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Space Systems Design Laboratory (SSDL)

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    Georgia Tech Small Satellite Real-Time Hardware-in the-Loop Simulation Environment: SoftSim6D
    (Georgia Institute of Technology, 2015) Chait, Sean B.
    The capabilities of small satellites produced by the university and small business community have seen a sharp rise in recent years. With this growth in capabilities has come an increase in mission complexity to encompass those architectures previously only found in well-funded government programs, including proximity operations. The inherent complexity of proximity operations-based missions introduces a great deal of risk to the mission’s success. The low-budget nature of the small satellite community has limited the development of relevant testing infrastructure to match the pace of mission complexity increase to adequately mitigate risk. This research will leverage the standardization of CubeSat components to develop a highly adaptable hardware-in-the-loop testing capability for the verification and validation of small satellite avionics boards and flight software. MATLAB© Simulink Real-Time will be utilized to create a user friendly framework that can easily be adapted to support a wide range of small satellite mission architectures. This architecture, known as SoftSim6D, has been designed to thoroughly exercise the robustness of a satellite with the primary aim of minimizing mission risk to ensure full mission success. An examination of the overall framework, verified capabilities, and current variants will be discussed.