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Mechanical behaviour of tape springs used in the deployment of reflectors around a solar panel
Dewalque, Florence; Collette, Jean-Paul; Bruls, Olivier
2015In Proceedings of the 6th International Conference on Mechanics and Materials in Design (M2D)
 

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Keywords :
Tape springs; Nonlinear behaviour; Shells; Deployable structure; Reflectors; Optimisation
Abstract :
[en] In order to increase the production of power on small satellites, large solar panels are commonly deployed and, in some cases, reflectors are added to improve the concentration factor on solar cells. In this work, reflectors are deployed by the means of compliant mechanisms known as tape springs. Their attractive characteristics are, among others, their passive behaviour, their self-locking capacity, their elastic deformations and their robustness. It is shown here through parametric studies that the behaviour of a tape spring is mainly governed by its geometry. Thus, for each specific application, its dimensions must be determined in order to minimise two critical features: the maximum stresses affecting the structure and the maximum amplitudes of motion during deployment. In this paper, an optimisation procedure is proposed to meet these requirements.
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
Collette, Jean-Paul;  Walopt
Bruls, Olivier  ;  Université de Liège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Language :
English
Title :
Mechanical behaviour of tape springs used in the deployment of reflectors around a solar panel
Publication date :
2015
Event name :
6th International Conference on Mechanics and Materials in Design (M2D)
Event place :
Ponta Delgada, Portugal
Event date :
26-07-2015 to 30-07-2015
Audience :
International
Main work title :
Proceedings of the 6th International Conference on Mechanics and Materials in Design (M2D)
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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since 10 September 2015

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