Mission Design for the CubeSat OUFTI-1

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CHAPTER 2the solar panels deployment system and in the European Student Moon Orbiter(ESMO) developing the Narrow Angle Camera (NAC).The project of a nanosatellite was instead in a kind of stall until September2007 when Mr. Luc Halbach, sales manager of Spacebel, proposed the designof a CubeSat for amateur radio, equipped with a new digital technology: theD-STAR system. In less than one month, a team of students and professors wasgrouped and the design of the first CubeSat of the University of Liège started. Itwas called OUFTI-1 which is a typical expression of the city of Liège and whichstands for Orbiting Utility For Telecommunication Innovation. The project wenton and the idea of launching many CubeSats carrying scientific experimentsbecame more and more concrete: now the University of Liège has the ambitiousprogram of developing a series of CubeSats to give students hands-on experiencewith all the phases of the design and operation of a complete satellite system.A CubeSat is in fact the best mean to accomplish this educational mission: itsdesign goes on just like a traditional space mission but, being the development’stime much shorter, it gives students the opportunity of participating to all themission phases from the feasibility study to the launch.At the same time, the LEODIUM project will allow the space qualification ofsome recently-developed technologies and some scientific experiments on-boardof the futures CubeSats. In chapter 12, a more detailed description of thepossible payloads will be presented.Concerning OUFTI-1, its main goal is to demonstrate the feasibility of using theamateur radio D-STAR digital communication protocol to communicate with,and through, a CubeSat: it will be in fact the first satellite ever to use this kindof technology. If it works and it’s successfully space-tested, it will be the maincommunication system for all the next CubeSats of the Liège University.Galli Stefania 16 University of Liège
CHAPTER3THE FLIGHT OPPORTUNITYThe Education Office of the European Space Agency (ESA), in cooperationwith the Directorate of Legal Affairs and External Relations and the Vega ProgrammeOffice in the Directorate of Launchers, issued a first AnnouncementOpportunity on 9 October 2007 offering a free launch on the Vega maiden flightfor six CubeSats. In the meantime, the Vega Maiden Flight CubeSat Workshopwas held at the European Space Research and Technology Center (ESTEC): theUniversity of Liège participated presenting the LEODIUM Project [RD1]. On15 February 2008, the ESA published a call for proposal for CubeSat on-boardof Vega [RD2] and on 17 mars 2008 the proposal was submitted to the ESA[RD3].Up to know, we are still waiting for an hopefully positive answer.17
Page 3: Space is probably the main symbol o
Page 7 and 8: CONTENTS1 Introduction 132 The LEOD
Page 9 and 10: LIST OF FIGURES4.1 A typical 1-unit
Page 11: LIST OF TABLES5.1 Comparison betwee
Page 15: CHAPTER2THE LEODIUM PROJECTThe LEOD
Page 20 and 21: CHAPTER 44.1 The CubeSat conceptDur
Page 22 and 23: CHAPTER 4have to be smooth and thei
Page 25 and 26: CHAPTER5MISSION ANALYSISThe mission
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Page 31 and 32: CHAPTER 5.MISSION ANALYSISFigure 5.
Page 33 and 34: CHAPTER 5.MISSION ANALYSIS5.2 The o
Page 35 and 36: CHAPTER 5.MISSION ANALYSIS• the s
Page 37 and 38: CHAPTER 5.MISSION ANALYSISt − t 0
Page 39 and 40: CHAPTER 5.MISSION ANALYSISIn figure
Page 41 and 42: CHAPTER 5.MISSION ANALYSIS• if m
Page 43 and 44: CHAPTER 5.MISSION ANALYSIS5.3.3 The
Page 45 and 46: CHAPTER 5.MISSION ANALYSISwhere ϑ
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Page 55: CHAPTER 5.MISSION ANALYSISFigure 5.
Page 58 and 59: CHAPTER 66.1 Pumpkin structureThe s
Page 60 and 61: CHAPTER 6Figure 6.2: ISIS structure
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CHAPTER 7I x = I x,cube + I x,M + I
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CHAPTER 7This rough estimation is e
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CHAPTER 7Otherwise, an orbit simula
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CHAPTER 7only slow down the rotatio
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CHAPTER 8order to prevent any failu
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CHAPTER 8We have now the vector ˆN
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CHAPTER 8Here we add an important h
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CHAPTER 8Figure 8.5: Total power pr
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CHAPTER 8Figure 8.8: Total power an
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CHAPTER 88.4 Battery and operating
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CHAPTER 99.1 Passive thermal-contro
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CHAPTER 99.3 Nodes modelThe CubeSat
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CHAPTER 9where c p is the material
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CHAPTER 9We have now all the parame
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CHAPTER 9A typical layout of a Ther
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CHAPTER10COMMUNICATION SYSTEMThe co
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CHAPTER 10.COMMUNICATION SYSTEMstre
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CHAPTER 10.COMMUNICATION SYSTEM•
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CHAPTER 10.COMMUNICATION SYSTEMWe c
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CHAPTER11TESTSThe launch and space
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CHAPTER 11.TESTSof asking for some
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CHAPTER 11.TESTSThe random vibratio
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CHAPTER12FUTURE DEVELOPMENTSThe fea
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CHAPTER 12.FUTURE DEVELOPMENTSspace
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AcronymsAARACRACSADADCSASIAVUMBOLCC
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BIBLIOGRAPHY[1] Wiley J. Larson, Ja
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AcknowledgmentsI would like to than
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Mission Design for the CubeSat OUFTI-1

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