نتایج جستجو برای: transportation supply

تعداد نتایج: 212060  

2010
Deshabrata Roy Mahapatra Sankar Kumar Roy

This paper presents an application to the multi-objective stochastic transportation problem in fuzzy environment. In this paper, we focus on our attention to multiobjective stochastic transportation problem involving an inequality type of constraints in which all parameters ( supply and demand ) are log-normal random variable and the objectives are non-commensurable and conflicting in nature. A...

2017
A. Edward Samuel

In this paper, a method is proposed for solving an unbalanced fuzzy transportation problem without converting into a balanced one. The advantage of this method is that it gives an optimal solution. In the proposed method transportation costs, demand and supply are represented by triangular fuzzy numbers. To illustrate the proposed method, a numerical example is solved and the obtained result is...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

2015
Michael K. Lim Yanfeng Ouyang

The rapidly growing biofuel industry poses considerable challenges to its supply chain network design and operations. In this chapter, we introduce key characteristics of the biofuel supply chain that comprises of feedstock production, biomass logistics, biofuel production and distribution. We then discuss the recent literature on biofuel supply chain models. Using an illustrative biofuel suppl...

2003
Donald G. Janelle Michel Beuthe

This paper concentrates on the dualistic role of transportation as a pro-active agent of globalization and as a beneficiary of its development. Surprisingly, transportation is possibly the least researched element in the complex of factors that foster a changing world economy. The goal is to suggest areas that require an informed social science perspective based on research that will enhance th...

Journal: :Transportation Science 2010
Lian Qi Zuo-Jun Max Shen Lawrence V. Snyder

We study an integrated supply chain design problem that determines the locations of retailers and the assignments of customers to retailers in order to minimize the expected costs of location, transportation, and inventory. The system is subject to random supply disruptions that may occur at either the supplier or the retailers. Analytical and numerical studies reveal the effects of these disru...

2012
SUSANA G. AZEVEDO

This paper aims to propose a conceptual model to analyse the influence of lean, resilient and green supply chain management practices on supply chain sustainability. A deductive research approach was used to develop a conceptual model from the literature review. The SCM practices focused in this study are: waste elimination, Total Quality Management, just-in-time; supply chain risk management, ...

2004
Stephen W. Fuller

The upper Mississippi and Illinois Rivers are important transportation resources for United States grain producers and exporters. Unfortunately, the lock and dam system on these Rivers is aged and barge delays have become troublesome in the lower portion of these Rivers. Studies are underway to measure the benefits and costs of upgrading locks on selected segments of these transportation arteri...

Journal: :Prehospital and disaster medicine 2009
Ernest Sternberg George C Lee

During a disaster, victims with varied morbidities are located at incident sites, while healthcare facilities with varied healthcare resources are distributed elsewhere. Transportation serves an essential equilibrating role: it helps balance the patients' need for care with the supply of care. Studying the special case of New York City, this article sets out the healthcare transportation compon...

2017
Marija Nikolić Michel Bierlaire

The usage of smartphones has rapidly increased during the last years. In addition to communication capabilities, they are also equipped with several sensors, and are usually carried by people throughout the day. The data collected by the means of modern smartphones (e.g. location based, GSM, and other contextual data) are thus valuable source of information for transportation analysis. In this ...

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