Connected and automated vehicles (CAVs) have been recognized as providing unprecedented opportunities for substantial fuel economy improvement through CAV-based vehicle speed trajectory optimization (eco-driving). At the same time, the implications of the CAV operation on thermal responses, including those of engine and exhaust aftertreatment system, have not been fully investigated. To this end, firstly, a sequential optimization framework for vehicle speed trajectory planning and powertrain control in hybrid electric CAVs is proposed in this paper. Next, the impact of eco-driving and power split optimization on the engine and catalytic converter thermal responses, as well as on the tailpipe emissions is characterized. Despite an average 16% improvement in fuel economy through sequential optimization, this study shows that eco-driving slows down the thermal responses, which could unfavorably affect the tailpipe emissions.


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    Titel :

    Thermal Responses of Connected HEVs Engine and Aftertreatment Systems to Eco-Driving


    Beteiligte:
    Amini, Mohammad Reza (Autor:in) / Feng, Yiheng (Autor:in) / Wang, Hao (Autor:in) / Kolmanovsky, Ilya (Autor:in) / Sun, Jing (Autor:in)


    Erscheinungsdatum :

    01.08.2019


    Format / Umfang :

    1107482 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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