To improve the efficiency of large-scale evacuations, a network aggregation method and a bi-level optimization control method are proposed in this paper. The network aggregation method indicates the uncertain evacuation demand on the arterial sub-network and balances accuracy and efficiency by refining local road sub-networks. The bi-level optimization control method is developed to reconfigure the aggregated network from both supply and demand sides with contraflow and conflict elimination. The main purpose of this control method is to make the arterial sub-network to be served without congestion and interruption. Then, a corresponding bi-objective network flow model is presented in a static manner for an oversaturated network, and a Genetic Algorithm-based solution method is used to solve the evacuation problem. The numerical results from optimizing a city-scale evacuation network for a super typhoon justify the validity and usefulness of the network aggregation and optimization control methods.


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    Titel :

    Large-scale evacuation network optimization: a bi-level control method with uncertain arterial demand


    Beteiligte:
    Hua, Jingyi (Autor:in) / Ren, Gang (Autor:in) / Cheng, Yang (Autor:in) / Yu, Chen (Autor:in) / Ran, Bin (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2015-10-03


    Format / Umfang :

    18 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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