In the field of traffic simulation, the calibration of uncertain inputs against real data is usually taken to cover the epistemic uncertainty regarding the un-modeled details of the phenomena and the aleatory not predicted by the models. For this reason, model parameters are usually indirectly derived by means of an optimization framework, which tries to maximize the fit between real and simulated measures of the traffic system. This is the case, for example, of the calibration of car-following models' parameters against vehicle trajectory data. Only recently, it has been proven that the capability of the optimization framework to provide the parameters' values that allow the car-following model reproducing real trajectories at its best is strictly connected to the setup of the optimization framework itself. This, in particular, entails the necessity to carefully choose an appropriate combination of optimization algorithm and measure of goodness of fit (GOF).


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    Titel :

    Calibration of microscopic traffic flow models against time-series data


    Beteiligte:
    Montanino, M. (Autor:in) / Ciuffo, B. (Autor:in) / Punzo, V. (Autor:in)


    Erscheinungsdatum :

    2012-09-01


    Format / Umfang :

    711155 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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    Freier Zugriff