The economic production lot-sizing problem with imperfect production processes and imperfect maintenance

This paper deals with an integrated model for the joint determination of economic production quantity and preventive maintenance (PM) level for an imperfect process having a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of th...

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Bibliographic Details
Published in:International journal of production economics 2002-04, Vol.76 (3), p.257-264
Main Author: Ben-Daya, Mohamed
Format: Article
Language:English
Subjects:
Imperfect processes
Integrated models
Mathematical models
Preventive maintenance
Production lot-sizing
Production scheduling
Studies
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Summary:This paper deals with an integrated model for the joint determination of economic production quantity and preventive maintenance (PM) level for an imperfect process having a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of the process is modeled using the imperfect maintenance concept. It is assumed that, after each PM, the age of the system is reduced proportional to the PM level. A numerical example is used to illustrate the effect of PM level on the cost of nonconforming items and restoration cost due to shift to the out-of-control state. It is found that performing PM will yield reductions in quality related costs. It is more economical to perform PM when the extra PM cost is compensated for by the reduction in quality related costs.
ISSN:0925-5273
1873-7579
DOI:10.1016/S0925-5273(01)00168-2