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A general lotsizing problem with uncertain product returns
Amand, Guillaume; Arda, Yasemin
2015EURO 2015 - 27th European Conference on Operational Research
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Keywords :
stochatsic problem; scheduling and lotsizing; dynamic programing
Abstract :
[en] We consider a single-stage system that produces a range of final products. The demands of the final products are supposed deterministic over a finite planning horizon. Each unit of demand has to be fulfilled at the period that it appears using either the production of that period or the inventory carried over from the earlier periods. The final products can either be manufactured using purchased materials or remanufactured using remanufacturable returned products. For each final product, the manufactured and remanufactured items are perfectly substitutable. The returned products are collected at the start of each period but the quantities obtained are unknown until the collection. The return inventories accumulate as remanufacturable returned items are received. The manufacturing and remanufacturing processes of all the final products are executed on a same machine. In each time period, multiple products can be processed but the total production quantity is limited by the time availability of the machine during this period. Whenever production is switched from one final product to another, a sequence dependent setup cost is incurred and a sequence depen- dent setup time is consumed from the available time capacity. Different stochastic combinatorial optimization methods as well as dynamic programming methods are proposed, tested and compared.
Disciplines :
Production, distribution & supply chain management
Author, co-author :
Amand, Guillaume ;  Université de Liège > HEC-Ecole de gestion : UER > UER Opérations : Supply Chain Management
Arda, Yasemin  ;  Université de Liège > HEC-Ecole de gestion : UER > UER Opérations : Supply Chain Management
Language :
English
Title :
A general lotsizing problem with uncertain product returns
Publication date :
15 July 2015
Event name :
EURO 2015 - 27th European Conference on Operational Research
Event organizer :
University of Strathclyde
Event place :
Glasgow, United Kingdom
Event date :
12-15 Juillet 2015
Audience :
International
Peer reviewed :
Editorial reviewed
Available on ORBi :
since 02 October 2015

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