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IPCT Ground Vibration Measurements on a Small Aircraft

Boden, Fritz and Wolf, Thomas and Lanari, Claudio and Torres, Anwar (2013) IPCT Ground Vibration Measurements on a Small Aircraft. In: Research Topics in Aerospace Advanced In-Flight Measurement Techniques. Springer Verlag, Heidelberg New York Dordrecht London. pp. 33-55. ISBN 978-3-642-34737-5 . ISSN 2194-8240

Full text not available from this repository.

Official URL: http://link.springer.com/book/10.1007/978-3-642-34738-2/page/1


One of the AIM subtasks required the measurement of structural vibration using IPCT on a small aircraft. This has been done in an industrial environment on a Piaggio P 180, without interfering with production testing and other flight test activity. A ground test, simulating flight conditions and measuring wing vibration was initially done and, due to budget restrictions, only a limited IPCT flight test could be completed using the ground set-up. For the ground tests, a set of accelerometers was also installed to compare the IPCT results with those obtained with traditional means. For these tests, an exciter, driven by a PC, was placed at the wing tip to generate a signal at the desired frequency. With this system, a frequency sweep was performed around the known natural frequencies, exciting the first wing bending mode. Furthermore, accelerometers were installed on the camera support in order to evaluate whether the camera itself was vibrating. During ground testing, the IPCT method showed promising results for in-flight testing, although the resolution was insufficient for the higher frequency, lower amplitude results. These limitations would require supplementing any IPCT system with traditional accelerometer measurements. In what follows, a brief description of the test set-up, the test instrumentation, the data analysis and the results of the ground vibration measurements will be presented.

Item URL in elib:https://elib.dlr.de/82277/
Document Type:Contribution to a Collection
Additional Information:eBook: 978-3-642-34738-2, eISSN: 2194-8259, DOI: 10.1007/978-3-642-34738-2_4, Chapter 4
Title:IPCT Ground Vibration Measurements on a Small Aircraft
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Boden, Fritzfritz.boden (at) dlr.deUNSPECIFIED
Wolf, Thomasthomas.wolf (at) dlr.deUNSPECIFIED
Lanari, ClaudioPiaggio Aero Industries, Genua, ItalyUNSPECIFIED
Journal or Publication Title:Research Topics in Aerospace
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 33-55
Lawson, NickolasCranfield University, National Flying Laboratory Centre, Beds, UK
Jentink, Henk W.NLR, Amsterdam, The Netherlands
Kompenhans, JürgenUNSPECIFIED
Publisher:Springer Verlag, Heidelberg New York Dordrecht London
Series Name:Advanced In-Flight Measurement Techniques
Keywords:IPCT, ground vibration measurements, AIM, simulating flight conditions
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:27 May 2013 16:18
Last Modified:01 Apr 2015 11:14

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