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With the development of the monitoring technology,it is more and more common that the system is continuously monitored.Therefore,the research on the maintenance optimization of the continuously monitored deterioration system is important.The deterioration process of the discussed system is described by a Gamma process.The predictive maintenance is considered to be imperfect and formulated.The expected interval of two continuous preventive maintenances is derived.Then,the maintenance optimization model of the continuously monitored deterioration system is presented.In the model,the minimization of the expected operational cost per unit time and the maximization of the system availability are the optimization objectives.The improved ideal point method with the normalized objective functions is employed to solve the proposed model.The validity and sensitivity of the proposed multiobjective maintenance optimization model are analyzed by a numerical example.
With the development of the monitoring technology, it is more and more common that the system is described by a Gamma the predictive maintenance is considered to be imperfect and formulated. The expected interval of two continuous preventive maintenances is derived. Chen, the maintenance optimization model of the continuously monitored deterioration system is presented. In the model, the minimization of the expected operational cost per unit time and the maximization of the system availability are the optimization objective functions is employed to solve the proposed model. validity and sensitivity of the proposed multiobjective maintenance optimization model are analyzed by a numerical example .