Commonly in space systems there are subsystems or instruments with a low or null communication or processing capabilities. This paper describes a high reliable, low power consumption and small sized remote terminal unit aimed at connecting these subsystems to the satellite's system bus. The design includes a SoC based on an 80C32 microcontroller and provides a 2.0 CAN controller; a general purpose digital I/Os; ADCs interfaces; and one UART interface. As key features concerning fault tolerance, the proposed system uses space qualified components; hardware redundancy is considered; it has auto-check capabilities; and if necessary, the embedded generic firmware allows remote downloading of updated versions of flight software through the CAN bus and, in the same way, by means of a CAN message the full system can be restarted by the spacecraft control system.


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    Titel :

    High reliable remote terminal unit for space applications


    Beteiligte:
    Guzman, David (Autor:in) / Prieto, Manuel (Autor:in) / Garcia, Daniel (Autor:in) / Ruiz, Victor (Autor:in) / Almena, Javier (Autor:in) / Sanchez, Sebastian (Autor:in) / Meziat, Daniel (Autor:in)


    Erscheinungsdatum :

    2009


    Format / Umfang :

    6 Seiten, 8 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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