An algorithm to detect knock location was developed, utilizing differences in the arrival time of the presure wave by knocking between 5 pressure sensors in the combustion chamber of a gasoline engine. In this algorithm, the time differences were derived from time-frequency analysis of the Fourier spectrum with an accuracy of several microseconds. Furthermore, calculation of knock location by the least square method correlated with the results of the experiment with minimum error. It was applied under certain conditions in a single cylinder engine, and knock locations were determined for both homogenous and stratified combustion.


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    Titel :

    Detection of knock location by multipoint pressure measurement


    Weitere Titelangaben:

    Klopfortung durch Mehrstellen-Druckmessung


    Beteiligte:
    Kinoshita, Masao (Autor:in) / Ebina, Masaki (Autor:in) / Nomura, Yoshihiro (Autor:in) / Koike, Makoto (Autor:in) / Shimizu, Rio (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    7 Seiten, 14 Bilder, 2 Tabellen, 8 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    The Detection of Knock Location by Multipoint Pressure Measurement

    Ebina, M. / Kinoshita, M. / Nomura, Y. et al. | British Library Online Contents | 2008


    The Detection of Knock Location by Multipoint Pressure Measurement

    Ebina, M. / Kinoshita, M. / Nomura, Y. et al. | British Library Conference Proceedings | 2008


    Pressure-Based Knock Measurement Issues

    Shahlari, Arsham J. / Ghandhi, Jaal | British Library Conference Proceedings | 2017


    Pressure-Based Knock Measurement Issues

    Shahlari, Arsham J. / Ghandhi, Jaal | SAE Technical Papers | 2017