Fast Evacuation Method: using an effective dynamic floor field based on efficient pedestrian assignment

Fernández Galán, Severino . (2019) Fast Evacuation Method: using an effective dynamic floor field based on efficient pedestrian assignment. Safety Science, 120:79-88, 2019

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Título Fast Evacuation Method: using an effective dynamic floor field based on efficient pedestrian assignment
Autor(es) Fernández Galán, Severino
Materia(s) Informática
Ingeniería Informática
Abstract The problem of pedestrian evacuation can be addressed through cellular automata incorporating a floor field that indicates promising movements to pedestrians. The two main types of floor field are the static, which represents the shortest path from each cell to an exit (and is usually combined with dynamic measures such as the density or distribution of pedestrians), and the dynamic, which represents the quickest path from each cell to an exit. The second type has been widely used recently, since it gives rise to more efficient and realistic simulations of pedestrian dynamics. The goal of these two types of floor field is to minimize the travel time for each pedestrian; however, this paper tackles the evacuation problem from a different perspective: The time taken by the whole evacuation process is optimized. For that purpose, a floor field is constructed by assigning pedestrians to exits such that the estimated time for complete evacuation is minimized. An experimental evaluation is conducted to compare the new fast evacuation method with competitive methods using floor fields based on quickest paths: Flood Fill and the Fast Marching Method. The results show that the new method is effective in terms of the number of time steps for complete evacuation and efficient regarding the total simulation runtime.
Palabras clave evacuation
cellular automata
effective floor field
efficient pedestrian assignment
Editor(es) Elsevier
Fecha 2019-12
Formato application/pdf
Identificador bibliuned:95-Sfernandez-0002
http://e-spacio.uned.es/fez/view/bibliuned:95-Sfernandez-0002
DOI - identifier https://doi.org/10.1016/j.ssci.2019.06.042
ISSN - identifier 0925-7535 - eISSN 1879-1042
Nombre de la revista Safety Science
Número de Volumen 120
Página inicial 79
Página final 88
Publicado en la Revista Safety Science, 120:79-88, 2019
Idioma eng
Versión de la publicación acceptedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales The registered version of this article, first published in Safety Science, is available online at the publisher's website: Elsevier, https://doi.org/10.1016/j.ssci.2019.06.042
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Safety Science, está disponible en línea en el sitio web del editor: Elsevier, https://doi.org/10.1016/j.ssci.2019.06.042

 
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Creado: Wed, 13 Mar 2024, 00:42:16 CET