Notice of RetractionMaintenance optimization considering dependent competing failure based on renewal process

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

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The maintenance optimization problem of mechanical component is studied in this article, in which competing failure and the influences of shock process are considered. With the objective to minimize the average long-term cost rate, the optimal maintenance model is established based on the theory of renewal process, the effects that the parameters of the model act on the maintenance policy are analyzed, including inspection interval, inspection time, preventative maintenance, and degradation failure threshold. On the basis of periodic inspection, various maintenance costs are taken into account, including inspection cost, cost of preventative maintenance, cost of corrective maintenance and downtime cost. By solving the model, the optimal maintenance strategy can be obtained. A numerical example is given to illustrate the proposed model.