无信号交叉口的车辆交通流
Vehicular traffic flow at a non-signalised intersection
摘要：
本文提出了一种改进的Nagel-Schreckenberg元胞自动机模型，用于描述两条街道交叉口的冲突车辆交通流。没有交通灯控制交通流量。驶近十字路口的汽车互相让一让以避免碰撞。封闭边界条件应用于街道。广泛的蒙特卡罗模拟考虑到找到模型的特点。特别是，我们得到的基本图表，并表明，两条街道的相互作用的效果可以被视为一个动态杂质位于交叉点。我们的研究结果表明，屈服机制引起了整个交叉口，特别是在低密度政权高的总流量。在某些密度范围内，与没有垂直流动相比，屈服机制甚至改善和调节流动。
英文摘要：
We have developed a modified Nagel-Schreckenberg cellular automata model for describing a conflicting vehicular traffic flow at the intersection of two streets. No traffic lights control the traffic flow. The approaching cars to the intersection yield to each other to avoid collision. Closed boundary condition is applied to the streets. Extensive Monte Carlo simulations is taken into account to find the model characteristics. In particular, we obtain the fundamental diagrams and show that the effect of interaction of two streets can be regarded as a dynamic impurity located at the intersection point. Our results suggest that yielding mechanism gives rise to a high total flow throughout the intersection especially in the low density regime. In some ranges of densities, yielding mechanism even improves and regulates the flow in comparison to the absence of perpendicular flow.
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