CubeSail: A low cost CubeSat based solar sail demonstration mission |
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Authors: | Vaios Lappas Nasir Adeli Lourens Visagie Juan Fernandez Theodoros Theodorou Willem Steyn Matthew Perren |
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Institution: | 1. Surrey Space Centre, University of Surrey, Guildford GU2 7XH, UK;2. Stellenbosch University, Private Bag X1, Matieland 7602, South Africa;3. EADS Astrium, 6 rue Laurent Pichat, 75016 Paris, France |
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Abstract: | CubeSail is a nano-solar sail mission based on the 3U CubeSat standard, which is currently being designed and built at the Surrey Space Centre, University of Surrey. CubeSail will have a total mass of around 3 kg and will deploy a 5 × 5 m sail in low Earth orbit. The primary aim of the mission is to demonstrate the concept of solar sailing and end-of-life de-orbiting using the sail membrane as a drag-sail. The spacecraft will have a compact 3-axis stabilised attitude control system, which uses three magnetic torquers aligned with the spacecraft principle axis as well as a novel two-dimensional translation stage separating the spacecraft bus from the sail. CubeSail’s deployment mechanism consists of four novel booms and four-quadrant sail membranes. The proposed booms are made from tape-spring blades and will deploy the sail membrane from a 2U CubeSat standard structure. This paper presents a systems level overview of the CubeSat mission, focusing on the mission orbit and de-orbiting, in addition to the deployment, attitude control and the satellite bus. |
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Keywords: | ACP attitude control processor ADCS attitude determination and control system BCR battery charge regulator CAD computer-aided design CM center of mass CMOS complementary metal-oxide semiconductor COTS commercial off-the-shelf CP center of pressure EPS electrical power system LEO low Earth orbit LTDN local time of the descending node MEMS micro electro-mechanical systems OBC onboard computer OBDH onboard data handling PCB printed circuit board PWM pulse width modulation RAAN right-ascension of the ascending node SRAM static random access memory SRP solar radiation pressure UHF ultra-high frequency VHF very-high frequency |
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