In order to mitigate the comfort problems during a vehicle warm-up, the vehicles propelled by high-efficiency engines are increasingly equipped with auxiliary heaters. Although the usage of an auxiliary heater improves engine efficiency during warm-up, a higher total fuel consumption results in general. In this paper, an optimal, model-based feedback control law for the optimal operation of a fuel-fired heater with respect to passenger comfort and fuel economy is derived. To this end, a control-oriented mathematical model of the system is established, calibrated, and validated. Based on this model, an optimal control problem is formulated and solved. In simulation studies, the functionality of the resulting optimal controller is demonstrated, and its superiority to the state-of-the-art control laws is assessed.


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    Titel :

    Optimal control of a fuel-fired auxiliary heater for an improved passenger vehicle warm-up


    Weitere Titelangaben:

    Optimalregelung eines mit Kraftstoff betriebenen Hilfsheizgeräts für verbesserte Kraftfahrzeugheizung


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    12 Seiten




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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