نتایج جستجو برای: operations research uncertain programming logistics intermodal transport repositioning
تعداد نتایج: 2085576 فیلتر نتایج به سال:
This paper describes the use of a formal approach to logistics management systems to reduce the environmental impact of logistics operations. Trucks play an essential role as carriers in modern logistics services, but collectively they emit a huge quantity of carbon dioxide. To reduce fossil fuel consumption and carbon dioxide emissions resulting from transport, we must enhance the transport ef...
In this paper, the traditional inventory lot-size model is extended to allow not only for general partial backlogging rate but also for inflation. The assumptions of equal cycle length and constant shortage length imposed in the model developed by Moon et al. [Moon, I., Giri, B.C., Ko, B., 2005. Economic order quantity models for ameliorating/deteriorating items under inflation and time discoun...
Under various operational conditions, in particular in operations other than war (OOTW) or peacekeeping, an intervening force, here Blue, must occasionally engage in attrition warfare with an opposing force, here Red, that is intermingled with noncombatants. Desirably, Red armed actives are targeted, and not the unarmed noncombatants. This article describes some simple Lanchesterian attrition m...
Using the data obtained from the structured interviews of 33 professionals with a high level of technical knowledge specific to the subject of intermodal rail yards and their associated operations, this study addresses 10 issues that cover not only the design and layout issues within a terminal, but also broader topics such as administration/ownership, location, and other topics that may be ove...
A simulation model of the flow of Intermodal Terminal Units (ITUs) among inland intermodal terminals is presented. The intermodal terminals are inter-connected by rail corridors. Each terminal serves a user catchment area via a road network. The terminal is modelled as a set of platforms, which are served by a number of gantry cranes and front lifters. Given the schedule of train connections am...
Nowadays, the cooperative intelligent transport systems are part of a largest system. Transportations are modal operations integrated in logistics and, logistics is the main process of the supply chain management. The supply chain strategic management as a simultaneous local and global value chain is a collaborative/cooperative organization of stakeholders, many times in co-opetition, to perfor...
A critical problem in an intermodal transport chain is the direct meet at the transhipment nodes. This requires information technology and modern communication facilities as well as close collaboration between all the concerned transport operators in the chain. The TELETRUCK system – currently under development at the German Research Center for Artificial Intelligence (DFKI) – is a dispatch sup...
While it is certainly too early to make a definitive assessment of the effectiveness of Intelligent Transportation Systems (ITS), it is not to take stock of what has been achieved and to think about what could be achieved in the near future. In our opinion, ITS developments have been up to now largely hardware-driven and have led to the introduction of many sophisticated technologies in the tra...
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