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Analysis and Optimization of a Multistage Inventory-Queue System

Analysis and Optimization of a Multistage Inventory-Queue System An important issue in the management of supply chains and manufacturing systems is to control inventory costs at different locations throughout the system while satisfying an end-customer service-level requirement. The challenge involved is to solve a nonlinear constrained optimization problem that captures the key dynamics of a complex production-inventory system. In this paper, we first develop a multistage inventory-queue model and a job-queue decomposition approach that evaluates the performance of serial manufacturing and supply systems with inventory control at every stage. We then present an efficient procedure to minimize the overall inventory in the system while meeting the required service level. Our technique is relatively simple and delivers accurate performance estimates. Furthermore, numerical studies generate certain managerial insights into related design and control issues. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Management Science INFORMS

Analysis and Optimization of a Multistage Inventory-Queue System

Management Science , Volume 50 (3): 16 – Mar 10, 2004
16 pages

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Publisher
INFORMS
Copyright
Copyright © INFORMS
Subject
Research Article
ISSN
0025-1909
eISSN
1526-5501
DOI
10.1287/mnsc.1030.0196
Publisher site
See Article on Publisher Site

Abstract

An important issue in the management of supply chains and manufacturing systems is to control inventory costs at different locations throughout the system while satisfying an end-customer service-level requirement. The challenge involved is to solve a nonlinear constrained optimization problem that captures the key dynamics of a complex production-inventory system. In this paper, we first develop a multistage inventory-queue model and a job-queue decomposition approach that evaluates the performance of serial manufacturing and supply systems with inventory control at every stage. We then present an efficient procedure to minimize the overall inventory in the system while meeting the required service level. Our technique is relatively simple and delivers accurate performance estimates. Furthermore, numerical studies generate certain managerial insights into related design and control issues.

Journal

Management ScienceINFORMS

Published: Mar 10, 2004

Keywords: Keywords : inventory queues ; manufacturing systems ; supply chains ; decomposition ; optimal inventory allocation

References