نتایج جستجو برای: operations research uncertain programming logistics intermodal transport repositioning

تعداد نتایج: 2085576  

Journal: :European Journal of Operational Research 2002
Zeger Degraeve Willy Gochet Raf Jans

It is very exciting to see how operations research methods and models can be implemented in various disciplines and areas of industry. In this paper, two integer programming (IP) models are proposed to solve the layout problem in the fashion industry. Before cutting, several layers of cloth are put on a cutting table and several templates, indicating how to cut all material for a specific size,...

2007
Xiubin Wang

Fundamental to intermodal development is consistent demand modeling across the intermodal system, which coordinates resource allocation. However, different planning organizations are responsible for the development of different components of the intermodal system. In the case of air transportation, air demand modeling is mainly conducted by Federal Aviation Administration and commercial airline...

2004
R. Dimitrakopoulos

Mixed integer programming (MIP) models are used for long-term production scheduling of open pit mines. However, formulations based on binary variables for mining blocks require too many variables and are often difficult or impossible to solve. This paper presents and tests alternative MIP scheduling models that have reduced the number of binary variables and solution times, thus increasing effi...

2007
Yingli Wang Andrew Potter Mohamed Naim

Despite the wealth of literature on e-marketplaces, research on electronic logistics and/or transport marketplaces, is scarce. Electronic Logistics Marketplace (ELM) refers to an electronic hub using web-based systems that link shippers and carriers together for the purpose of collaboration or trading. Via an international scoping study, our research aims to evaluate different types of ELM, est...

2017
Esa Hämäläinen Elen Twrdy Tommi Inkinen

This paper analyses cost aggregation in a supply chain. It provides a literature overview on the key concepts of cost aggregation, multimodal transport, logistic chain and maritime transport. The focuses on the value adding process with logistics data and assesses the costs accumulation during the transport process. The paper also reveals multimodal impacts on the logistics costs. The research ...

Journal: :Computers, materials & continua 2023

The petroleum industry has a complex, inflexible and challenging supply chain (SC) that impacts both the national economy as well people’s daily lives with range of services, including transportation, heating, electricity, lubricants, chemicals petrochemicals. In industry, management presents several challenges, especially in logistics sector, are not found other industries. addition, logistica...

2017
Balan Sundarakani

Purpose of this paper The transportation of hazardous materials exposes to major risk aspects not only for the personnel involved in transportation but for the environment as well. In view of this, the research aimed to identify various categorical risks that are to be identified, analysed and mitigated accordingly. As for the safety of the material and the transport, such factors as the flow, ...

2017
Matthias Klumpp

Sustainability performance and efficiency is an important topic in transportation and for forwarders. This is shown, for example, by the fact that major logistics service providers LSP publish sustainability reports, often within the annual legal business report. However, in depth research is missing regarding the efficiency of forwarders regarding the established triple bottom line approach fo...

2015
Bao-Jian Qiu Jiang-Hua Zhang Yuan-Tao Qi Yang Liu Yongtang Shi

Natural disasters occur frequently in recent years, causing huge casualties and property losses. Nowadays, people pay more and more attention to the emergency logistics problems. This paper studies the emergency logistics problem with multi-center, multi-commodity, and single-affected-point. Considering that the path near the disaster point may be damaged, the information of the state of the pa...

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