Chaos Research of Vehicle Spacing in Signalized Intersection
Publication: International Conference on Transportation Engineering 2007
Abstract
The paper uses close-range photogrammetry method to collect the 10154 data records of vehicle spacing when 34 vehicles pass a signalized intersection. Through the research of the collected data, it shows that vehicle spacing varies as well as inclines to some stable scope. This explains the drivers of following vehicle cannot exactly judge the vehicle spacing and the drivers cannot exactly keep the strength of stepping on the gas. So the actual vehicle spacing always oscillates near the expected vehicle spacing and seldom maintains the expected distance. By analyzing collected one-dimension time sequence data of vehicle spacing, by using reconstitution phase space method and calculating Lyapunov exponent, the chaotic status of vehicle spacing when vehicles passing the signalized intersection is proved qualitatively and quantitatively.
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Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Continuum mechanics
- Data collection
- Driver behavior
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Geomatics
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Intersections
- Methodology (by type)
- Motion (dynamics)
- Oscillations
- Photogrammetry
- Research methods (by type)
- Solid mechanics
- Spacing
- Surveying methods
- Traffic engineering
- Traffic management
- Traffic signals
- Transportation engineering
- Vehicles
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