نتایج جستجو برای: echelon supply chain incomplete information lead time transportation cost service level

تعداد نتایج: 4504310  

2009
Hitesh Gupta Yossi Sheffi

With the increasing complexities in supply chains and increasing global trade, integrated supply chain network design is utilized by the firms in order to reduce the overall cost while meeting the customer demand with requisite levels of service. This view of collaborative approach towards supply chain design has the potential of providing competitive edge for the firms in a highly competitive ...

2010
Thomas G. Schmitt Michael G. Foster Kathryn E. Stecke Fred W. Glover Mark A. Ehlen

Supply chains often experience significant economic disruptions, as in the case of facility breakdowns, transportation mishaps, natural calamities, and terrorist attacks. We collaborated in a study of such disruptive events as part of an initiative by Sandia National Laboratories. We conducted case studies of three electronics firms and their suppliers to explore underlying aspects of the suppl...

M. Vijayashree R. Uthayakumar

Lead time is one of the major limits that affect planning at every stage of the supply chain system. In this paper, we study a continuous review inventory model. This paper investigates the ordering cost reductions are dependent on lead time. This study addressed two-echelon supply chain problem consisting of a single vendor and a single buyer. The main contribution of this study is that the in...

2004
Panos Seferlis Lambros Pechlivanos

An optimization-based control framework that simultaneously determines the optimal inventory and product pricing policies is developed for multi-product, multi-echelon supply chain networks. The optimization problem aims at adjusting the available manufacturing resources, product transportation, inventories and prices for the entire supply chain network to satisfy demand while maximizing networ...

2008
Fengqi You Ignacio E. Grossmann

We address the optimal design of a multi-echelon supply chain and the associated inventory systems in the presence of uncertain customer demands. By using the guaranteed service approach to model the multi-echelon stochastic inventory system, we develop an optimization model for simultaneously optimizing the transportation, inventory and network structure of a multi-echelon supply chain. We for...

Ahmad Makuie Mirbahador Gholi AriaNezhad Saeed Khayatmoghadam

In this research, a new two-echelon model has been presented to control the inventory of perishable goods. The performance of the model lies in a supply chain and is based on real conditions and data. The main purpose of the model is to minimize the maintenance cost of the entire chain. However, if the good is perished before reaching the customer (the expiration date is over)...

Journal: :IJBPSCM 2013
Suman Niranjan Frank W. Ciarallo

No: 011-0319 Abstract Title: Impact of Inventory Allocation Policies on Downstream Supply Variability in a Multi-echelon System Authors Information: SUMAN NIRANJAN School of Management, State University of New York Binghamton, Vestal, NY 13902 607-777-4120 [email protected] FRANK CIARALLO Biomedical, Industrial, and Human Factors Engineering, Wright State University, Dayton, OH 45435 937-...

2008
Sara Saberi Charalampos Makatsoris

Supply chain management (SCM) is an emerging field that has commanded attention and support from the industrial community. Supply chain (SC) is defined as the chain linking each entity of the manufacturing and supply process from raw materials through to the end user. In order to increase supply chain effectiveness, minimize total cost, and reduce the bullwhip effect, integration and coordinati...

F. Goodarzian M. B. Fakhrzad P. Talebzadeh

In this paper, developed a new multi-product, multi-period, and multi-level closed-loop green supply chain planning model under uncertain conditions. The formulated model consists of five objective functions, which minimize the cost of the supply chain, minimize the CO2 emission of transportation vehicles, maximize the reliability of manufacturing and distribution centers, maximize t...

2007
Tianjian Yang Jun Wu

In this paper, we analyze the impact of a transportation disruption on supply chain performance by using system dynamics simulation. Performances of three different supply chains with Internet e-collaboration tools are compared with the assumption that a transportation disruption occurs within two echelons in a five-echelon supply chain. Numerical results are shown to reveal that from Non-colla...

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