Nonlinearities of an aircraft piccolo tube: Identification and modeling

T. Dossogne, P. Trillet, M. Schoukens, B. Bernay, J.P. Noël, G. Kerschen

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

3 Downloads (Pure)

Samenvatting

Piccolo tubes are parts of aircraft wings anti-icing system and consist of titanium pipes inserted into the internal structure of the slat. Due to differential thermal expansion, clearances between the tube and its support are unavoidable and cause the overall system to exhibit highly nonlinear behavior, resulting from impacts and friction. This paper addresses the identification and modeling of the nonlinearities present in the slat-Piccolo tube connection. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon sine-sweep measurements. The use of several techniques, such as the acceleration surface method, enables to understand the complex dynamics of the Piccolo tube and build a reliable model of its nonlinearities. In particular, the parameters of nonsmooth nonlinear stiffness and damping mechanisms are estimated. The nonlinear model is finally validated on standard qualification tests for airborne equipments.
Originele taal-2Engels
TitelModel Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018
SubtitelProceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018
RedacteurenRobert Barthorpe
Plaats van productieCham
UitgeverijSpringer
Pagina's57-59
Aantal pagina's3
Volume3
ISBN van elektronische versie978-3-319-74793-4
ISBN van geprinte versie978-3-319-74792-7
DOI's
StatusGepubliceerd - 2019
Evenement36th IMAC, A Conference and Exposition on Structural Dynamics, 2018 - Orlando, Verenigde Staten van Amerika
Duur: 12 feb. 201815 feb. 2018

Publicatie series

NaamConference Proceedings of the Society for Experimental Mechanics Series
ISSN van geprinte versie2191-5644
ISSN van elektronische versie2191-5652

Congres

Congres36th IMAC, A Conference and Exposition on Structural Dynamics, 2018
Land/RegioVerenigde Staten van Amerika
StadOrlando
Periode12/02/1815/02/18

Vingerafdruk

Duik in de onderzoeksthema's van 'Nonlinearities of an aircraft piccolo tube: Identification and modeling'. Samen vormen ze een unieke vingerafdruk.

Citeer dit