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Geographical Modeling of Charging Infrastructure Requirements for Heavy-Duty Electric Autonomous Truck Operations

Author

Listed:
  • Feyijimi Adegbohun

    (Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798, USA)

  • Annette von Jouanne

    (Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798, USA)

  • Emmanuel Agamloh

    (Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798, USA)

  • Alex Yokochi

    (Department of Mechanical Engineering, Baylor University, Waco, TX 76798, USA)

Abstract

This study presents an analysis of the charging infrastructure requirements for autonomous electric trucks (AETs) in a specified geographical region, focusing on the state of Texas as a case study. A discrete-time, agent-based model is used to simulate the AET fleet and consider various model parameters such as trip distance/duration, the number of trips, and charging speeds. The framework incorporates unique properties of the Texas road network to assess the sensitivity of charging infrastructure needs. By synergizing electrification and automation, AETs offer benefits such as reduced carbon emissions, enhanced transportation safety, decreased congestion, and improved operational costs for fleets. By simulating daily trips and energy consumption patterns, an analysis of the charging infrastructure needs for cities along the Texas highway triangle formed by I-35, I-45 and I-10 revealed that the total charging energy and average charging power for these major cities ranges between 443~533 MWh/day and 18.5~22 MW, with costs in the range of USD $7.74~$15.93 million for each city, depending on charging infrastructure design and exclusive of any enhancements to the distribution grid infrastructure needed to support the charging infrastructure. This data-driven approach may be replicated for other regions by adapting the simulation parameters to allow policymakers and stakeholders to assess the charging infrastructure requirements and related investments needed to support the transition to electric and autonomous heavy-duty trucking.

Suggested Citation

  • Feyijimi Adegbohun & Annette von Jouanne & Emmanuel Agamloh & Alex Yokochi, 2023. "Geographical Modeling of Charging Infrastructure Requirements for Heavy-Duty Electric Autonomous Truck Operations," Energies, MDPI, vol. 16(10), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4161-:d:1149714
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    References listed on IDEAS

    as
    1. Chen, T. Donna & Kockelman, Kara M. & Hanna, Josiah P., 2016. "Operations of a shared, autonomous, electric vehicle fleet: Implications of vehicle & charging infrastructure decisions," Transportation Research Part A: Policy and Practice, Elsevier, vol. 94(C), pages 243-254.
    2. Brennan Borlaug & Matteo Muratori & Madeline Gilleran & David Woody & William Muston & Thomas Canada & Andrew Ingram & Hal Gresham & Charlie McQueen, 2021. "Heavy-duty truck electrification and the impacts of depot charging on electricity distribution systems," Nature Energy, Nature, vol. 6(6), pages 673-682, June.
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