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arXiv 0801.3785physics.soc-ph
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描述冲突交通流的非对称简单排除过程

Asymmetric simple exclusion process describing conflicting traffic flows

M. Ebrahim Foulaadvand, Mehdi Neek-Amal

摘要:

我们使用非对称简单排除过程来描述两条街道交叉口的车辆交通流。没有交通灯控制交通流量。驶近交叉点的汽车互相让行以避免碰撞。通过对两条街道的交叉点实施排斥过程,对这种屈服动力学进行建模。封闭边界条件应用于街道。我们利用平均场方法和广泛的模拟,以找到模型的特性。特别是,我们得到的基本图,并表明链之间的相互作用的效果可以被视为一个动态杂质的交点。

英文摘要:

We use the asymmetric simple exclusion process for describing vehicular traffic flow at the intersection of two streets. No traffic lights control the traffic flow. The approaching cars to the intersection point yield to each other to avoid collision. This yielding dynamics is model by implementing exclusion process to the intersection point of the two streets. Closed boundary condition is applied to the streets. We utilize both mean-field approach and extensive simulations to find the model characteristics. In particular, we obtain the fundamental diagrams and show that the effect of interaction between chains can be regarded as a dynamic impurity at the intersection point.

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