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Application of a new optical Measurement Technique for Non-Intrusive Wing Deformation Measurement on a Large Transport Aircraft

Boden, Fritz and Kirmse, Tania and Weikert, Thorsten and Wolf, Thomas and Petit, C. and Jentink, H.W. (2010) Application of a new optical Measurement Technique for Non-Intrusive Wing Deformation Measurement on a Large Transport Aircraft. 21th SFTE (EC) Symposium, 3. - 6. October 2010, Vergiate (VA) Italy.

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The in-flight deformation of wings has a significant impact on the aerodynamic performance of an aircraft. Thus, it is of interest to be measured. At the moment mainly classical measurement techniques such as strain gauges or accelerometers are applied. These techniques give accurate results but have the drawback that they only provide local information. Furthermore, the installation of the sensors and their wiring could cause structural and aerodynamic interferences. To avoid these effects non-intrusive measurement methods are preferable. A photogrammetry method is already applied for these measurements, although the method has some constraints. At the moment only static measurements are provided and accuracy depends on careful and time-consuming calibrations. Within the EC funded Specific Targeted Research Project AIM (Advanced In-flight Measurement techniques) a novel advanced non-intrusive measurement technique called IPCT (Image Pattern Correlation Technique) was tested for in-flight application to wing deformation measurements. Applying the Image Pattern Correlation Technique (IPCT) can improve the accuracy, reduce installation time, provide local surface deformations and give dynamic results. The IPCT is a special kind of DIC (Digital Image Correlation) and thus an optical, non-intrusive measurement technique. The technique was developed for in-flight applications by DLR and NLR. Within AIM the feasibility to apply the technique for an industrial flight test has been demonstrated on an Airbus A 380. In the presented paper the measurement technique, the installation on the A380 and the test preformed in June 2009 are described. At the end some of the first results of the test are presented.

Item URL in elib:https://elib.dlr.de/65347/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Application of a new optical Measurement Technique for Non-Intrusive Wing Deformation Measurement on a Large Transport Aircraft
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Petit, C.Airbus Operations, FranceUNSPECIFIED
Jentink, H.W.NLR, The NetherlandsUNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-23
Series Name:Conference Proceedings on USB-Stick
Keywords:IPCT,image pattern correlation technique, DIC, digital image correlation, photogrammetry, A380, AIM, advanced in-flight measurement techniques, wing deformation, Videostroboskop, Flight testing, marker detection
Event Title:21th SFTE (EC) Symposium
Event Location:Vergiate (VA) Italy
Event Type:international Conference
Event Dates:3. - 6. October 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:14 Oct 2010 14:00
Last Modified:14 Oct 2010 14:00

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