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Modeling walking behavior of pedestrian groups with floor field cellular automaton approach |
Lu Li-Li (陆丽丽)a b, Ren Gang (任刚)a b, Wang Wei (王炜)a b, Wang Yi (王义)a b |
a Jiangsu Key Laboratory of Urban ITS, Southeast University, Nanjing 210096, China; b Jiangsu Provincial Collaborative Innovation Center of Modern Urban Traffic Technologies, Nanjing 210096, China |
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Abstract Walking in groups is very common in a realistic walking environment. An extended floor field cellular automaton (CA) model is therefore proposed to describe the walking behavior of pedestrian groups. This model represents the motion of pedestrian groups in a realistic way. The simulation results reveal that the walking behavior of groups has an important but negative influence on pedestrian flow dynamics, especially when the density is at a high level. The presence of pedestrian groups retards the emergence of lane formation and increases the instability of operation of pedestrian flow. Moreover, the average velocity and volume of pedestrian flow are significantly reduced due to the group motion. Meanwhile, the parameter-sensitive analysis suggests that pedestrian groups should make a compromise between efficient movement and staying coherent with a certain spatial structure when walking in a dense crowd.
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Received: 21 March 2014
Revised: 24 April 2014
Accepted manuscript online:
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PACS:
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89.40.Bb
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(Land transportation)
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02.50.Cw
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(Probability theory)
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05.45.Pq
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(Numerical simulations of chaotic systems)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 51278101 and 51338003), the Specialized Research Fund for the Doctoral Program of Higher Education, China (Grant No. 20120092110043), and the Scientific Innovation Research Project of College Graduate in Jiangsu Province, China (Grant No. CXZZ13_0117). |
Corresponding Authors:
Ren Gang
E-mail: rengang@seu.edu.cn
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Cite this article:
Lu Li-Li (陆丽丽), Ren Gang (任刚), Wang Wei (王炜), Wang Yi (王义) Modeling walking behavior of pedestrian groups with floor field cellular automaton approach 2014 Chin. Phys. B 23 088901
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