Document Type : Original Article

Authors

1 School of Industrial Engineering, College of Engineering, University of Tehran, P.O. Box: 1439955961, Tehran, Iran

2 Department of Industrial Engineering, Faculty of Engineering, Yazd University, Yazd, Iran

Abstract

The management of machine replacement is an effective decision-making process in controlling disruptions in industries. Specifically, determining a proper policy for replacing equipment and machines can decrease production costs. Therefore, it is of great importance for decision-makers to take an appropriate machine replacement policy into account. Hence, in this study, a maintenance policy is proposed which includes two costs: (i) preventive maintenance and (ii) quality control. The optimal policy is determined using both Bayesian inference and dynamic programming approaches. Specifically, a lifetime function and its parameters are modeled using Bayes’ theorem. In addition, a dynamic programming model is applied to determine the best decision-making policy among three policies: (i) replacing the machine, (ii) continuing the process, and (iii) repairing the machine. Also, a numerical example is carried out, and some discussions are provided.

Keywords

Main Subjects

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