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AIRLINE + UNIVERSITY:
AN INNOVATION FACTORY
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Example I
Example II
Example III
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About me…NDT Researcher• Development of a water & ice detection system
• Project management
PhD Candidate in material sciences• Supervising thesis
• Perform scientific experiments and publish papers
MSCA Fellow• 100% EU funded position und Horizon 2020
Flemish funded R&I project partner• Coordination of DETECT-ION project
M.Sc. in Physics• B.Sc. thesis in Detector physics
• M.Sc. thesis in Geophysics
Michael StammNDT researcher &
MSCA Fellow
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Photo: Samir Patel
Example I
Example II
Example III
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Corroded floor beams
Cooperation since 2008
Student project about corroded floor structures
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Corroded floor beams
Problem Investigation Action Test Implementation
Fractography
chem. analysiscorr. floor beams Av-DEC HI-TAK®
~40k€ costs/AC
Repetitive tests ~ 8 k€/AC
Work performed by KU Leuven, student project by Ruben Windey, Helge Pfeiffer, Prof. Martine Wevers
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Percolation sensor
• D-ABIX (B737)
• D-ABVX (B747)
• D-ABVM (B747)
Implementation by LHT
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Photo: Samir Patel
Example I
Example II
Example III
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NDTonAIR
Problem NDTonAIR Achievements
Water and Ice
in fuel tanks
EU funded (H2020)
research project
250 k€
Scientific conference
presentation
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NDTonAIR
Approach Current status Goal
Acoustic Emission Up to three signals/second
Ready to use
measurement tool
Better understanding
of ice in fuel tanks
???!?
!
!!!
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Example I
Example II
Example III
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DETECT-ION
Problem Investigation Action …
Technology Application Development Prototyping …
Until now:
Proactive innovation:
Development of DIC tool as a
standard aircraft maintenance tool.
220 k€
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DIC principleDigital Image Correlation
disneyclips.com
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DIC principleDigital Image Correlation
pixabay.com
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DIC principleDigital Image Correlation
pixabay.com
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DIC principleDigital Image Correlation
• Compare reference image with
actual image
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DIC principleDigital Image Correlation
• Compare reference image with
actual image
• Calculate displacement
Until now:
2D displacement + reference image!
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DIC principleDigital Image Correlation
• Compare reference image with
actual image
• Calculate displacement
• With material properties:
Calculate strain and stress
Strain calculated using material properties
(thickness, strength, length…)
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From 2D to 3D…
3D image reconstruction
thetechjournal.com
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• Two eyes/cameras required
From 2D to 3D…
3D image reconstruction
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3D only with two images/eyes?
From 2D to 3D…
Gústi Productions
pixabay.com
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From 2D to 3D…
Gústi Productions
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pixabay.com
• Two eyes/cameras required
• Otherwise: (good) illusion!
• Known patter helps for 3D
reconstruction!
From 2D to 3D…
3D image reconstruction
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Application in aviation…Speckle pattern and reference image?!
Projection of KNOWN pattern
+ stereo camera
+ reconstruction software
3D surface shape reconstructiondisneyclips.com
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+
+ =
=
Learn from nature…
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• High accuracy
• Large field of view
Advantage of DIC system
4k image
3840 PX
100 cm
Resolution of 3D reconstruction
1/100 pixel 0.02 mm
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• High accuracy
• Large field of view
Advantage of DIC system
Full 3D surface reconstruction…
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• High accuracy
• Large field of view
• Easy to use
Advantage of DIC system
Case study : July 2015
Work performed in cooperation with KU Leuven and MatchID, Dimitri Debruyne & Pascal Lava
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• High accuracy
• Large field of view
• Easy to use
• Fast image capturing
Advantage of DIC system
Drone inspection possible?
Work performed by KU Leuven, Ruben Balcaen
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• High accuracy
• Large field of view
• Easy to use
• Fast image capturing
Advantage of DIC system
Drone inspection possible?
airbus.com
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• Single dent inspection
• Not fully atomized
• Estimate depth, size and position
• Full A/C screening
• Zonal inspection
• Fully automated – with drone?!
“The future depends on what you do today…”- Mahatma Gandhi
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Thank you…
Michael StammNDT researcher &
MSCA Fellow
Johan Reynaert
Danny Vanspringel
M&E department
Helge Pfeiffer, Martine Wevers
Dimitri Debruyne
Ruben Balcaen
Marco Ricci
Stefano Laureti
Pietro Burrascano
This project has received funding from
the H2020-MSCA-ITN-2016 under grant
agreement No 722134.
Pascal Lava
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ADD-ON
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VIBRATING CAMERA SYSTEM
Work performed by KU Leuven, Ruben Balcaen
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0
0.005
0.01
0.015
0.02
0.025
0 10 20 30 40 50 60
Un
cert
ain
ty Z
[m
m]
Stereo-angle [°]
Uncertainty in Z [mm]
stdev z - 25mm
stdev z - 50mm
stdev z - 100mm
stdev z - 200mm
CAMERA SYSTEM CONFIGURATION
Work performed by KU Leuven, Ruben Balcaen
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VIBRATING CAMERA SYSTEM
0.0075 mm
Work performed by KU Leuven, Ruben Balcaen
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SINGLE DENT INSPECTION