The campaign and lot size scheduling problem: a modification of the Economic Lot Scheduling Problem for the pharmaceutical industry
by Alex J. Ruiz-Torres, Pedro I. Santiago, Wenming Chung
International Journal of Logistics Systems and Management (IJLSM), Vol. 7, No. 2, 2010

Abstract: This paper presents a model to minimise inventory and setup costs in a multi-product operation where production is organised in campaigns. A campaign is defined as a number of successive, equally sized lots of a same product. Major and minor sets are considered. The decision variables are the per product time between campaigns and number of lots per campaign. Two cases are presented: when the time between campaigns is common to all products, and when it is a multiple of a common period. Examples are presented which demonstrate the cost differences based on the assumption of time between campaigns.

Online publication date: Tue, 03-Aug-2010

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