Optimal Controller for a Roundabout with Cooperative Optimization
Publication: Journal of Transportation Engineering, Part A: Systems
Volume 149, Issue 1
Abstract
This paper proposes a roundabout controller that operates in a connected and automated vehicle (CAV) environment. The proposed controller bears the following features: (1) improves the mobility and capacity of roundabouts, (2) has the potential for real-world implementation, and (3) is easy to upgrade for partially connected and automated traffic. The proposed controller is evaluated against a conventional roundabout controller to quantify its performance. The results show that the proposed controller is able to improve throughput by approximately 14% and reduce delays ranging from 66% to 94%. The computational time of the proposed controller was demonstrated to be constantly less than 0.02 s across all traffic demands. This confirms the potential of the proposed controller for real-world application.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
This paper is partially supported by Shanghai Municipal Science and Technology Major Project 2021SHZDZX0100, National Natural Science Foundation of China (Grant No. 61803284), Shanghai Oriental Scholar (2018), Tongji Zhongte Chair Professor Foundataion (No. 000000375-2018082), National Key R&D Program of China (No. 2018YFB1600600), and the Fundamental Research Funds for the Central Universities.
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Information & Authors
Information
Published In
Journal of Transportation Engineering, Part A: Systems
Volume 149 • Issue 1 • January 2023
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Dec 8, 2021
Accepted: Aug 14, 2022
Published online: Oct 27, 2022
Published in print: Jan 1, 2023
Discussion open until: Mar 27, 2023
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