A concept for implementing headway for commercial vehicles is introduced. Developing a headway system is motivated by the desire to improve safety and enhance mobility through the use of longitudinal control. Such control is carried out via two possible modes of operation: cruise control mode and headway control mode. The headway control system consists of range and range rate sensors, a cruise control capable of accepting velocity commands and a control unit using a heuristic algorithm for determining the appropriate mode of operation and for selecting that mode. When in a headway control mode, the system utilizes information from the range and range rate sensors to maintain a prescribed headway from a leading vehicle. When in a cruise control mode, the system maintains the speed selected by the driver. The equations of motion that mathematically represent the vehicle are derived, and a system model for simulation is constructed. An analysis by simulation is performed to demonstrate that reasonable performance of the system can be expected.


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    Title :

    Investigation of the Performance of a Headway Control System for Commercial Vehicles


    Contributors:
    Z. Bareket (author) / P. Fancher (author) / G. Johnson (author)

    Publication date :

    1993


    Size :

    43 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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    Predictive analyses of the performance of a headway control system for heavy commercial vehicles

    Fancher,P. / Bareket,Z. / Johnson,G. et al. | Automotive engineering | 1994


    Predictive analyses of the performance of a headway control system for heavy commercial vehicles

    Fancher,P. / Bareket,Z. / Johnson,G. et al. | Automotive engineering | 1994



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    FANCHER, P. / BAREKET, Z. / JOHNSON, G. | Taylor & Francis Verlag | 1994