Joint quality control and preventive maintenance strategy: a unique taguchi approach

A. Azadeh (), M. Sheikhalishahi, S. Mortazavi and E. Ahmadi Jooghi
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A. Azadeh: University of Tehran
M. Sheikhalishahi: University of Tehran
S. Mortazavi: University of Tehran
E. Ahmadi Jooghi: University of Tehran

International Journal of System Assurance Engineering and Management, 2017, vol. 8, issue 1, No 11, 123-134

Abstract: Abstract Production systems are exposed to machine failures and in most of them, buffer stocks are built between machines to guarantee that demands will be supplied during the interruptions because of breakdowns or periodic preventive maintenance (PM) actions. Also determination of the optimal maintenance policy in a production line is critical and it leads to provide a reliable system at lowest average total cost per time unit (comprising maintenance, quality and inventory costs). This is achieved by considering thresholds for nonconforming units and comparing with the proportion of produced nonconforming units and decides whether to undertake maintenance actions or not. The objective of this study is to integrating three aspects of quality, maintenance and production in operational units. In order to show the capability and effectiveness of the proposed approach, an operational unit consists of two machines is considered as a case study. The problem is modeled by simulation and the values of buffer stocks and nonconforming unit thresholds are determined to obtain the minimum average total cost using Taguchi method. Different rejection rates and buffer stocks values were given to the model as inputs in order to find the minimum average total cost which can satisfy the demand.

Keywords: Preventive maintenance; Buffer stock; Simulation; Quality control; Taguchi (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s13198-016-0536-x

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