Analysis of stability and density waves of traffic flow model in an ITS environment

Z.-P. Li () and Y.-C. Liu

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 53, issue 3, 367-374

Abstract: By introducing relative velocities of arbitrary number of cars ahead into the full velocity difference models (FVDM), we present a forward looking relative velocity model (FLRVM) of cooperative driving control system. To our knowledge, the model is an improvement over the similar extension in the forward looking optimal velocity models (FLOVM), because it is more reasonable and realistic in implement of incorporating intelligent transportation system in traffic. Then the stability criterion is investigated by the linear stability analysis with finding that new consideration theoretically lead to the improvement of the stability of traffic flow, and the validity of our theoretical analysis is confirmed by direct simulations. In addition, nonlinear analysis of the model shows that the three waves: triangular shock wave, soliton wave and kink-antikink wave appear respectively in stable, metastable and unstable regions. These correspond to the solutions of the Burgers equation, Korteweg-de Vries (KdV) equation and modified Korteweg-de Vries (mKdV) equation. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 89.40.-a Transportation, 64.60.Cn Order-disorder transformations; statistical mechanics of modelsystems, 02.60.Cb Numerical simulation; solution of equations, 05.70.Fh Phase transitions: general studies, (search for similar items in EconPapers)
Date: 2006
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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DOI: 10.1140/epjb/e2006-00382-7

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