نتایج جستجو برای: transportation supply
تعداد نتایج: 212060 فیلتر نتایج به سال:
Until lately, transportation risk management has mostly dealt with natural or man-made accidental disasters. The September 11th tragedy has made transportation operators, as well as shippers and public authorities, aware of a new type of risk, man-made and intentional. Securing global transportation networks has become an important concern for governments, practitioners and academics. In the cu...
In this paper, we developed a supply chain network game theory model with differentiated products and transportation costs in the case of time-based oligopolistic competition. The firms are profit-maximizers and have, as their strategic variables, the product shipments and the guaranteed delivery times to the consumers at the demand markets with the guaranteed delivery times never exceeding the...
A systems perspective for regional strategic transportation planning (RSTP) for freight movements involves an understanding of Supply Chain Management (SCM). This thesis argues that private sector freight shippers and carriers do not simply need capacity improvements from the regional transportation system, but also a subtle understanding by public sector planners of their supply chain needs. T...
Supply chains provide the critical infrastructure for the production and distribution of goods and services in our Network Economy and serve as the conduits for the manufacturing, transportation, and consumption of products ranging from food, clothing, automobiles, and high technology products, to even healthcare products. Cities as major population centers serve not only as the principal deman...
In logistics networks involving one supply point (depot) and several geographically dispersed demand points (e.g., retail stores), delivery shortages will result if the design of delivery routes ignores random period-to-period ̄uctuations in customer demands. Delivery shortages may be costly enough for the depot to seek strategies to prevent them. A requirement for rational comparison of strate...
INTRODUCTION The freight transportation industry is a major source of employment and supports the economic development of the country. However, freight transportation is also a disturbing activity, due to congestion and environmental nuisances, which negatively affects the quality of life, in particular in urban areas. Both the new trends in retail and commerce organization and the technologica...
In this paper, we develop a multi-objective stochastic programming approach for supply chain design under uncertainty. Demands, supplies, processing, transportation, shortage and capacity expansion costs are all considered as the uncertain parameters. To develop a robust model, two additional objective functions are added into the traditional comprehensive supply chain design problem. So, our m...
This paper considers the Red-Blue Transportation Problem (Red-Blue TP), a generalization of the transportation problem where supply nodes are partitioned into two sets and socalled exclusionary constraints are imposed. We encountered a special case of this problem in a hospital context, where patients need to be assigned to rooms. We establish the problem’s complexity, and we compare two intege...
Alternate energy and system mobility to stimulate economic development. Alternate energy and system mobility to stimulate economic development. ENTER Alternate energy and system mobility to stimulate economic development.
In this chapter, an integrated production and transportation scheduling model is proposed. This model is based on multi-item capacitated lot sizing and facility location type models. The objective of the integrated model is to minimize the total production and transportation cost. The integrated model is solved by Lagrangian decomposition method and the decomposed two sub-problems can be solved...
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