نتایج جستجو برای: echelon inventory system

تعداد نتایج: 2275441  

2004
Manuel Rossetti

This paper explores the application of constrained clustering algorithms to inventory grouping based problems. Our research in this area is based upon a segmentation methodology that considers operationally relevant part attributes. In this paper, we present a brief review of literature on multi-echelon inventory models, and clustering applications to inventory segmentation. Finally, we discuss...

Journal: :Operations Research 2001
Gérard P. Cachon

This paper studies a two-echelon supply chain with stochastic and discrete consumer demand, batch order quantities, periodic inventory review, and deterministic transportation times. Reorder point policies manage inventories at every location. Average inventory, backorders and fill rates are evaluated exactly for each location. Safety stock is evaluated exactly at the lower echelon and a good a...

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-...

Journal: :journal of optimization in industrial engineering 2010
mehdi seif barghy maghsoud amiri mostafa heidari

multi-echelon inventory systems are one of the most important and attractive areas in modelling supply chain management so that several researches and studies have been done about. in this paper, the total cost function of a two-echelon inventory system with central warehouse and many identical retailers controlled by continuous review inventory policy is estimated. we have assumed the demand i...

Journal: :Operations Research 2003
Lingxiu Dong Hau L. Lee

Since Clark and Scarf’s pioneering work, most advances in multi-echelon inventory systems have been based on demand processes that are time-independent. This paper revisits the serial multi-echelon inventory system of Clark and Scarf, and develops three key results. First, we provide a simple lower bound approximation to the optimal echelon inventory levels and an upper bound to the total syste...

2005
Mohammad H. Al-Rifai Manuel D. Rossetti Vikram L. Desai

Large multi-echelon inventory systems usually consist of hundreds of thousands of stock keep units (SKU). Calculating inventory policies for each product is a computational burden that necessitates the need for more efficient policy setting techniques that reduce computational time and increases managerial convenience. The main objective of our research is to investigate the effect of segmentat...

Journal: :international journal of industrial engineering and productional research- 0
maghsoud amiri associate professor, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran mehdi seif barghy assistant professor, technical and engineering department, alzahra university laaya olfat associate professor, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran seyed hossein razavi hajiagha phd candidate, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran

inventory control is one of the most important issues in supply chain management. in this paper, a three-echelon production, distribution, inventory system composed of one producer, a set of wholesalers and retailers is considered. costumers' demands can be approximated by a normal distribution and the inventory policy is a kind of continuous review (r, q). in this paper, a model based on ...

2008
Mohammad H. Al-Rifai Manuel D. Rossetti

This paper presents a two-echelon non-repairable spare parts inventory system that consists of one warehouse and m identical retailers and implements the reorder point, order quantity (R, Q) inventory policy. We formulate the policy decision problem in order to minimize the total annual inventory investment subject to average annual ordering frequency and expected number of backorder constraint...

Journal: :European Journal of Operational Research 2005
Wei-yu Kevin Chiang George E. Monahan

We present a two-echelon dual-channel inventory model in which stocks are kept in both a manufacturer warehouse (upper echelon) and a retail store (lower echelon), and the product is available in two supply channels: a traditional retail store and an Internet-enabled direct channel. The system receives stochastic demand from two customer segments: those who prefer the traditional retail store a...

Journal: :journal of optimization in industrial engineering 0
mehdi seif barghy department of industrial engineering, islamic azad university of qazvin maghsoud amiri department of management & accounting, allameh tabatabei university mostafa heidari islamic azad university of qazvin

multi-echelon inventory systems are one of the most important and attractive areas in modelling supply chain management so that several researches and studies have been done about. in this paper, the total cost function of a two-echelon inventory system with central warehouse and many identical retailers controlled by continuous review inventory policy is estimated. we have assumed the demand i...

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