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Experimental characterisation of tape spring nonlinear compliant mechanisms
Dewalque, Florence; Schwartz, Cédric; Denoël, Vincent et al.
20179th European Nonlinear Dynamics Conference (ENOC)
 

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Keywords :
Tape spring; Experimental tests; Nonlinear dynamic; Finite element model; Correlation
Abstract :
[en] Tape springs are compliant mechanisms used as alternative to kinematic joints, for example, in deployable space structures. To reach a detailed understanding of their highly nonlinear behaviour, involving buckling, the formation of folds, nonlinear vibrations and hysteresis, an experimental set-up is designed. Dynamic and quasi-static tests are performed, as well as small amplitude vibration tests and large amplitude deployments in order to collect data in a broad variety of cases. The acquisition equipment consists of a 3D motion analysis system which triangulates the position of active markers and a force plate. The reproducibility of the acquisitions is assessed and the parameters affecting the measurements are identified. In the end, a finite element model is developed and correlated with the experimental results.
Disciplines :
Aerospace & aeronautics engineering
Mechanical engineering
Author, co-author :
Dewalque, Florence ;  Université de Liège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Schwartz, Cédric  ;  Université de Liège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Denoël, Vincent  ;  Université de Liège > Département ArGEnCo > Analyse sous actions aléatoires en génie civil
CROISIER, Jean-Louis ;  Centre Hospitalier Universitaire de Liège - CHU > Service de médecine de l'appareil locomoteur
FORTHOMME, Bénédicte ;  Centre Hospitalier Universitaire de Liège - CHU > Service de médecine de l'appareil locomoteur
Bruls, Olivier  ;  Université de Liège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Language :
English
Title :
Experimental characterisation of tape spring nonlinear compliant mechanisms
Publication date :
29 June 2017
Event name :
9th European Nonlinear Dynamics Conference (ENOC)
Event place :
Budapest, Hungary
Event date :
26-30 June 2017
Audience :
International
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 05 August 2017

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