In this paper, a diagnostic method for sensors in electronically controlled internal combustion engines is presented. The proposed method incorporates a pair of state estimators, utilizing a dynamic reference model for the given internal combustion engine. It is shown that the method is computationally efficient, and hence is suited for on-board applications as well as for repair-shop apparatus. Furthermore, the method can estimate the amount of reading error in failed sensors. Therefore, partial failures can be identified and subsequently warn vehicle operators. Since the current method does not require expensive hardware duplication, it can be implemented in a large class of passenger vehicles. Other applications include, but are not limited to, real-time limp-home operation of a vehicle under partial failures, and sensor calibration during vehicle assembly.


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    Titel :

    Detection of incipient sensor failures in internal combustion engines


    Weitere Titelangaben:

    Erfassung beginnender Sensorausfaelle in Brennkraftmaschinen


    Beteiligte:
    Min, P.S. (Autor:in) / Ribbens, W.B. (Autor:in)


    Erscheinungsdatum :

    1988


    Format / Umfang :

    14 Seiten, 14 Bilder, 9 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Min,P.S. / Bell Communications Research,US | Kraftfahrwesen | 1988


    Detection of sensor failures in automotive engines

    Rizzoni, G. / Min, P.S. | Tema Archiv | 1991


    Real time detection filters for onboard diagnosis of incipient failures

    Rizzoni,G. / Hampo,R. / Liubakka,M. et al. | Kraftfahrwesen | 1989


    Real Time Detection Filters for Onboard Diagnosis of Incipient Failures

    Rizzoni, Giorgio / Marko, Kenneth / Liubakka, Michael et al. | SAE Technical Papers | 1989


    Internal Combustion Engines

    Klell, Manfred / Eichlseder, Helmut / Trattner, Alexander | Springer Verlag | 2022