This paper investigates what challenges arise when extending the scope of functional safety for road vehicles to also include cooperative systems. Two generic alternatives are presented and compared with one another. The first alternative is to use a vehicle centric perspective as is the case in the traditional interpretation of ISO 26262 today. Here, an “item” (the top level system or systems for which functional safety is to be assured) is assumed to be confined to one vehicle. In the vehicle centric perspective inter-vehicle communication is not an architectural element and is therefore not a candidate for redundancy as part of the functional safety concept. The second alternative is to regard a cooperative system from a cooperative perspective. This implies that one item may span over several vehicles. The choice of perspective has implications in several ways. We investigate the implications for the cooperative item and in what ways the results may differ when going through the reference life cycle of ISO 26262. In particular we look at classification of hazardous events where severity is significantly higher since the cooperative system involves multiple rather than one single vehicle. We therefore suggest an additional severity class and as a consequence introduce a new automotive safety integrity level, ASIL E. The cooperative perspective includes the inter-vehicle communication as a candidate for redundancy. ASIL E can therefore be achieved using ASIL decomposition and the currently recommended product development phases for ASIL A to ASIL D. As an example for illustrating we use platooning.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Functional Safety for Cooperative Systems


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Bergenhem, Carl (Autor:in) / Jacobson, Jan (Autor:in) / Vinter, Jonny (Autor:in) / Nilsson, Josef (Autor:in) / Johansson, Rolf (Autor:in)

    Kongress:

    SAE 2013 World Congress & Exhibition ; 2013



    Erscheinungsdatum :

    2013-04-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    A functional safety assessment method for cooperative automotive architecture

    Kochanthara, Sangeeth / Rood, Niels / Saberi, Arash Khabbaz et al. | BASE | 2021

    Freier Zugriff

    A functional safety assessment method for cooperative automotive architecture

    Kochanthara, Sangeeth / Rood, Niels / Saberi, Arash Khabbaz et al. | BASE | 2021

    Freier Zugriff

    Cooperative systems for preventive traffic safety

    Zecha,S. / Continental,Alzenau,DE | Kraftfahrwesen | 2010


    COOPERATIVE ADAS AND COOPERATIVE SAFETY SYSTEMS AND METHODS USING V2X COMMUNICATIONS

    HARAN ONN | Europäisches Patentamt | 2022

    Freier Zugriff

    Cooperative ADAS and cooperative safety systems and methods using V2X communications

    HARAN ONN | Europäisches Patentamt | 2022

    Freier Zugriff