The impact of inspection errors,imperfect maintenance and minimal repairs on an imperfect production system |
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| Authors: | Ya-Hui Lin Jen-Ming Chen Yan-Chun Chen |
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| Affiliation: | 1. Department of Industrial Engineering and Management, Asia-Pacific Institute of Creativity, Toufen, Miaoli 35153, Taiwan, ROC;2. Institute of Industrial Management, National Central University, No.300, Jhongda Road, Jhongli, Taoyuan 32001, Taiwan, ROC;3. Department of Industrial Engineering and Management, Tungnan University, Shen-Keng, Taipei 22202, Taiwan, ROC |
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| Abstract: | This paper develops an integrated model of production lot-sizing, maintenance and quality for considering the possibilities of inspection errors, preventive maintenance (PM) errors and minimal repairs for an imperfect production system with increasing hazard rates. In this study, a PM activity is imperfect in that a production system cannot be recovered as good as new and might cause the production system to shift to the out-of-control state with a certain probability. Numerical analyses are used to simulate the effect of changes in various parameters on the optimal solution for which the time that the process remains in the in-control state is assumed to follow a Weibull distribution. In addition, we investigate the effects of inspection errors and PM errors on the minimum total cost of the optimal inspection interval, inspection frequency and production quantity. |
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