This article deals with traffic data assimilation and algorithms that are able to predict the traffic flow on A road section. The traffic flow is modellized by the Aw-Rascle hyperbolic system. a functional has to be minimized whose optimization variables are initial condition. The Roe method is used to compute the solution to the traffic flow modelling system. Then the gradient of the functional has been computed by an adjoint method. This gradient will be used to optimize the functional.


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    Title :

    Data assimilation and inverse problem for fluid traffic flow models and algorithms


    Additional title:

    Datenassimilation und inverses Problem für Fluid-Verkehrsflussmodelle und -algorithmen


    Contributors:
    Jaisson, P. (author) / DeVuyst, F. (author)


    Publication date :

    2008


    Size :

    25 Seiten, 12 Bilder, 21 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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