期刊
PHYSICS LETTERS A
卷 376, 期 4, 页码 447-451出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2011.11.058
关键词
Traffic flow; Lattice model; Lane changing probability
资金
- Chinese Ministry of Education [211123]
- Hunan Provincial Education Department, China [10B072]
- Doctor Scientific Research Startup Project Foundation of Hunan University of Arts and Science, China [BSQD1010]
- Fund of the Key Construction Academic Subject of Hunan Province, China
A new lattice model of traffic flow is presented by taking into account the anticipation of potential lane changing on front site on single lane. The stability condition of the extended model is obtained by using the linear stability theory. The modified KdV equation near the critical point is constructed and solved through nonlinear analysis. And the phase space of traffic flow in the density-sensitivity space could be divided into three regions: stable, metastable and unstable ones, respectively. Numerical simulation also shows that the consideration of lane changing probability in lattice model can stabilize traffic flow, which implies that the new consideration has an important effect on traffic flow in lattice models. (C) 2011 Elsevier B.V. All rights reserved.
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