نتایج جستجو برای: transportation network design

تعداد نتایج: 1595983  

Journal: :international journal of automotive engineering 0
fathian jafarian-moghaddam yaghini

vehicular ad-hoc network (vanet) is an important component of intelligent transportation systems, in which vehicles are equipped with on-board computing and communication devices which enable vehicle-to-vehicle communication. consequently, with regard to larger communication due to the greater number of vehicles, stability of connectivity would be a challenging problem. clustering technique as ...

2002
Morton E. O'Kelly

Hubs, or central trans-shipment facilities, allow the construction of a network where large numbers of direct connections can be replaced with fewer, indirect connections. Hub-andspoke configurations reduce and simplify network construction costs, centralize commodity handling and sorting, and allow carriers to take advantage of scale economies through consolidation of flows. Such networks have...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

2010
Pavithra Parthasarathi David Levinson

The objective of this research to develop quantitative measures that capture various aspects of underlying network structure, using aggregate level travel data from fifty metropolitan areas across the U.S. The influence of these measures on system performance is then tested using statistical regression models. The results corroborate that the quantitative measures of network structure affect th...

2012

Recently, Northeast Asia has become one of the three largest trade areas, covering approximately 30% of the total trade volume of the world. However, the distribution facilities are saturated due to the increase in the transportation volume within the area and with the European countries. In order to accommodate the increase of the transportation volume, the transportation networking with the m...

Journal: :مدیریت زنجیره تأمین 0
سعید رضایی امیرسامان خیرخواه

in today’s competitive word, it is so important to offer a new way in the cycle of production and supply by which the maximum efficiency will be achieved. the problem of applying cross-docking operations in logistics and supply chain network design, as a new and applicable approach, has attracted much attention in both academic and industrial areas. the matter making this strategy be highly wel...

The fixed-charge Capacitated Multi-commodity Network Design (CMND) is a well-known problem of both practical and theoretical significance. Network design models represent a wide variety of planning and operation management issues in transportation telecommunication, logistics, production and distribution. In this paper, Ant Colony Optimization (ACO) based neighborhoods are proposed for CMND pro...

2007
Moshe Ben-Akiva Michel Bierlaire Haris N. Koutsopoulos Rabi Mishalani

DynaMIT is a simulation-based real-time system designed to estimate the current state of a transportation network, predict future traac conditions , and provide consistent and unbiased information to travelers. To perform these tasks, eecient simulators have been designed to explicitly capture the interactions between transportation demand and supply. The demand reeects both the OD ow patterns ...

Intelligent Transportation System (ITS) is one of the most important urban systems that its functionality affects other urban systems directly and indirectly. In developing societies, increasing the transportation system efficiency is an important concern, because variety of problems such as heavy traffic condition, rise of the accident rate and the reduced performance happen with the rise of p...

2015
Dimitris Mourtzis Michael Doukas Foivos Psarommatis Christos Giannoulis George Michalos

The currently widespread mass customisation paradigm greatly affects the planning and operation of manufacturing networks. The increasing need towards customised products in combination with the volatile product demand calls for efficient ways to design and plan manufacturing network configurations. The work discussed in this paper aims at enabling a mass customisation and personalisation imple...

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