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Deployment modeling and experimental testing of a Bi-stable composite boom for small satellites
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Strukturmekanik.
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Strukturmekanik.ORCID-id: 0000-0001-6802-8331
2013 (engelsk)Inngår i: 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, American Institute of Aeronautics and Astronautics, 2013Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The rapidly growing use of nano- and pico-satellites for space missions requires deployable systems to be highly storable yet large and with adequate mechanical properties when deployed. This paper focuses on the modeling and simulation of a meter-class passively deployable boom - based on the SIMPLE boom by Thomas W. Murphey - exploiting the bi-stable nature of composite shells. Experimental tests were also carried on a boom prototype suspended in a gravity off-loading system. The strain energy level, deployment time and spacecraft displacements of the models agree well with analytical analyses, confirming the theoretical accuracy of the finite element model. However, the simulations show that the boom deploys six times faster than the real prototype. The quick deployment and violent end-of-deployment shock provokes the boom deployment dynamics to be unrealistic but still shows a reasonable behavior given the nature of the deployment. Future improvements in the material and friction models will, most likely, provide us with a more realistic finite element model.

sted, utgiver, år, opplag, sider
American Institute of Aeronautics and Astronautics, 2013.
Emneord [en]
Analytical analysis, Bi-stable composite, Deployable systems, Deployment dynamics, Experimental testing, Future improvements, Modeling and simulation, Theoretical accuracy
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-134115DOI: 10.2514/6.2013-1672Scopus ID: 2-s2.0-84880844136ISBN: 978-162410223-3 (tryckt)OAI: oai:DiVA.org:kth-134115DiVA, id: diva2:664901
Konferanse
54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference; Boston, MA; United States; 8 April 2013 through 11 April 2013
Merknad

QC 20131118

Tilgjengelig fra: 2013-11-18 Laget: 2013-11-18 Sist oppdatert: 2013-11-18bibliografisk kontrollert

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Totalt: 47 treff
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