Car-Following Model at Signalized Intersections Considering Driver’s Estimation of Traffic Dynamics
Publication: CICTP 2023
ABSTRACT
To investigate the influence of traffic dynamics of the signalized intersection on car-following behavior, a novel model considering the driver’s estimation of traffic dynamics is proposed. Firstly, two patterns of car-following behavior under different traffic conditions are derived according to the two-dimensional distribution characteristics of acceleration and velocity difference processed from high-precision vehicle trajectory data extracted from UAV footage. Secondly, two parameters are introduced to the full velocity difference model (FVDM) to describe the driver’s perception, estimate the traffic dynamics at signalized intersections, and propose an extended car-following model at signalized intersections (SI-FVDM). Based on the linear stability analysis theory, the stability conditions of the SI-FVDM are derived. Finally, the parameters of the original and extended models are calibrated and verified through simulation experiments. The results show that the SI-FVDM has a larger stability regime than the FVDM, and the simulation results are consistent with the theoretical stability conditions.
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Published online: Aug 30, 2023
ASCE Technical Topics:
- Driver behavior
- Engineering fundamentals
- Fluid dynamics
- Fluid mechanics
- Highway and road management
- Highway transportation
- Highways and roads
- Hydrologic engineering
- Infrastructure
- Intersections
- Linear analysis
- Mathematics
- Models (by type)
- Parameters (statistics)
- Statistics
- Structural analysis
- Structural engineering
- Traffic engineering
- Traffic management
- Traffic models
- Traffic signals
- Transportation engineering
- Velocity distribution
- Water and water resources
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