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Multi-axial simulation of aircraft cabin vibrations

Füllekrug, Ulrich (2010) Multi-axial simulation of aircraft cabin vibrations. DLR-Interner Bericht. DLR IB 232-2010 J 01, 79 S.

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The systematic investigation of the vibration comfort of air passengers requires the multi-axial simulation of aircraft cabin vibrations. Preconditions for significant experiments are a vibration test facility and methods for test preparation, performance and evaluation. This report describes the upgrade of an existing vibration test facility as well as the development of appropriate methods and test approaches. First steps consisted of a renewal of basic hydraulic components, an adaptation and overhaul of electric and electronic equipment, the development of a safety concept and a formulation of a test procedure for human test person undergoing vibration tests. Based on this, a certification of the vibration test facility and a concession for vibration tests on humans could be achieved. The existing uniaxial control system was extended and a concept for the reproduction of multiaxial vibrations was developed. It could be shown that a high quality of signal reproduction is possible. In next steps, comprehensive software tools for the analysis, comfort evaluation and processing of vibration test data were developed. Finally, a test campaign with human test person was performed. Aircraft vibrations during gusts and turbulences were simulated and the vibrations of the vibration table as well as the physiological reactions of human test person were measured. Summarizing the results and experiences it can be concluded that the vibration test facility, the utilized equipment, the employed tools and the overall approach were able to fulfill all requirements for these and future vibration tests on human test person. Further improvements of the vibration simulation with respect to effort, time and reproduction quality can be expected from an online multi-axial control system.

Item URL in elib:https://elib.dlr.de/65793/
Document Type:Monograph (DLR-Interner Bericht)
Title:Multi-axial simulation of aircraft cabin vibrations
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:22 February 2010
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:79
Keywords:structural dynamics, simulation of multi-axial vibrations, aircraft cabin, vibration comfort, human vibrations
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 - Flexible Aircraft (old)
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: Erdmann, Daniela
Deposited On:26 Oct 2010 11:32
Last Modified:12 Nov 2010 10:53

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