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The impact of potential crowd behaviours on emergency evacuation: an evolutionary game theoretic approach

Mohd Ibrahim, Azhar and Venkat, Ibrahim and De Wilde, Philippe (2019) The impact of potential crowd behaviours on emergency evacuation: an evolutionary game theoretic approach. Journal of Artificial Societies and Social Simulation, 22 (1). pp. 1-15. ISSN 1460-7425

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Crowd dynamics have important applications in evacuation management systems relevant to organizing safer large scale gatherings. For crowd safety, it is very important to study the evolution of potential crowd behaviours by simulating the crowd evacuation process. Planning crowd control tasks by studying the impact of crowd behaviour evolution towards evacuation could mitigate the possibility of crowd disasters. During a typical emergency evacuation scenario, conflict among agents occurs when agents intend to move to the same location as a result of the interaction with their nearest neighbours. The e�ect of the agent response towards their neighbourhood is vital in order to understand the e�ect of variation of crowd behaviour on the whole environment. In this work, we model crowd motion subject to exit congestion under uncertainty conditions in a continuous space via computer simulations. We model best-response, risk-seeking, risk-averse and risk-neutral behaviours of agents via certain game theoretic notions. We perform computer simulations with heterogeneous populations in order to study the e�ect of the evolution of agent behaviours towards egress flow under threat conditions. Our simulation results show the relation between the local crowd pressure and the number of injured agents. We observe that when the proportion of agents in a population of risk-seeking agents is increased, the average crowd pressure, average local density and the number of injured agents increases. Besides that, based on our simulation results, we can infer that crowd disasters could be prevented if the agent population consists entirely of risk-averse and risk-neutral agents despite circumstances that lead to threats.

Item Type: Article (Journal)
Additional Information: 8484/69305
Uncontrolled Keywords: Simulation of dynamic systems, Multi-agent systems, Agent-based models, Dynamic games
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices > TK7885 Computer engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Dr Azhar Mohd Ibrahim
Date Deposited: 18 Feb 2019 11:13
Last Modified: 12 Jul 2019 16:46
URI: http://irep.iium.edu.my/id/eprint/69305

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