This paper describes the development of diagnostic algorithms for the detection of misfiring cylinders in an internal combustion engine. The algorithms are applied to a measurement of engine angular velocity obtained by means of an inexpensive nonconlacting sensor, and are broadly applicable to many classes of internal combustion engines, including spark and compression ignition engines.The computational efficiency of the algorithms is such that the onboard implementation of these diagnostic procedures is certainly feasible with currently employed microprocessors.Experimental work conducted on production vehicles has confirmed that it is possible to apply these algorithms with minimal hardware and computational overhead.


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    Titel :

    Diagnosis of individual Cylinder Misfires by Signature Analysis of Crankshaft Speed Fluctuations


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Rizzoni, G. (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1989



    Erscheinungsdatum :

    1989-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Diagnosis of Individual Cylinder Misfires by Signature Analysis of Crankshaft Speed Fluctuations

    Rizzoni,G. / Univ.of Michigan,Ann Arbor,US | Kraftfahrwesen | 1989


    Onboard Diagnosis of Engine Misfires

    Rizzoni, Giorgio / Ribbens, William B. | SAE Technical Papers | 1990


    Onboard diagnosis of engine misfires

    Ribbens, W.B. / Rizzoni, G. | Tema Archiv | 1990


    Determination of Engine Cylinder Pressures from Crankshaft Speed Fluctuations

    Brown, Terrence S. / Neill, W. Stuart | SAE Technical Papers | 1992


    Determination of engine cylinder pressure from crankshaft speed fluctuations

    Brown,T.S. / Neill,W.S. / National Reseach Council of Canada,CA et al. | Kraftfahrwesen | 1992