The NASA Orion vehicle that will fly to the moon in the next years is propelled along its mission by the European Service Module (ESM), developed by ESA and its prime contractor Airbus Defense and Space. This paper describes the development of the Propulsion Drive Electronics (PDE) Software that provides the interface between the propulsion hardware of the European Service Module with the Orion flight computers, and highlights the challenges that have been faced during the development. Particularly, the specific aspects relevant to Human Spaceflight in an international cooperation are presented, as the compliance to both European and US standards and the software criticality classification to the highest category A. An innovative aspect of the PDE SW is its Time- Triggered Ethernet interface with the Orion Flight Computers, which has never been flown so far on any European spacecraft. Finally the verification aspects are presented, applying the most exigent quality requirements defined in the European Cooperation for Space Standardization (ECSS) standards such as the structural coverage analysis of the object code and the recourse to an independent software verification and validation activity carried on in parallel by a different team.


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    Titel :

    Critical Software for Human Spaceflight


    Beteiligte:
    Preden, Antonio (Autor:in) / Kaschner, Jens (Autor:in) / Rettig, Felix (Autor:in) / Rodriggs, Michael (Autor:in)

    Kongress:

    Data Systems in Aerospace (DASIA 2017) ; 2017 ; Gothenburg, Sweden


    Erscheinungsdatum :

    2017-05-31


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Critical Software For Human Spaceflight: Orion Propulsion Software from Development to Qualification

    Preden, Antonio / Kaschner, Jens / Rettig, Felix et al. | AIAA | 2020


    CRITICAL SOFTWARE FOR HUMAN SPACEFLIGHT: ORION PROPULSION SOFTWARE FROM DEVELOPMENT TO QUALIFICATION

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    Software Engineering for Human Spaceflight

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    Software Engineering for Human Spaceflight

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