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Vibration Modal Analysis of a Deployable Boom Integrated to a CubeSat
KTH, School of Engineering Sciences (SCI), Mechanics, Structural Mechanics. (Deployable Space Structures, Mechanics)
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Modalanalys av en utfällbar bom på en kubisk satellit (Swedish)
Abstract [en]

CubeSat or Cubic Satellite is an effective method to study the space aroundthe Earth thanks to its low cost, easy maintenance and short lead time. However, a great challenge of small satellites lies in achieving technicaland scientific requirements during the design stage. In the present workprimary focus is given to dynamic characterization of the deployable tapespringboom in order to verify and study the boom deployment dynamiceffects on the satellite. The deployed boom dynamic characteristics werestudied through simulations and experimental testing. The gravity offloadingsystem was used to simulate weightlessness environment in theexperimental testing and simulations showed that the deployment of thesystem influence the results in a different way depending on the vibrationmode shape.

Abstract [sv]

En CubeSat eller kubisk satellit är effektivt för att studera rymden runtjorden på grund av dess låga kostnad, enkla underhåll och korta ledtid. Enstor utmaningen i utformningen av små satelliter är att uppnå de tekniskaoch vetenskapliga kraven. Detta arbete har analyserat de dynamiska egenskapernahos en utfällbar band-fjäder bom i syfte att verifera och för attstudera bommens utfällningsdynamiska effekter på satellitens bana och attityd.Den utfällda bommens dynamiska egenskaper har studerats genomsimuleringar och experimentella tester. Ett tyngdkraftskompenserande systemhar använts för att simulera tyngdlöshet i de experimentella testernaoch simuleringar visar att utformningen av detta system påverkar resultatenolika beroende på svängingsmodens form.

Place, publisher, year, edition, pages
2013. , 72 p.
Keyword [en]
CubeSat, Vibration Modal Analysis, Experimental Dynamics Testing, Space Structures, Deployable Space Structures, Finite Element Modal Analysis
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-122076OAI: diva2:620604
Subject / course
Educational program
Master of Science - Engineering Mechanics
2013-02-14, Stockholm, KTH Main Campus, Osquars Backe 18, Stockholm, 15:00 (English)
Available from: 2013-08-19 Created: 2013-05-08 Last updated: 2013-08-19Bibliographically approved

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