Cohorts and Groups for Safe and Efficient Autonomous Driving on Highways

Abstract : We introduce constructs aimed at reconciling safety and efficiency for ad hoc highway-centric clusters of autonomous vehicles. The cohort construct is an ad hoc variant of the platoon construct. We show how to enforce safe inter-vehicle spacing in cohorts despite inaccurate vehicle space-time coordinates and failing telemetry capabilities, via neighbor-to-neighbor beaconing based on short range unidirectional communications. Worst-case analytical results are established for safe spacing bounds. A classical spacing algorithm is revisited, and proofs of usability in a discrete time beaconing model are given. Along with the group construct, which is based on prefixing usage of sensing-based solutions with omnidirectional inter-vehicular communications, we present a categorization of safety-critical scenarios. We discuss the benefits resulting from prefixing vehicle maneuvers with vehicle role assignments in safety-critical scenarios.
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Communication dans un congrès
IEEE. VNC'11 - IEEE Vehicular Networking Conference, Nov 2011, Amsterdam, Netherlands. pp.1-8, 2011, 〈http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6117117&tag=1〉. 〈10.1109/VNC.2011.6117117〉
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Contributeur : Gérard Le Lann <>
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Gérard Le Lann. Cohorts and Groups for Safe and Efficient Autonomous Driving on Highways. IEEE. VNC'11 - IEEE Vehicular Networking Conference, Nov 2011, Amsterdam, Netherlands. pp.1-8, 2011, 〈http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6117117&tag=1〉. 〈10.1109/VNC.2011.6117117〉. 〈hal-00667366〉

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