关键词: 装备, 维修策略, 维修阈值, 比例风险模型, 机会维修

Abstract: Aiming at the problem that the inconsideration for equipment correlation when maintained complex system with multi-set components,a maintenance strategy combined condition maintenance with opportunity maintenance was proposed.The proportional hazard model was used to predict the remaining life of components,and the prediction results was taken as the basis for formulating maintenance strategy.Three maintenance strategies that were perfect maintenance.imperfect maintenance and mixed maintenance were used respectively to make the opportunistic maintenance strategy.The opportunistic maintenance threshold in three maintenance strategies were optimized by taking the minimum average maintenance cost as the decision objective,and the corresponding minimum maintenance cost were calculated and compared.The effectiveness and practicability of the proposed method were validated by the maintenance problem of a complex system with multi-set components.

Key words: equipment, maintenance strategy, maintenance threshold, proportional hazard model, opportunistic maintenance