Highlights A novel string stability criterion by dividing a mixed vehicular platoon into multiple interconnected sub-systems. A practical string stability criterion for a mixed vehicular platoon over predominant acceleration frequency boundaries. A new CAV control strategy incorporating human-driven vehicles’ car following characteristics. A new CAV control strategy to stabilize mixed vehicular platoons with guaranteed feasibility.

    Abstract This paper presents a car-following control strategy of connected automated vehicles (CAVs) to stabilize a mixed vehicular platoon consisting of CAVs and human-driven vehicles. This study first establishes a string stability criterion for a mixed vehicular platoon. Specifically, a mixed vehicular platoon is decomposed into “subsystems” that are all possible sequential subsets of the platoon. String stability is then defined as the “head-to-tail” string stability for all subsystems: the magnitude of a disturbance is not amplified from the first vehicle to the last vehicle of each subsystem. Based on this definition, distributed frequency-domain-based CAV control is proposed to increase the number of head-to-tail string stable subsystems and consequently dampen stop-and-go disturbances drastically. Specifically, an H-infinity control problem is formulated, where the maximum disturbance “damping ratios” in each subsystem is minimized within the predominant acceleration frequency boundaries of human-driven vehicles. Simulation experiments, embedded with real human-driven vehicle trajectories, were conducted, and results show that the proposed control can effectively dampen stop-and-go disturbances.


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    Titel :

    Stabilizing mixed vehicular platoons with connected automated vehicles: An H-infinity approach


    Beteiligte:
    Zhou, Yang (Autor:in) / Ahn, Soyoung (Autor:in) / Wang, Meng (Autor:in) / Hoogendoorn, Serge (Autor:in)


    Erscheinungsdatum :

    2019-06-11


    Format / Umfang :

    19 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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