Nonliner analysis of a synthesized optimal velocity model for traffic flow

被引：0

作者：

Zhu Wen-Xing ^{[1
,2
]}

Jia Lei ^{[1
]}

机构：

[1] Shandong Univ, Sch Control Sci & Engn, Jinan 250061, Peoples R China

[2] Shanghai Jiao Tong Univ, Dept Automat, Shanghai, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2008年 / 50卷 / 02期

基金：

中国国家自然科学基金;

关键词：

multi-interaction; nonlinear analysis; modified KdV equation; SOVF;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We analyze a new car-following model described by a differential-difference equation with a synthesized optimal velocity function (SOVF), which depends on the front interactions between every two adjacent vehicles instead of the weighted average headway. The model is analyzed with the use of the linear stability theory and nonlinear analysis method. The stability and neutral stability condition are obtained. We also derive the modified KdV (Korteweg-de Vries) equation and the kink-antikink soliton solution near the critical point. A simulation is conducted with integrating the differential-difference equation by the Euler scheme. The results of the numerical simulation verify the validity of the new model.

引用

页码：505 / 510

页数：6

共 50 条

[1] Nonliner Analysis of a Synthesized Optimal Velocity Model for Traffic Flow
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[J]. Communications in Theoretical Physics, 2008, 50 (08) : 505 - 510
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