Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 18, Issue 3, Pages 559-566Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cnsns.2012.07.015
Keywords
Traffic flow; Lattice model; Optimal current difference
Categories
Funding
- Key Project of Chinese Ministry of Education [211123]
- Scientific Research Fund of Hunan Provincial Education Department, China [10B072]
- Doctor Startup Project Foundation of Hunan University of Arts and Science, China [BSQD1010]
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In this paper, a new lattice model of traffic flow is proposed with the consideration of the optimal current difference for two-lane system. The linear stability condition is derived through linear stability analysis, which shows that the optimal current difference term can improve the stability of traffic flow. The mKdV equation is obtained through nonlinear analysis. Thus the space of traffic flow is divided into three regions: the stable region, the metastable region and the unstable region respectively. Moreover, numerical simulation confirms that the traffic jam can be suppressed efficiently by considering the optimal current difference effect in extended lattice model of two-lane traffic flow. (C) 2012 Elsevier B.V. All rights reserved.
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