The report analyzes the requirements, issues, and risks associated with lateral and longitudinal control of vehicles operating on AHS. This report is part of the Precursor Systems Analysis (PSA) study sponsored by the Federal Highway Administration (FHWA). This report presents a possible evolutionary path for the automation of vehicle lateral and longitudinal control systems. This path is characterized by five evolutionary representative system configurations (ERSCs). Each ERSC builds upon the earlier ones in terms of performance and vehicle complexity. If a failure occurs then the system falls back to the previous ERSC. ERSC 1 has a dedicated lane for vehicles with speed and headway maintenance systems. In ERSC 2 the vehicles have steering assist, more vehicle to vehicle communications, lane departure warnings, and rear-end collision avoidance. ERSC 3 has 'hands-off' steering in a single lane, lateral collision warnings, and maneuver coordination near entry and exit points. In ERSC 4 vehicles can change lanes automatically. These vehicles also have collision avoidance capability in both the lateral and longitudinal directions. ERSC 5 corresponds to a fully automated system where the infrastructure can guide and route the vehicles. For each ERSC, we analyze the performance and reliability requirements for automatic lateral and longitudinal control.


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    Titel :

    Precursor Systems Analyses of Automated Highway Systems. Lateral and Longitudinal Control Analysis. Volume 4


    Beteiligte:
    J. A. Dickerson (Autor:in) / M. C. Lai (Autor:in) / P. A. Ioannou (Autor:in) / C. C. Chien (Autor:in) / A. Kanaris (Autor:in)

    Erscheinungsdatum :

    1995


    Format / Umfang :

    310 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch