Eco-driving technologies are able to largely reduce the fuel consumption of ground vehicles. This paper presents how to determine the fuel-optimized operating strategies of passenger cars under cruising process. The design naturally casts into an optimal control problem with the S-shaped engine fueling rate as the integrand of cost function. The solutions are numerically solved by the Legendre pseudospectral method, of which many are found to demonstrate periodic behaviors. In the periodic operation, the engine switches between the minimum brake specific fuel consumption (BSFC) point and the idling point, while the vehicle speed oscillates between its upper and lower bounds. The formation of periodic operation are analyzed and explained by the π-test theory and steady state analysis method.


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    Titel :

    Periodicity based cruising control of passenger cars for optimized fuel consumption


    Beteiligte:
    Li, Shengbo Eben (Autor:in) / Xu, Shaobing (Autor:in) / Li, Guofa (Autor:in) / Cheng, Bo (Autor:in)


    Erscheinungsdatum :

    01.06.2014


    Format / Umfang :

    647908 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch