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Simultaneous determination of production lot size and preventive maintenance schedule for unreliable production system

Anis Chelbi (Centre de Recherche en Productique (CEREP), Tunis, Tunisia)
Nidhal Rezg (Laboratoire de Génie Industriel et de Production Mécanique (LGIPM), Metz, France)
Mehdi Radhoui (Laboratoire de Génie Industriel et de Production Mécanique (LGIPM), Metz, France)

Journal of Quality in Maintenance Engineering

ISSN: 1355-2511

Article publication date: 30 May 2008

Abstract

Purpose

The purpose of this study is to propose and model an integrated production‐maintenance strategy for unreliable production systems producing conforming and non‐conforming items.

Design/methodology/approach

The proposed integrated policy is defined and modeled mathematically.

Findings

The paper focuses on finding simultaneously the optimal values of the lot size Q and the age T at which preventive maintenance must be performed. These values minimize the total average cost per time unit over an infinite horizon.

Practical implications

The paper attempts to integrate in a single model the three main aspects of any manufacturing system: production, maintenance, and quality. It deals with the lot‐sizing problem for a production system which may randomly shift to an out‐of‐control state and produce non‐conforming units. The system is submitted to an age‐based preventive maintenance policy. The effect of performing preventive maintenance on quality‐ and inventory‐related costs is shown through a numerical example.

Originality/value

The paper proposes an integrated model that links EMQ, quality and an age‐based preventive maintenance policy. It is shown that performing preventive maintenance yields reduction in inventory‐ and quality‐related costs.

Keywords

Citation

Chelbi, A., Rezg, N. and Radhoui, M. (2008), "Simultaneous determination of production lot size and preventive maintenance schedule for unreliable production system", Journal of Quality in Maintenance Engineering, Vol. 14 No. 2, pp. 161-176. https://doi.org/10.1108/13552510810877665

Publisher

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Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited