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Leading Cruise Control in Mixed Traffic Flow

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Document pages: 7 pages

Abstract: Vehicle-to-vehicle (V2V) communications have a great potential to improvetraffic system performance. Most existing work of connected and autonomousvehicles (CAVs) focused on adaptation to downstream traffic conditions,neglecting the impact of CAVs behaviors on upstream traffic flow. In thispaper, we introduce a notion of Leading Cruise Control (LCC) that retains thebasic car-following operation and explicitly considers the influence of theCAV s actions on the vehicles behind. We first present a detailed modelingprocess for LCC. Then, rigorous controllability analysis verifies thefeasibility of exploiting the CAV as a leader to actively lead the motion ofits following vehicles. Besides, the head-to-tail transfer function is derivedfor LCC under adequate employment of V2V connectivity. Numerical studiesconfirm the potential of LCC to strengthen the capability of CAVs insuppressing traffic instabilities and smoothing traffic flow.

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