This paper presents a discrete time optimal control formulation for the freeway ramp metering problem and a computationally efficient procedure to solve it. The problem has a special structure: its control constraints can be reduced to box constraints through a variable transformation. This transformed problem is solved using a modified quasi-Newton method, which is shown to be superior to the conjugate gradient method in cases where traffic dynamics is more complicated.


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    Titel :

    An optimization algorithm for freeway traffic control


    Beteiligte:
    Zhang, H.M. (Autor:in) / Jayakrishnan, R. (Autor:in) / Recker, W.W. (Autor:in)


    Erscheinungsdatum :

    01.01.2001


    Format / Umfang :

    446570 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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