This paper analyzes the potential benefit of a model based DPF leakage monitor over a conventional DPF leakage monitor that checks pressure drop after a complete regeneration. We analyze the most important noise factors involved in both approaches and demonstrate that the model based leakage monitor does not improve on the conventional leakage monitor in accuracy. It does improve on completion frequency, but at the expense of a great modeling effort.


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    Titel :

    Uncertainty Analysis of Model Based Diesel Particulate Filter Diagnostics


    Weitere Titelangaben:

    Sae Int. J. Commer. Veh


    Beteiligte:

    Kongress:

    Commercial Vehicle Engineering Congress & Exhibition ; 2008



    Erscheinungsdatum :

    2008-10-07


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    van Nieuwstadt, M. / Brahma, A. / Society of Automotive Engineers | British Library Conference Proceedings | 2008



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    Diagnostics for Diesel Particulate Filters

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    Diagnostics for Diesel Particulate Filters

    Trudell, D. F. / van Nieuwstadt, M. J. | SAE Technical Papers | 2004