Multiple density difference effect in the two-lane lattice hydrodynamic model

被引：14

作者：

Wang, Yan-Hong ^{[1
,2
]}

Gao, Zi-You ^{[1
]}

Zhao, Xiao-Mei ^{[1
]}

Xie, Dong-Fan ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Sch Traff & Transportat, Inst Syst Sci, Beijing 100044, Peoples R China

[2] Henan Polytechn Univ, Sch Math & Informat Sci, Jiaozuo 454000, Peoples R China

来源：

NONLINEAR DYNAMICS | 2015年 / 79卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Multiple density difference; Lattice hydrodynamic model; Traffic flow; mKdV equation; Energy consumption; Traffic emission; CAR-FOLLOWING MODEL; OPTIMAL VELOCITY MODEL; TRAFFIC FLOW; JAMMING TRANSITION; CONTINUUM MODEL; STABILIZATION; STABILITY; EMISSION; DYNAMICS; EQUATION;

D O I：

10.1007/s11071-014-1788-0

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents a new lattice model by considering the multiple density difference effect in the two-lane traffic systems. We derive the stability condition and the mKdV equation near the critical point by the linear and nonlinear analysis, respectively. The results of the theoretical analysis manifest that the stable region is enlarged and traffic congestion is suppressed. Also, energy consumption and traffic emission are analyzed and are reduced by multiple density difference effect. The reason is that with considering more vehicles, more comprehensive information could be obtained for drivers to increase speed. This will be helpful to enhance the stability and reduce energy consumption as well as traffic emission. Numerical simulations validate theoretical analysis. We also discover that multiple density difference effect of three sites ahead is enough to improve traffic flow.

引用

页码：1991 / 2003

页数：13

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