An Agent-Based Simulation Model of Pedestrian Evacuation Based on Bayesian Nash Equilibrium

Yiyu Wang (), Jiaqi Ge () and Alexis Comber ()
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Yiyu Wang: http://environment.leeds.ac.uk/geography/pgr/9598/yiyu-wang
Jiaqi Ge: https://environment.leeds.ac.uk/geography/staff/2702/jiaqi-ge
Alexis Comber: https://environment.leeds.ac.uk/geography/staff/1020/professor-lex-comber

Journal of Artificial Societies and Social Simulation, 2023, vol. 26, issue 3, 6

Abstract: This research incorporates Bayesian game theory into pedestrian evacuation in an agent-based model. Three pedestrian behaviours were compared: Random Follow, Shortest Route and Bayesian Nash Equilibrium (BNE), as well as combinations of these. The results showed that BNE pedestrians were able to evacuate more quickly as they predict congestion levels in their next step and adjust their directions to avoid congestion, closely matching the behaviours of evacuating pedestrians in reality. A series of simulation experiments were conducted to evaluate whether and how BNE affects pedestrian evacuation procedures. The results showed that: 1) BNE has a large impact on reducing evacuation time; 2) BNE pedestrians displayed more intelligent and efficient evacuating behaviours; 3) As the proportion of BNE users rises, average evacuation time decreases, and average comfort level increases. A detailed description of the model and relevant experimental results is provided in this paper. Several limitations as well as further works are also identified.

Keywords: Bayesian Nash Equilibrium; Pedestrian Modelling; Crowd Simulation; Game Theory; Agent-Based Simulations (search for similar items in EconPapers)
Date: 2023-06-30
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Persistent link: https://EconPapers.repec.org/RePEc:jas:jasssj:2022-93-2

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