Abstract
In order to study the influence of cooperative behavior in the evacuation process of subway station personnel, and considering the heterogeneity of evacuees, the heterogeneous cellular automata method is adopted to establish a human evacuation model of subway station under cooperative behavior based on the floor field model. In the research process, the evacuated persons are divided into two types, which are seeking cooperation and accepting cooperation. Then, the effects of different cooperative behavior probability ratios of seeking cooperative personnel on evacuation efficiency, evacuation process, and evacuation bottleneck are analyzed through simulation. The result shows that cooperative behavior can effectively improve evacuation efficiency of the subway station, but it is limited by cooperative probability and the proportion of people seeking cooperation; Cooperative behavior plays a role in the whole evacuation process, which is mainly reflected in the later stage of evacuation and will promote the gathering of evacuees. The higher the probability of cooperation, the shorter the evacuation bottleneck formation time, the duration, and overall evacuation time, which will help improve the emergency safety of subway stations.
Highlights
Group evacuation is a complex and changeable process with many influencing factors with people and the environment, which may affect the evacuation process
The research mainly focuses on the improvement of the pedestrian dynamic model to adapt to more complex scene simulation and extract pedestrian movement rules through experiments
Wei Guo [7] proposed an improved dynamic floor field model based on non-uniform bosons
Summary
Group evacuation is a complex and changeable process with many influencing factors with people and the environment, which may affect the evacuation process. The research mainly focuses on the improvement of the pedestrian dynamic model to adapt to more complex scene simulation and extract pedestrian movement rules through experiments. They widely used simulation evacuation models like the lattice gas model, the social force model, and the cellular automata model. Considering the individual differences in the evacuation group, in this paper, we analyzed the cooperative role of different evacuees and established a heterogeneous cellular automata based personnel evacuation model, it can explore the role of cooperative behavior on the evacuation process and provide theoretical support for emergency evacuation in subway stations
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