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Real-time Intersection Optimization for Signal Phasing, Timing, and Automated Vehicles' Trajectories by Pourmehrab, Mahmoud; Elefteriadou, Lily; Ranka, Sanjay is a scholarly article available to read on EtoBox.

What is Real-time Intersection Optimization for Signal Phasing, Timing, and Automated Vehicles' Trajectories about?

This study aims to develop a real-time intersection optimization (RIO) control algorithm to efficiently serve traffic of Connected and Automated Vehicles (CAVs) and conventional vehicles (CNVs). This paper extends previous work to consider demand over capacity conditions and trajectory deviations by re-optimizing decisions. To jointly optimize Signal Phase and Timing (SPaT) and departure time of CAVs, we formulated a joint optimization model which is reduced to and solved as a Minimum Cost Flow (MCF) problem. The MCF-based optimization models is embedded into the RIO algorithm to operate the signal controller and to plan the movement of CAVs. Simulation experiments showed 18-22% travel time decrease and up to 12% capacity improvement compared to the base scenario.

Author

Pourmehrab, Mahmoud; Elefteriadou, Lily; Ranka, Sanjay

Published

2020

Language

EN