We consider the problem of controlling Connected and Automated Vehicles (CAVs) traveling through a three-entry roundabout so as to jointly minimize the travel time and energy consumption while providing speed-dependent safety guarantees and satisfying velocity and acceleration constraints. We first design a systematic approach to dynamically determine all conflicting CAVs defining the safety constraints under different CAV sequencing policies. A joint optimal control and barrier function (OCBF) method is then applied to efficiently obtain a controller that optimally tracks the unconstrained optimal control solution while guaranteeing the satisfaction of all constraints. Simulation experiments performed to compare the OCBF controller to a baseline of human-driven vehicles show its effectiveness under different roundabout configurations and sequencing policies.


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    Titel :

    Decentralized Time and Energy-Optimal Control of Connected and Automated Vehicles in a Roundabout


    Beteiligte:
    Xu, Kaiyuan (Autor:in) / Cassandras, Christos G. (Autor:in) / Xiao, Wei (Autor:in)


    Erscheinungsdatum :

    19.09.2021


    Format / Umfang :

    341832 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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