Torque based engine control seems to be the trend for the future for powertrain management (automatic gearbox, hybrid vehicles).Today, torque estimation is best achieved using cylinder pressure transducers. This paper proposes a method to achieve a good accuracy of the torque using Bézier curves to reconstruct the cylinder pressure peak from the low frequency embedded pressure measurements.As is, IMEP cannot be used on a cycle to cycle basis for engine torque control, due to the very high cycle to cycle variability of SI engines. To improve the quality of the IMEP feedback data, this paper proposes a moving horizon filtering method.


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    Titel :

    High Frequency IMEP Estimation and Filtering for Torque Based SI Engine Control


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Charlet, A. (Autor:in) / Higelin, P. (Autor:in) / Jaine, T. (Autor:in) / Chamaillard, Y. (Autor:in)

    Kongress:

    SAE 2002 World Congress & Exhibition ; 2002



    Erscheinungsdatum :

    04.03.2002




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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