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

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 sche...

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Published inPhysica A Vol. 575; p. 126055
Main Authors Liu, Huaqing, Jiang, Rui
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2021
Subjects
Online AccessGet full text
ISSN0378-4371
1873-2119
DOI10.1016/j.physa.2021.126055

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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.
AbstractList 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.
ArticleNumber 126055
Author Jiang, Rui
Liu, Huaqing
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Keywords Cooperative adaptive cruise control (CACC)
Virtual vehicles
Comfort
Lane drop
Language English
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Snippet 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...
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elsevier
SourceType Enrichment Source
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StartPage 126055
SubjectTerms Comfort
Cooperative adaptive cruise control (CACC)
Lane drop
Virtual vehicles
Title Improving comfort level in traffic flow of CACC vehicles at lane drop on two-lane highways
URI https://dx.doi.org/10.1016/j.physa.2021.126055
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