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Moving Slot Concept for Automated Highway Control

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  • Chin, Chi-nan
  • Hall, Randolph
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    Abstract

    The objective of this report is to optimize performance of AutomatedHighway Systems through management of space accounting for interaction between entrance and exit processes. To accomplish this objective, we develop acomprehensive framework, including a new integrated highway model called the moving slot model, and operational strategies, called slot/lane assignment rules. Themodel manages highway space to maximize capacity accounting for safety and vehicle maneuvers. Operational strategies minimize space requirements by formingvehicles into specific patterns of destinations through entry and lane-change control such that vehicles can exit successfully. This research aims to expedite theapplication of Automated Highway Systems without significantly altering system configurations while optimizing performance in terms of capacity and travel time.In the moving slot model, an operational unit, called a slot in a one-lane highway and a stack in a multi-lane highway, contains the minimal space foraccommodating vehicles and supporting necessary maneuvers without affecting other units. This design provides independence among operational units and canvary with system parameters such as number of vehicles in a platoon. This not only reduces the complexity of system control but also makes the framework adaptable tovarious system requirements. We provide both theoretical and simulation results for system performance of a simplified highway under the framework as well assimulation results for varied system configurations.

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    Bibliographic Info

    Paper provided by Institute of Transportation Studies, UC Berkeley in its series Institute of Transportation Studies, Research Reports, Working Papers, Proceedings with number qt7wx7n7kx.

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    Date of creation: 01 Jul 2004
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    Handle: RePEc:cdl:itsrrp:qt7wx7n7kx

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    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    1. Alvarez, Luis & Horowitz, Roberto, 1997. "Safe Platooning In Automated Highway Systems," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt1v97t5w1, Institute of Transportation Studies, UC Berkeley.
    2. Hall, Randolph & Chin, Chinan & Gadgil, Nishad, 2003. "The Automated Highway System / Street Interface: Final Report," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt0zm6v6m3, Institute of Transportation Studies, UC Berkeley.
    3. Varaiya, P. P. & Shladover, Steven E., 1991. "Sketch Of An Ivhs Systems Architecture," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt5jh5n9w1, Institute of Transportation Studies, UC Berkeley.
    4. Kanaris, Alexander & Ioannou, Petros & Ho, Fu-sheng, 1996. "Spacing And Capacity Evaluations For Different Ahs Concepts," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt3jg2v2jk, Institute of Transportation Studies, UC Berkeley.
    5. Newell, G. F., 2002. "A simplified car-following theory: a lower order model," Transportation Research Part B: Methodological, Elsevier, vol. 36(3), pages 195-205, March.
    6. Hsu, Ann & Eskafi, Farokh & Sachs, Sonia & Varaiya, Pravin, 1991. "Design Of Platoon Maneuver Protocols For IVHS," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt89c6p0cn, Institute of Transportation Studies, UC Berkeley.
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