Highlights ► Vehicle routing problem with time windows is modeled in a fuzzy random environment. ► GLNPSO-ep algorithm is employed to solve this problem. ► The application and comparison show that the model is effective.

    Abstract This paper is concerned with a vehicle routing problem with soft time windows (VRPSTW) in a fuzzy random environment. Two objectives are considered: (1) minimize the total travel cost and (2) maximize the average satisfaction level of all customers. After setting up the model for the VRPSTW in a fuzzy random environment, the fuzzy random expected value concept is used to deal with the constraints and its equivalent crisp model is derived. The global–local–neighbor particle swarm optimization with exchangeable particles (GLNPSO-ep) is employed to solve the equivalent crisp model. A case study is also presented to illustrate the effectiveness of the proposed approach.


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    Titel :

    Vehicle routing optimization with soft time windows in a fuzzy random environment


    Beteiligte:
    Xu, Jiuping (Autor:in) / Yan, Fang (Autor:in) / Li, Steven (Autor:in)


    Erscheinungsdatum :

    2011-03-22


    Format / Umfang :

    17 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch