06 Fakultät Luft- und Raumfahrttechnik und Geodäsie

Permanent URI for this collectionhttps://elib.uni-stuttgart.de/handle/11682/7

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Institute: search.filters.UBSInstitut.Institut für RaumfahrtsystemePublication Type: search.filters.UBSTyp.Abschlussarbeit (Bachelor)

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    Spacecraft data simulator for the DESTINY⁺ Dust Analyser
    (2021) Kniese, Rafael
    This bachelor thesis reports on the development of a data simulator for the dust telescope "DESTINY⁺ Dust Analyser (DDA)". The DDA is part of DESTINY⁺, a space mission to the asteroid 3200 Phaethon, the presumed parent body of the Geminids. It will analyze cosmic dust released by the asteroid to better understand its role as a source of organic material on earth. The DDA will communicate with the rest of the satellite using the SpaceWire bus system and will be tested by the data simulator developed in this thesis, so that possible errors in the flight software can be detected and corrected as soon as possible. The need for this arises from the fact that the DDA is being realized at the Institute of Space Systems of the University of Stuttgart (IRS) together with the electronics supplier "von Hoerner & Sulger", while DESTINY⁺ is a mission of the Japan Aerospace Exploration Agency (JAXA). The German Aerospace Center (DLR) is the German project sponsor. The geographical distance between the experiment and the spacecraft is too large to perform direct tests in the early stages of the mission. The data simulator is implemented as two Graphical User Interfaces (GUIs) in C/ C++ in the Microsoft Visual Studio 2019 environment on Microsoft Windows 10. One sends data as broadcast or telecommand, the other receives telemetry. A SpaceWire Brick Mk3 from STAR-Dundee is used as the interface between the PC and the bus, which has two ports for SpaceWire cables and a USB port. Thus the data stream from and to the DDA can be controlled from a PC. The messages follow the packet protocol of the Consultative Committee for Space Data Systems (CCSDS). In the future, however, they will be adapted to the Remote Memory Access Protocol (RMAP).