Simulation of large and complex systems plays an increasingly important role with knowledge-based measurement and control. In real-time situations the utmost in computing speed is required. Parallel computations are necessary to answer the need for ultra-speed at compecting costs. An appreciable cost reduction can be obtained by a certain degree of specialization in the computer: the algorithm oriented processor. A very fruitful specialized parallel architecture is the linear processor array (LPA). The costs are at the minicomputer level. This paper describes the concept and the implementation of LPA's. As an illustrative application the minimum path problems for large vehicle traffic networks (e.g. 20000 nodes) are presented. In that problem use is made of a traffic-assignment algorithm in space-time and a variety of minimum path strategies are considered for their effectiveness in computing time. Real-time control is indeed feasible.


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    Title :

    The 'linear processor array' (LPA) as an efficient tool for real-time traffic control in large networks


    Additional title:

    Das sogenannte lineare Prozessor-Array (LPA) als effizientes Werkzeug für eine Echtzeit-Verkehrsüberwachung in großen Netzen


    Contributors:


    Publication date :

    1990


    Size :

    7 Seiten, 2 Bilder, 3 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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