نتایج جستجو برای: operations research uncertain programming logistics intermodal transport repositioning
تعداد نتایج: 2085576 فیلتر نتایج به سال:
Demand of emergency materials is usually uncertain and delayed as the latent period changes. With the consideration of the delay caused by the latent period of an epidemic, a multi-objective stochastic programming model for an emergency logistics network is constructed based on the epidemic diffusion rules. The genetic algorithm is adopted to solve the optimization model, and the application of...
This paper presents an overview of European policy on interconnected cross-border transport networks as well as of severe problems in estimating empirically the avalanche of goods movements in the European Union (EU). In particular, it deals with the Transalpine freight transport case, which represents one of the most challenging operational and policy issues of the present and future both inte...
This chapter considers the standard single-echelon rental system applied to the setting of libraries. Two types of exchanges take place: transshipments from library to library to fulfill requests for items and repositioning operations to redistribute items between libraries. We determine optimal decisions for transshipments and repositioning, so that logistic costs are minimized. In current pra...
Container terminals are essential intermodal interfaces in the global transportation network. Efficient container handling at terminals is important in reducing transportation costs and keeping shipping schedules. In this paper, we study the storage space allocation problem in the storage yards of terminals. This problem is related to all the resources in terminal operations, including quay cra...
We address the area of scheduling and the di erences between the way operations research and arti cial intelligence approach scheduling. We introduce the concept of constraint programming, and describe how operations research techniques can be integrated in constraint programming. Finally, we give a short overview of the results obtained with our approach.
We address the area of scheduling and the diierences between the way operations research and artiicial intelligence approach scheduling. We introduce the concept of constraint programming, and describe how operations research techniques can be integrated in constraint programming. Finally, we give a short overview of the results obtained with our approach.
The terms Transport and Logistics have historically been used independently of one another. While the meaning transport relates to critical function providing mobility, understanding logistics varies sharply between its different application contexts, from Military in early stages current Supply Chains referred as Business Logistics. is generally understood processes associated with handling go...
The exclusive and excessive use of long-distance road transportation is not suitable way to reduce the negative environmental impacts logistics systems. Intermodal transport, combining with other transport modes, has potential both operating costs carbon footprints. One reasons for low share intermodal its requirement coordination scheduled services that can result in reducing reliability case ...
The 21st century will see a renewed focus on intermodal freight transportation driven by the changing requirements of global supply chains. Each of the transportation modes (air, inland water, ocean, pipeline, rail, and road) has gone through technological evolution and has functioned separately under a modally based regulatory structure for most of the 20th century. With the development of con...
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