The embedded software has played an increasing role in safety-critical systems. At the same time the current development process of “build, then integrate” has proven unaffordable for the Aerospace industry. This paper outlines challenges in safety-critical embedded systems in addressing system-level faults that are currently discovered late in the development life cycle. We then discuss an architecture-centric approach to model-based engineering, i.e., to complement the validation of systems with analysis of different operational quality aspects from an architecture model. A key technology in this approach is the Architecture Analysis & Design Language (AADL), an SAE International standard for embedded software system. It supports analysis of operational qualities such as responsiveness, safety-criticality, security, and reliability through model annotations. A number of industry initiatives have been underway to demonstrate the feasibility of using this technology in industrial practice.


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    Title :

    Challenges in Validating Safety-Critical Embedded Systems


    Additional title:

    Sae Int. J. Aerosp


    Contributors:

    Conference:

    Aerospace Technology Conference and Exposition ; 2009


    Published in:

    Publication date :

    2009-11-10


    Size :

    8 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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