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Joint quality control and preventive maintenance strategy for imperfect production processes

Abstract : In this paper, we develop a joint quality control and preventive maintenance policy for a production system producing conforming and nonconforming units. The considered system consists of one machine which must supply another production line operating on a just-in-time basis. Each lot produced by the machine is subject to a quality control. According to the proportion l of nonconforming units observed and compared to a threshold value l m , one decides to undertake or not maintenance actions on the system. In order to palliate perturbations caused by the stopping of the machine for preventive and corrective maintenance actions of random durations, a buffer stock h is built up to ensure the continuous supply of the subsequent production line. The proposed strategy is modelled using simulation and experimental design. This approach allows to generate a second order response surface allowing to easily determine the optimal rate, lm*{l_{m}^*}, of nonconforming units on the basis of which preventive maintenance actions should be performed, and the optimal size, h*, of the buffer stock to be built. These values minimize the total cost per time unit which includes the costs related to maintenance, quality and inventory.
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Submitted on : Friday, June 17, 2011 - 4:04:54 PM
Last modification on : Friday, February 4, 2022 - 3:11:21 AM

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Medhi Radhoui, Nidhal Rezg, Anis Chelbi. Joint quality control and preventive maintenance strategy for imperfect production processes. Journal of Intelligent Manufacturing, Springer Verlag (Germany), 2010, Special Issue on Intelligent and Cooperative Maintenance in Manufacturing Systems (ICMMS), 21 (2), pp.205-212. ⟨10.1007/s10845-008-0198-x⟩. ⟨inria-00601419⟩



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