Theoretical analysis of cooperative driving at idealized unsignalized intersections
Abstract
Cooperative driving is widely viewed as a promising method to better utilize limited road resources and alleviate traffic congestion. In recent years, several cooperative driving approaches for idealized traffic scenarios (i.e., uniform vehicle arrivals, lengths, and speeds) have been proposed. However, theoretical analyses and comparisons of these approaches are lacking. In this study, we propose a unified group-by-group zipper-style movement model to describe different approaches synthetically and evaluate their performance. We derive the maximum throughput for cooperative driving plans of idealized unsignalized intersections and discuss how to minimize the delay of vehicles. The obtained conclusions shed light on future cooperative driving studies.
下面为本研究的简介，详细内容请参阅论文原文
Illustration of different control methods at the simplest conflict point, where vehicles run in only two directions.(a) rhythmic control, where vehicles pass with the one-by-one zipper-style movement; (b) modular vehicles control, where vehicles condense the car-following gap or even diminish such gap to increase the intersection capacity; (c) platoon-based control, where vehicles in the same direction are grouped to pass the intersection, but there is a gap between vehicles in the same group.
Illustration of the condensing process before cooperative driving at the core area of an unsignalized intersection.
Three-lane intersection with two west-to-east flow lanes and one south-to-north flow lane.
(a) Three-lane intersection with one west-to-east flow lane, one east-to-north flow lane, and one south-to-north flow lane; (b) the corresponding right-of-way assignments along the time axis.
Eight-lane intersection with four through lanes first labeled as counterclockwise and four left-turn lanes then labeled as counterclockwise.
Citation
If you find our work is useful in your research, please consider citing:
@ARTICLE{10225295,
author={Li, Shen and Zhang, Jiawei and Chen, Zhenwu and Li, Li},
journal={Tsinghua Science and Technology},
title={Theoretical Analysis of Cooperative Driving at Idealized Unsignalized Intersections},
year={2024},
volume={29},
number={1},
pages={257-270},
doi={10.26599/TST.2022.9010069}
}
