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The Many Roles of the Relaxation time Parameter in Force based Models of Pedestrian Dynamics
Swedish National Road and Transport Research Institute, Society, environment and transport, Traffic analysis and logistics. Linköpings Universitet.
Delft University of Technology.
Delft University of Technology.
Delft University of Technology.
2014 (English)In: Transportation Research Procedia, ISSN 2352-1465, Vol. 2, 300-308 p.Article in journal (Refereed) Published
Abstract [en]

In force based models of pedestrian traffic, the relaxation time, τ, is related to the time it takes a pedestrian to adapt its motion to its preferences. An example of this is linear acceleration, but τ is also connected to how the agent adjusts to spatial variations in its preferred velocity, and affects evasive maneuvers. These many roles of τ may be a problem when calibrating force based models.

We compare linear acceleration, to new data on, and simulations of, turning movements. The results indicate that the models predict drifting of a magnitude that is not supported by the data.

Place, publisher, year, edition, pages
2014. Vol. 2, 300-308 p.
Keyword [en]
Pedestrian, Mathematical model, Moving, Speed
National Category
Transport Systems and Logistics
Research subject
10 Road: Transport, society, policy and planning, 113 Road: Cycling, walking and moped transport; 20 Road: Traffic engineering, 25 Road: Traffic theory
Identifiers
URN: urn:nbn:se:vti:diva-7922DOI: 10.1016/j.trpro.2014.09.057OAI: oai:DiVA.org:vti-7922DiVA: diva2:819052
Conference
The Conference on Pedestrian and Evacuation Dynamics 2014 (PED 2014), 22-24 October 2014, Delft, The Netherlands
Available from: 2015-06-09 Created: 2015-06-09 Last updated: 2016-08-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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