Due to demanding legislation on exhaust emissions for internal combustion engines and increasing fuel prices, automotive manufacturers have focused their efforts on optimizing turbocharging systems. Turbocharger system control optimization is difficult: Unsteady flow conditions combined with not very accurate compressor maps make the real time turbocharger rotational speed one of the most important quantities in the optimization process. This work presents a methodology designed to obtain the turbocharger rotational speed via vibration analysis. Standard knock sensors have been employed in order to achieve a robust and accurate, yet still a low-cost solution capable of being mounted on-board. Results show that the developed method gives an estimation of the turbocharger rotational speed, with errors and accuracy acceptable for the proposed application. The method has been evaluated on a heavy duty diesel engine.


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    Titel :

    Turbocharger Speed Estimation via Vibration Analysis


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Cronhjort, Andreas (Autor:in) / Crescenzo, Domenico (Autor:in) / Lycke, Eric (Autor:in) / Wu, Hongwen (Autor:in) / Arco Sola, Javier (Autor:in) / Stenlaas, Ola (Autor:in) / Leufven, Oskar (Autor:in) / Olsson, Viktor (Autor:in)

    Kongress:

    SAE 2016 World Congress and Exhibition ; 2016



    Erscheinungsdatum :

    2016-04-05




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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