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

Huaqing Liu and Rui Jiang

Physica A: Statistical Mechanics and its Applications, 2021, vol. 575, issue C

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.

Keywords: Cooperative adaptive cruise control (CACC); Lane drop; Virtual vehicles; Comfort (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:575:y:2021:i:c:s0378437121003289

DOI: 10.1016/j.physa.2021.126055

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