Dynamic feature analysis in bidirectional pedestrian flows

Analysis of dynamic features of pedestrian flows is one of the most exciting topics in pedestrian dynamics. This paper focuses on the effect of homogeneity and heterogeneity in three parameters of the social force model, namely desired velocity, reaction time, and body size, on the moving dynamics of bidirectional pedestrian flows in the corridors. The speed and its deviation in free flows are investigated. Simulation results show that the homogeneous higher desired speed which is less than a critical threshold, shorter reaction time or smaller body size results in higher speed of flows. The free dynamics is more sensitive to the heterogeneity in desired speed than that in reaction time or in body size. In particular, an inner lane formation is observed in normal lanes. Furthermore, the breakdown probability and the start time of breakdown are focused on. This study reveals that the sizes of homogeneous desired speed, reaction time or body size play more important roles in affecting the breakdown than the heterogeneities in these three parameters do.

[1]  Ning Bin,et al.  A new collision avoidance model for pedestrian dynamics , 2015 .

[2]  Dirk Helbing,et al.  Simulating dynamical features of escape panic , 2000, Nature.

[3]  C. Dorso,et al.  Microscopic dynamics of pedestrian evacuation , 2005 .

[4]  Hairong Dong,et al.  Guided crowd dynamics via modified social force model , 2014 .

[5]  T. Vicsek,et al.  Simulation of pedestrian crowds in normal and evacuation situations , 2002 .

[6]  Helbing,et al.  Social force model for pedestrian dynamics. , 1995, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics.

[7]  Serge P. Hoogendoorn,et al.  Pedestrian Behavior at Bottlenecks , 2005, Transp. Sci..

[8]  Wei-Zhen Lu,et al.  Lattice hydrodynamic model with bidirectional pedestrian flow , 2009 .

[9]  Serge P. Hoogendoorn,et al.  Effects of Heterogeneity on Self-Organized Pedestrian Flows , 2009 .

[10]  Y. F. Yu,et al.  Cellular automaton simulation of pedestrian counter flow considering the surrounding environment. , 2007, Physical review. E, Statistical, nonlinear, and soft matter physics.

[11]  Xiaoping Zheng,et al.  Modeling crowd evacuation of a building based on seven methodological approaches , 2009 .

[12]  Dirk Helbing,et al.  Specification of the Social Force Pedestrian Model by Evolutionary Adjustment to Video Tracking Data , 2007, Adv. Complex Syst..

[13]  Hao Yue,et al.  Exit selection strategy in pedestrian evacuation simulation with multi-exits , 2014 .

[14]  Bin Jia,et al.  Simulation of pedestrian evacuation based on an improved dynamic parameter model , 2012 .

[15]  Xingli Li,et al.  Analysis of pedestrian dynamics in counter flow via an extended lattice gas model. , 2008, Physical review. E, Statistical, nonlinear, and soft matter physics.

[16]  Serge P. Hoogendoorn,et al.  State-of-the-art crowd motion simulation models , 2013 .

[17]  W. L. Wang,et al.  An Agent-Based Microscopic Pedestrian Flow Simulation Model for Pedestrian Traffic Problems , 2014, IEEE Transactions on Intelligent Transportation Systems.