This paper provides an insight on the Avionic SW architecture developed by Thales Alenia Space Italy (TAS-I) to achieve structuring of the OBSW as a set of self-standing and re-usable building blocks. It is initially described the underlying framework for building blocks cooperation, which is based on ECSS-E-70 packets forwarding (for services request to a building block) and standard parameters exchange for data communication. Subsequently it is discussed the high level of flexibility and scalability of the resulting architecture, reporting as example an implementation of the Failure Detection, Isolation and Recovery (FDIR) function which exploits the proposed architecture. The presented approach evolves from avionic SW architecture developed in the scope of the project PRIMA (Mult-Purpose Italian Re-configurable Platform) and has been adopted for the Sentinel-1 Avionic Software (ASW).


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    Title :

    An approach for on-board software building blocks cooperation and interfaces definition


    Additional title:

    Ein Verfahren für die Kooperation und Schnittstellendefinition von On-Board Software-Building-Blocks


    Contributors:


    Publication date :

    2010


    Size :

    11 Seiten, 6 Bilder, 3 Quellen


    Remarks:

    (nicht paginiert)




    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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