New Application of Dynamics in Traffic Flow Research: Dynamics–Kinematics Model of Mixed Vehicle Flow
Publication: Traffic and Transportation Studies (2000)
Abstract
Kinematics is applied to studying the traffic flow in the car-following theory. But the theory can't describe the overtaking phenomenon. To solve this problem, a new approach based on dynamics and kinematics is presented in this paper. The approach adopts a spring to describe the characteristics of the acceleration and deceleration of the following vehicle under the known condition of front vehicle moving. When the distance between the front vehicle and following vehicle is greater than the balance distance of the spring, the acceleration behavior is considered as the spring extension. Contrarily, when the distance is less than the balance distance, the deceleration behavior is considered as the spring compression. Upon the analogy, a dynamics-kinematics model for mixed vehicle flow is developed. Finally, the only model parameter, spring coefficient, is calibrated by some surveyed data.
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Copyright
© 2000 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Continuum mechanics
- Driver behavior
- Dynamic models
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Highway transportation
- Hydrologic engineering
- Infrastructure
- Kinematics
- Kinetics
- Models (by type)
- Optimization models
- Solid mechanics
- Traffic engineering
- Traffic flow
- Traffic management
- Traffic models
- Transportation engineering
- Vehicles
- Water and water resources
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