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A model for simulation and generation of surrounding vehicles in driving simulators
Linköpings universitet, Kommunikations- och transportsystem.ORCID iD: 0000-0002-0336-6943
2005 (English)Licentiate thesis, monograph (Other academic)
Abstract [en]

Driving simulators are used to conduct experiments on for example driver behavior, road design, and vehicle characteristics. The results of the experiments often depend on the traffic conditions. One example is the evaluation of cellular phones and how they affect driving behavior. It is clear that the ability to use phones when driving depends on traffic intensity and composition, and that realistic experiments in driving simulators therefore has to include surrounding traffic.

This thesis describes a model that generates and simulates surrounding vehicles for a driving simulator. The proposed model generates a traffic stream, corresponding to a given target flow and simulates realistic interactions between vehicles. The model is built on established techniques for time-driven microscopic simulation of traffic and uses an approach of only simulating the closest neighborhood of the driving simulator vehicle. In our model this closest neighborhood is divided into one inner region and two outer regions. Vehicles in the inner region are simulated according to advanced behavioral models while vehicles in the outer regions are updated according to a less time-consuming model. The presented work includes a new framework for generating and simulating vehicles within a moving area. It also includes the development of enhanced models for car-following and overtaking and a simple mesoscopic traffic model.

The developed model has been integrated and tested within the VTI Driving simulator III. A driving simulator experiment has been performed in order to check if the participants observe the behavior of the simulated vehicles as realistic or not. The results were promising but they also indicated that enhancements could be made. The model has also been validated on the number of vehicles that catches up with the driving simulator vehicle and vice versa. The agreement is good for active and passive catch-ups on rural roads and for passive catch-ups on freeways, but less good for active catch-ups on freeways.

Place, publisher, year, edition, pages
Institutionen för teknik och naturvetenskap , 2005. , 118 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1203
Series
LiU-TEK-LIC, ISSN 0280-7971 ; 2005:58
Keyword [en]
Traffic, Simulation, Model, Traffic flow, Vehicle, Micro, Overtaking, Vehicle spacing, Deceleration, Acceleration, Mathematical model, Simulator
National Category
Engineering and Technology
Research subject
Road: Traffic engineering, Road: Traffic theory
Identifiers
URN: urn:nbn:se:vti:diva-193ISBN: 91-85457-51-5 (print)OAI: oai:DiVA.org:vti-193DiVA: diva2:687682
Presentation
2005-10-28, K3, Kåkenhus, Campus Norrköping, 10:15 (English)
Opponent
Supervisors
Available from: 2014-01-15 Created: 2013-10-16 Last updated: 2014-03-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • Other locale
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Output format
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