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Improving comfort level in traffic flow of CACC vehicles at lane drop on two-lane highways

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  • Liu, Huaqing
  • Jiang, Rui

Abstract

This paper studies traffic flow of cooperative adaptive cruise control (CACC) vehicles at lane drop on two-lane highways. A constant time gap algorithm has been used for the upper level longitudinal control of the CACC vehicles. In the control zone upstream of the lane drop, a heuristic control scheme of the CACC vehicles has been used, in which virtual leading vehicle has been introduced by mapping a vehicle on the neighboring lane to the present lane. To improve the passenger comfort, a restriction of the command acceleration caused by virtual leading vehicle, denoted as acmd,lim, has been introduced. It is shown that with the decrease of |acmd,lim|, while the capacity does not change, the comfort of passengers significantly improves.

Suggested Citation

  • Liu, Huaqing & Jiang, Rui, 2021. "Improving comfort level in traffic flow of CACC vehicles at lane drop on two-lane highways," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 575(C).
    • Handle: RePEc:eee:phsmap:v:575:y:2021:i:c:s0378437121003289
    DOI: 10.1016/j.physa.2021.126055
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    References listed on IDEAS

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