This paper proposes a hierarchically intelligent control procedure to resolve certain aspects of the urban traffic management problem. Three level of the hierarchical system: the linguistic organization, the coordinator, and the on-line controller are responsible, respectively, for the management of traffic in city, neighborhood, and single intersection. Traffic situations are partitioned into five different categories, ranging from sparse to immobile traffic. For each category (except the immobile traffic which is not probed in this paper) a suitable control scheme is introduced. The control at the lowest level, single intersection, will be exerted by optimizing an assigned subgoal. Each coordination level will manage the interaction among the single intersections within its jurisdiction. A learning algorithm is incorporated at this level in order to reduce considerably the need for extensive a priori numerical computations.


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    Title :

    Intelligent control for urban traffic systems


    Additional title:

    Eine intelligente lernende Regelung fuer ein staedtisches Verkehrssystem


    Contributors:

    Published in:

    Automatica, Oxford ; 19 , 2 ; 191-197


    Publication date :

    1983


    Size :

    7 Seiten, 11 Bilder, 18 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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