Abstract
PurposeAccording to the relevance of product quality and machine degradation state, a hybrid maintenance policy is designed. The paper aims to discuss this issue.Design/methodology/approachProduct quality control and machine maintenance are considered simultaneously in this policy. Based on this policy, the economic model of x-bar control chart is proposed using statistical process control and renewal reward theory.FindingsThis model is solved by genetic algorithm and the experimental results validated its feasibility.Originality/valueIn this model, the four corresponding relationship, which is between product quality monitoring result and machine degradation state, is analyzed.
Published Version
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