Recently, increasing attention has been put on the use of automated vehicle control systems to reduce traffic crashes due to driver errors. Proposed systems rely on either onboard range sensors or vehicle-to-vehicle wireless communications to obtain pertinent information about surrounding vehicles and to determine appropriate acceleration or deceleration commands. Although numerous studies have used microscopic traffic simulation to study the effects that these systems might have on traffic flows, generally these studies did not consider all factors that may affect their operation. A particular element that has been ignored is delay in data acquisition. Using a microscopic traffic simulation model that was developed to simulate intelligent transportation system applications relying on the use of onboard vehicle sensors or wireless transmissions, this paper attempts to quantify the safety effects created by the use of delayed information in automated vehicle control systems. The study clearly indicates that information delay affects the operation of vehicle control systems, particularly when sensor or transmission delays result in the use of information older than a certain threshold, found in this case to be 0.5 s.


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    Title :

    Safety Assessment of Information Delay on Performance of Intelligent Vehicle Control System


    Additional title:

    Transportation Research Record


    Contributors:
    Liu, Yu (author) / Dion, François (author) / Biswas, Subir (author)


    Publication date :

    2006-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Safety Assessment of Information Delay on Performance of Intelligent Vehicle Control System

    Liu, Y. / Dion, F. / Biswas, S. et al. | British Library Conference Proceedings | 2006


    Safety Assessment of Information Delay on Performance of Intelligent Vehicle Control System

    Liu, Yu / Dion, François / Biswas, Subir | Transportation Research Record | 2006



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