Joint Optimization of Economic Production Quantity and Preventive Maintenance with Considering Multi-Products and Reserve Time

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Document typeArticle
Defense date2017-09
PublisherOmniaScience
Rights accessOpen Access
Abstract
Purpose: We deal with the problem of the joint determination of optimal economic production
quantity (EPQ) and optimal preventive maintenance (PM) for a system that can produce multiple
products alternately. The objective is to find the optimal number of production cycles and the
PM policy simultaneously by minimizing the cost model.
Design/methodology/approach: Considering the products go through the system in a
sequence and a complete run of all products forms a production cycle. In each cycle, beyond
production time we also consider some reserve time for maintenance and setup, shortage and
overproduction may occur. We study the integrated problem based on two PM policies, and
explain the situation with the other PM policies. The delay – time concept is used to model PM
decisions.
Findings: Using the integrated EPQ and PM model, we can calculate the optimal production
planning and PM schedule simultaneously, especially we consider multiple products in each
production cycle, which is more practical and economic than previous works.
Originality/value: In modern companies, the production planning and maintenance schedule
share the same system, and traditional research about two activities is separated, that always
generate conflicts, such as inadequate or excessive maintenance, and shortages, etc., so we develop
the integrated EPQ and PM model to avoid these undesirable effects.
CitationLiu, X.; Wang, B. Joint Optimization of Economic Production Quantity and Preventive Maintenance with Considering Multi-Products and Reserve Time. "Journal of Industrial Engineering and Management", Setembre 2017, vol. 10, núm. 3, p. 431-443.
DLB-28744-2008
ISSN2013-0953
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