Dynamic characteristics and simulation of traffic flow with slope

• 来源期刊: 中国物理B（英文版）
• 关键词: traffic flow perturbation stability analysis slope
• 年，卷（期）: 2009,（7）
• 页码范围: 2703-2708
• 页数: 6页
• 语种: 英文

摘要

This paper proposes a new traffic model to describe traffic flow with slope under consideration of the gravity effect. Based on the model, stability analysis is conducted and a numerical simulation is performed to explore the characteristics of the traffic flow with slope. The result shows that the perturbation of the system is an inherent one,which is induced by the slope. In addition, the hysteresis loop is represented through plotting the figure of velocity against headway and highly depends on the slope angle. The kinematic wave at high density is also obtained through reproducing the phenomenon of stop-and-go traffic, which is significant to explore the phase transition of traffic flow and the evolution of traffic congestion.