Flow difference effect in the two-lane lattice hydrodynamic model

doi:10.1088/1674-1056/21/7/070507

Abstract By introducing a flow difference effect, a modified lattice two-lane traffic flow model is proposed, which is proved to be capable of improving the stability of traffic flow. Both the linear stability condition and the kink--antikink solution derived from the modified Korteweg--de Vries (mKdV) equation are analyzed. Numerical simulations verify the theoretical analysis. Furthermore, the evolution laws under different disturbances in the metastable region is studied.

Keywords: traffic flow flow difference lattice hydrodynamic model modified Korteweg--de VriesKdV equation

Received: 07 December 2011
Revised: 06 January 2012
Accepted manuscript online:

PACS:	05.70.Fh	(Phase transitions: general studies)
	05.70.Jk	(Critical point phenomena)
	64.60.F-	(Equilibrium properties near critical points, critical exponents)

Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB725400), the National Natural Science Foundation of China (Grant Nos. 71131001, 71071012, and 11001143), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2011YJS235).

Corresponding Authors: Gao Zi-You
E-mail: zygao@bjtu.edu.cn

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Wang Tao(王涛), Gao Zi-You(高自友), Zhao Xiao-Mei(赵小梅), Tian Jun-Fang(田钧方), and Zhang Wen-Yi(张文义) Flow difference effect in the two-lane lattice hydrodynamic model 2012 Chin. Phys. B 21 070507

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Flow difference effect in the two-lane lattice hydrodynamic model

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