The design of a cost-effective SIL3/ASILD-compliant failsafe computer control system is a great challenge because of the requirements of IEC 61508 and/or ISO CD 26262. In this paper the formal design methods in concept, space, time, and function domains are presented, which are used for the development of a failsafe chassis control system. We discuss the generic failsafe system architectures based on one-core and multi-core μCs in the framework of Markov’s safety model, and associated safety metrics like DC, SFF, and PFH. The safety aspects require that, a safety-related system is validated by an adequate safety analysis method. For this purpose a new integrated FMEDA (iFMEDA) for the validation of a safety-related vehicle application system is briefly introduced. Finally, the use of safety concepts for failure monitoring in practice chassis applications and generic diversity algorithms is shown.


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    Title :

    Approaching a SIL3-Compatible Failsafe Computer Control System in Safety-Critical Chassis Applications


    Additional title:

    Sae International Journal of Passenger Cars- Electronic and Electrical Systems
    Sae Int. J. Passeng. Cars – Electron. Electr. Syst


    Contributors:

    Conference:

    SAE World Congress & Exhibition ; 2009



    Publication date :

    2009-04-20


    Size :

    13 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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