Precursor Systems Analyses of Automated Highway Systems. HiVal: A Simulation and Decision Support System for AHS Concepts Analysis
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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
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Precursor Systems Analyses of Automated Highway Systems. HiVal: A Simulation and Decision Support System for AHS Concepts Analysis

Filetype[PDF-1.68 MB]


English
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  • Corporate Creators:
    TASC, Incorporated
  • Contributors:
    Saxton, Lyle
  • Corporate Contributors:
    United States. Department of Transportation. Federal Highway Administration
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-RD-95-104
  • Resource Type:
    Tech Report
  • Right Statement:
    Public Domain
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    United States. Department of Transportation. Federal Highway Administration
  • Abstract:
    At the start of the AHS (Automated Highway Systems) PSA (Precursor Systems Analysis) program, the need for computational tools that can • Provide integrated, system-level analysis for alternative AHS system concept evaluation that would incorporate and build on the PSA analysis of issues and risks • Preserve and make accessible the software and database products of PSA and other AHS researchers to support future elements of the National AHS research agenda, such as the NAHSC (National Automated Highway System Consortia) was recognized. In support of these needs, a prototype integrated modeling, simulation, and decision support testbed, called HiVal, has been developed. HiVal provides simulation, decision support, and database tools for evaluating alternative AHS concepts. HiVal accommodates a range of user expertise and objectives, ranging from high-level, aggregate AHS performance metrics and tradeoffs, to low-level, detailed simulation of individual AHS subsystem elements. HiVal is a computing environment that integrates a variety of simulations, models, and databases from both PSA activities and the broader AHS research community. More than a dozen simulations and models have been incorporated into the prototype system, as illustrated in Figure 1-1. HiVal uses a modular, distributed client-server computing architecture. Modern workstation technology (Unix & X-Motif, DOS/MS Windows, DCE, TCP/IP) is used throughout to support a wide variety of modeling and simulation needs, and allow for continued system growth. All of HiVal’s basic interfaces, protocols, and control software uses COTS (Commercial Off The Shelf) technology.
  • Content Notes:
    Task R
  • Format:
    PDF
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