An extended car-following model accounting for the average headway effect in intelligent transportation system

Hua Kuang, Zhi-Peng Xu, Xing-Li Li and Siu-Ming Lo

Physica A: Statistical Mechanics and its Applications, 2017, vol. 471, issue C, 778-787

Abstract: In this paper, an extended car-following model is proposed to simulate traffic flow by considering average headway of preceding vehicles group in intelligent transportation systems environment. The stability condition of this model is obtained by using the linear stability analysis. The phase diagram can be divided into three regions classified as the stable, the metastable and the unstable ones. The theoretical result shows that the average headway plays an important role in improving the stabilization of traffic system. The mKdV equation near the critical point is derived to describe the evolution properties of traffic density waves by applying the reductive perturbation method. Furthermore, through the simulation of space–time evolution of the vehicle headway, it is shown that the traffic jam can be suppressed efficiently with taking into account the average headway effect, and the analytical result is consistent with the simulation one.

Keywords: Car-following model; Average headway; Intelligent transportation system; MKdV equation (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:471:y:2017:i:c:p:778-787

DOI: 10.1016/j.physa.2016.12.022

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