The quality of high-speed, high-density traffic flow may be improved by use of an automatic system for the longitudinal control of vehicles in a traffic stream. However, such a system must include a manual mode, so that a driver can, if necessary, quickly regain and keep control of his vehicle. Additionally, an improved man-machine interface must be designed for nonequipped vehicles, so that their performance approximates that of a vehicle equipped with an automatic system. This work is devoted to the determination of such an improved man-machine interface, which may be used in both equipped and nonequipped vehicles. A tactile aiding device, or finger, was built into the head of a control stick, the finger position giving the driver an accurate indication of his state with respect to a lead vehicle. This control device was tested in both a normal and a difficult simulated car- following situation, and the results compared with those obtained using a conventional set of automobile controls in similar situations. It appears that substantial improvements in car following may be obtained by using the tactile controller, and that it may be used both as the manual mode of an automatic system and as the primary control in an unequipped vehicle. However, the final decision may be drawn only after real-world testing.


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    Title :

    Driver-Automobile Interfaces


    Contributors:

    Publication date :

    1965


    Size :

    156 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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