Chapter
Aug 30, 2023
Hybrid Signal Control for Isolated Intersections under a Connected and Automated Environment
Authors: Xiangdong Chen [email protected], Xi Lin [email protected], and Meng Li [email protected]Author Affiliations
Publication: CICTP 2023
ABSTRACT
The development of connected and automated vehicle (CAV) technologies provides great potential for improving traffic control at urban intersections. This paper proposes an innovative intersection control scheme in a fully CAV environment. By combining traffic signal control (TSC) and rhythmic control (RC), a hybrid signal control (HSC) scheme is developed to take the advantages of the two control methods, that is, the capability of reducing intersection delay of RC and the flexibility of handling imbalanced demands of TSC. Steady-state properties of HSC are theoretically derived, which demonstrate the admissible demand set of HSC dominates those of RC and TSC. The optimal design of phase choice, phase timing, and cycle length for HSC is formulated as linear optimization problems. Numerical experiments are conducted to test the performance of HSC, and the results show that HSC is capable of effectively accommodating imbalanced traffic demand.
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Published online: Aug 30, 2023
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ASCE Technical Topics:
- Automation and robotics
- Concrete
- Engineering fundamentals
- Engineering materials (by type)
- Highway and road management
- Highway transportation
- Highways and roads
- Hybrid methods
- Infrastructure
- Intelligent transportation systems
- Intersections
- Materials engineering
- Methodology (by type)
- Reinforced concrete
- Systems engineering
- Traffic delay
- Traffic engineering
- Traffic management
- Traffic signals
- Transportation engineering
- Transportation management
Authors
Affiliations
1Dept. of Civil Engineering, Tsinghua Univ., Beijing, PR China. Email: [email protected]
2Dept. of Civil Engineering, Tsinghua Univ., Beijing, PR China. Email: [email protected]
3Dept. of Civil Engineering, Tsinghua Univ., Beijing, PR China. Email: [email protected]
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