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Corridor-Wise Eco-Friendly Cooperative Ramp Management System for Connected and Automated Vehicles

Author

Listed:
  • Zhouqiao Zhao

    (College of Engineering-Center for Environmental Research and Technology, University of California at Riverside, Riverside, CA 92507, USA)

  • Guoyuan Wu

    (College of Engineering-Center for Environmental Research and Technology, University of California at Riverside, Riverside, CA 92507, USA)

  • Matthew Barth

    (College of Engineering-Center for Environmental Research and Technology, University of California at Riverside, Riverside, CA 92507, USA)

Abstract

Safety, mobility, and environmental sustainability are three fundamental issues that our transportation system has been confronting for decades. Intelligent transportation systems (ITS) aim to address these problems by leveraging disruptive technologies, such as connected and automated vehicles (CAVs). The cooperative potential of CAVs enable more efficient maneuvers and operation of a group of vehicles, or even the entire traffic system. In addition, CAVs may couple with other emerging technologies such as electrification to boost overall system performance and to further mitigate the aforementioned issues. In this study, we propose a hierarchical eco-friendly cooperative ramp management system, where macroscopically, a stratified ramp metering algorithm, is deployed to coordinate all of the ramp inflow rates along a corridor according to the real-time traffic condition; microscopically, a model predictive control (MPC)-based algorithm is designed for the detailed speed control of individual CAVs. Using the shared information from CAVs, the proposed ramp management system can smooth traffic flow, improve system mobility, and decrease the energy consumption of the network. Moreover, traffic simulation has been conducted using PTV VISSIM under various congestion levels for vehicles with different powertrain types, i.e., an internal combustion engine and an electric motor. Compared to conventional ramp metering, the proposed ramp management system may improve mobility by 48.6–56.7% and save energy by 24.0–35.1%. Compared to no control scenarios, savings in travel time and energy consumption are in the ranges of 79.4–89.1% and 0.8–2.5%, respectively.

Suggested Citation

  • Zhouqiao Zhao & Guoyuan Wu & Matthew Barth, 2021. "Corridor-Wise Eco-Friendly Cooperative Ramp Management System for Connected and Automated Vehicles," Sustainability, MDPI, vol. 13(15), pages 1-19, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:15:p:8557-:d:605965
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    References listed on IDEAS

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    1. Yao, Zhihong & Xu, Taorang & Jiang, Yangsheng & Hu, Rong, 2021. "Linear stability analysis of heterogeneous traffic flow considering degradations of connected automated vehicles and reaction time," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 561(C).
    2. Riccardo Scarinci & Benjamin Heydecker, 2014. "Control Concepts for Facilitating Motorway On-ramp Merging Using Intelligent Vehicles," Transport Reviews, Taylor & Francis Journals, vol. 34(6), pages 775-797, November.
    3. Chao Lu & Jie Huang, 2017. "A self-learning system for local ramp metering with queue management," Transportation Planning and Technology, Taylor & Francis Journals, vol. 40(2), pages 182-198, February.
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