This article describes a method for real-time integrated motion planning and control aimed at autonomous vehicles. Our method leverages feedback control, positive invariant sets, and equilibrium trajectories of the closed-loop system to produce and track trajectories that are collision-free with guarantees according to the vehicle model. Our method jointly steers the vehicle to a target region and controls the velocity while satisfying constraints associated with future motion of surrounding obstacles. We develop a receding-horizon implementation of the control policy and verify the method in both a simulated road scenario and an experimental validation using a scaled mobile robot with car-like dynamics using only onboard sensing. The results show that our method generates dynamically feasible and safe (i.e., collision-free) trajectories in real time, and indicate that the proposed planner is robust to sensing and mapping errors.


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    Titel :

    Positive Invariant Sets for Safe Integrated Vehicle Motion Planning and Control


    Beteiligte:
    Berntorp, Karl (Autor:in) / Bai, Richard (Autor:in) / Erliksson, Karl F. (Autor:in) / Danielson, Claus (Autor:in) / Weiss, Avishai (Autor:in) / Cairano, Stefano Di (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.2020


    Format / Umfang :

    4092741 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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