed Phase-informed Lock-In Thermography, enables for the first time the rapid and quantitative assessment of damage in the materials. Furthermore, the results are fused using machine learning and image processing techniques for detection and sizing in real time. This will provide the information needed for an automatic laser repair procedure capable of removing precisely ply-by-ply the material. This method allows to have a well-treated surface to apply a repair patch. The three different modules (PA, IRT and laser repair) are integrated on an autonomous robotic platform. The robot is going to be able to attach and move on surfaces of different orientations via the use of a vortex-based actuation system, thus providing the ability to autonomously access, scan and repair the different sections of an aircraft fuselage. © CCM 2020 - 18th European Conference on Composite Materials. All rights reserved.

Place, publisher, year, edition, pages
Applied Mechanics Laboratory , 2019.
Keywords [en]
phased-array, infrared thermography, autonomousinspections, vortex robot, composites NDT
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-78547Scopus ID: 2-s2.0-85084163755OAI: oai:DiVA.org:ltu-78547DiVA, id: diva2:1424092
Conference
18th European Conference on Composite Materials, ECCM 2018, Megaron Athens International Conference Centre (MAICC)Athens, Greece, 24 June 2018 through 28 June 2018, Code 155810
Funder
EU, Horizon 2020, 665238Available from: 2020-04-16 Created: 2020-04-16 Last updated: 2023-02-22Bibliographically approved

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Scopushttps://az659834.vo.msecnd.net/eventsairwesteuprod/production-pcoconvin-public/bcf8e8d5eb8a4f79b682c326bb2de8fe

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Andrikopoulos, GeorgiosNikolakopoulos, George

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