Evacuation Model of Emotional Contagion Crowd Based on Cellular Automata

Qian Xiao, Jiayang Li and Jorge E. Macias-Diaz

Discrete Dynamics in Nature and Society, 2021, vol. 2021, 1-18

Abstract: Crowd evacuation under emergency is an important task of world public security research and practice. In order to describe the microemotional contagion of evacuation individuals, a cellular automata-based evacuation model of emotional contagion crowd based on the classical SIS model of infectious diseases is proposed in this paper. Firstly, the state of evacuation individual is defined as “emotional susceptible†and “emotional infective.†Then, a dynamic model considering emotional contagion is established with cellular automata. Based on the models of static floor field and dynamic floor field, the emotion updating rules and state updating rules are constructed. The influence of perception domain radius on pedestrian evacuation process is analyzed through experiments. The conclusion can provide evacuation guidance for evacuation individuals. The comparative experiment results show that the improved model can reflect the movement characteristics of evacuation individuals effectively. The evacuation efficiency of the whole system is also effectively improved due to the consideration of emotional contagion and evacuation strategy.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:5549188

DOI: 10.1155/2021/5549188

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