A Cellular Automaton model for pedestrian counterflow with swapping

A Cellular Automaton model for pedestrian counterflow with swapping
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行人逆流交换的元胞自动机模型

DOI:
10.1016/j.physa.2017.02.008
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发表时间:
2017-06
期刊:
Physica A: Statistical Mechanics and Its Applications
影响因子:
--
通讯作者:
Dong L Y
Dong L Y
中科院分区:
其他
文献类型:
--
作者:
Tao Y Z;Dong L Y

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本文提出了一种考虑行人交换行为的层场元胞自动机(CA)模型。相反方向的相邻行人以由行人流线性密度决定的概率进行交换。为了消除低密度区域的阻塞,引入了与正常移动同时进行的交换。数值计算结果表明,基本图与实测数据吻合较好。然后将该模型应用于逆向分析,得到了自由流、车道、中间和拥塞四种典型状态。对车道形成和局部拥堵不规则切换的中间状态进行了研究。这种交换在减少交通堵塞方面起着至关重要的作用。此外,还详细讨论了廊道大小和个体视力对逆流的影响。
In this paper, we propose a new floor field Cellular Automaton (CA) model with considering the swapping behaviors of pedestrians. The neighboring pedestrians in opposite directions take swapping in a probability decided by the linear density of pedestrian flow. The swapping which happens simultaneously with the normal movement is introduced to eliminate the gridlock in low density region. Numerical results show that the fundamental diagram is in good agreement with the measured data. Then the model is applied to investigate the counterflow and four typical states such as free flow, lane, intermediate and congestion states are found. More attention is paid on the intermediate state which lane-formation and local congestions switch in an irregular manner. The swapping plays a vital role in reducing the gridlock. Furthermore, the influence of the corridor size and individual’s eyesight on counterflow are discussed in detail.
DOI: 10.1103/physreve.85.066128
发表时间: 2012-06
期刊: Physical review. E, Statistical, nonlinear, and soft matter physics
影响因子: --
作者:
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