Uncertainty in a spatial evacuation model

Pedestrian movements in crowd motion can be perceived in terms of agents who basically exhibit patient or impatient behavior. We model crowd motion subject to exit congestion under uncertainty conditions in a continuous space and compare the proposed model via simulations with the classical socia...

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Main Authors:	Mohd Ibrahim, Azhar, Venkat, Ibrahim, De Wilde, Philippe
Format:	Article
Language:	English English
Published:	Elsevier 2017
Subjects:	TK7885 Computer engineering
Online Access:	http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/7/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model.pdf http://irep.iium.edu.my/64904/8/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model%20SCOPUS.pdf

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recordtype	eprints
spelling	iium-649042018-08-10T02:01:53Z http://irep.iium.edu.my/64904/ Uncertainty in a spatial evacuation model Mohd Ibrahim, Azhar Venkat, Ibrahim De Wilde, Philippe TK7885 Computer engineering Pedestrian movements in crowd motion can be perceived in terms of agents who basically exhibit patient or impatient behavior. We model crowd motion subject to exit congestion under uncertainty conditions in a continuous space and compare the proposed model via simulations with the classical social force model. During a typical emergency evacuation scenario, agents might not be able to perceive with certainty the strategies of opponents (other agents) owing to the dynamic changes entailed by the neighborhood of opponents. In such uncertain scenarios, agents will try to update their strategy based on their own rules or their intrinsic behavior. We study risk seeking, risk averse and risk neutral behaviors of such agents via certain game theory notions. We found that risk averse agents tend to achieve faster evacuation time whenever the time delay in conflicts appears to be longer. The results of our simulations also comply with previous work and conform to the fact that evacuation time of agents becomes shorter once mutual cooperation among agents is achieved. Although the impatient strategy appears to be the rational strategy that might lead to faster evacuation times, our study scientifically shows that the more the agents are impatient, the slower is the egress time. Elsevier 2017-08 Article PeerReviewed application/pdf en http://irep.iium.edu.my/64904/7/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model.pdf application/pdf en http://irep.iium.edu.my/64904/8/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model%20SCOPUS.pdf Mohd Ibrahim, Azhar and Venkat, Ibrahim and De Wilde, Philippe (2017) Uncertainty in a spatial evacuation model. Physica A: Statistical Mechanics and its Applications, 479. pp. 485-497. E-ISSN 0378-4371 https://www.sciencedirect.com/science/article/pii/S0378437117302765 10.1016/j.physa.2017.03.024
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	TK7885 Computer engineering
spellingShingle	TK7885 Computer engineering Mohd Ibrahim, Azhar Venkat, Ibrahim De Wilde, Philippe Uncertainty in a spatial evacuation model
description	Pedestrian movements in crowd motion can be perceived in terms of agents who basically exhibit patient or impatient behavior. We model crowd motion subject to exit congestion under uncertainty conditions in a continuous space and compare the proposed model via simulations with the classical social force model. During a typical emergency evacuation scenario, agents might not be able to perceive with certainty the strategies of opponents (other agents) owing to the dynamic changes entailed by the neighborhood of opponents. In such uncertain scenarios, agents will try to update their strategy based on their own rules or their intrinsic behavior. We study risk seeking, risk averse and risk neutral behaviors of such agents via certain game theory notions. We found that risk averse agents tend to achieve faster evacuation time whenever the time delay in conflicts appears to be longer. The results of our simulations also comply with previous work and conform to the fact that evacuation time of agents becomes shorter once mutual cooperation among agents is achieved. Although the impatient strategy appears to be the rational strategy that might lead to faster evacuation times, our study scientifically shows that the more the agents are impatient, the slower is the egress time.
format	Article
author	Mohd Ibrahim, Azhar Venkat, Ibrahim De Wilde, Philippe
author_facet	Mohd Ibrahim, Azhar Venkat, Ibrahim De Wilde, Philippe
author_sort	Mohd Ibrahim, Azhar
title	Uncertainty in a spatial evacuation model
title_short	Uncertainty in a spatial evacuation model
title_full	Uncertainty in a spatial evacuation model
title_fullStr	Uncertainty in a spatial evacuation model
title_full_unstemmed	Uncertainty in a spatial evacuation model
title_sort	uncertainty in a spatial evacuation model
publisher	Elsevier
publishDate	2017
url	http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/ http://irep.iium.edu.my/64904/7/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model.pdf http://irep.iium.edu.my/64904/8/64904%20Uncertainty%20in%20a%20spatial%20evacuation%20model%20SCOPUS.pdf
first_indexed	2023-09-18T21:32:07Z
last_indexed	2023-09-18T21:32:07Z
_version_	1777412580255465472

Uncertainty in a spatial evacuation model

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