首页|Non-monotonic behavior of jam probability and stretched exponential distribution in pedestrian counterflow

Non-monotonic behavior of jam probability and stretched exponential distribution in pedestrian counterflow

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We adopt a floor field cellular automata model to study the statistical properties of bidirectional pedestrian flow mov-ing in a straight corridor.We introduce a game-theoretic framework to deal with the conflict of multiple pedestrians trying to move to the same target location.By means of computer simulations,we show that the complementary cumulative distri-bution of the time interval between two consecutive pedestrians leaving the corridor can be fitted by a stretched exponential distribution,and surprisingly,the statistical properties of the two types of pedestrian flows are affected differently by the flow ratio,i.e.,the ratio of the pedestrians walking toward different directions.We also find that the jam probability exhibits a non-monotonic behavior with the flow ratio,where the worst performance arises at an intermediate flow ratio of around 0.2.Our simulation results are consistent with some empirical observations,which suggest that the peculiar characteristics of the pedestrians may attributed to the anticipation mechanism of collision avoidance.

traffic and crowd dynamicsevolutionary game theory

陈泽昊、吴枝喜、关剑月

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College of Physical Science and Technology,Guangxi Normal University,Guilin 541004,China

Lanzhou Center for Theoretical Physics,Key Laboratory of Theoretical Physics of Gansu Province,and Key Laboratory for Quantum Theory and Applications of the Ministry of Education,Lanzhou University,Lanzhou 730000,China

Project support by the National Natural Science Foundation of ChinaProject support by the National Natural Science Foundation of China111 ProjectFundamental Research Funds for the Central Universities of Ministry of Education of ChinaFundamental Research Funds for the Central Universities of Ministry of Education of ChinaFundamental Research Funds for the Central Universities of Ministry of Education of China

1197511112247101B20063lzujbky-2019-85lzujbky-2023-ey02lzujbky-2024-11

2024

10.1088/1674-1056/ad57ab

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(9)