The multiple electronic systems in a modern chassis must be functionally integrated not only to take full advantage of their capabilities but also to avoid an inconsistent behavior in different driving situations. This integration is difficult because any closed control loop across multiple systems from different suppliers imposes problems concerning performance, design and reliability. To solve these issues, a control architecture is proposed that allows the integration of black box systems. This approach is based on the concept of moding. On the base level, the so called "Classifier" evaluates all available signals to identify the current driving situation and driving style. On the next level, these identified driving modes are mapped out to a set of carefully chosen operating modes of the subsystems. This control scheme achieves a highly sophisticated chassis performance and can also be scaled in a very flexible way to different equipment levels, thus allowing the free substitution or addition of new sub-systems. This paper tries to describe a possible implementation of the so called moding concept. In this concept, firstly the driving condition and the driving style are determined and then combined with the driver's wish to accordingly tune subsystems offering improved comfort, dynamics and safety. The control of moding algorithm development (high-level) lies with the OEM and the supplier focuses his effort on the system control loops at the lower-level. The result is that this concept can be adapted to different suppliers without much effort. This in turn also avoids the complicated interface alignment with multiple suppliers and the organizational and Intellectual Property issues become less troublesome. Additionally, this moding concept can be made scalable to virtually any degree; even extensions to Adaptive Cruise Control (ACC) or Eco-Mode could be managed with ease.


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    Titel :

    Moding approach for vehicle subsystem control


    Beteiligte:
    Heitmann, Andreas (Autor:in) / Held, Veit (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    12 Seiten, 3 Bilder, 4 Tabellen, 4 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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