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A multiple objective approach to scheduling the preventive maintenance of modular aircraft components

机译：安排预防性维护模块化飞机部件的多目标方法

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摘要

Preventive maintenance (or overhaul) is crucial for military aircraft operations because it dictates the mission readiness level and aircraft operating costs. For example, preventive maintenance not only improves the lifetime aircraft reliability/safety by avoiding unexpected equipment failure and downtime, but it also enhances the efficiency of managing spare-part by planning the replacements and replenishment of spare parts within the predetermined time interval. Despite such benefits, preventive maintenance may not be economical, unless its schedule is determined in such a way that its overall preventive maintenance costs including costs associated with the purchase of spare modules is less than the total costs of corrective actions including downtime/idle costs, repair costs, and mission failures. With that in mind, we propose a dynamic goal programming (GP) model that aims at determining the optimal number of spare modules, while meeting the scheduled due dates for preventive maintenance under budget constraints.
机译：预防性维护（或大修）对于军用飞机的运营至关重要，因为它决定了任务的就绪程度和飞机的运营成本。例如，预防性维护不仅可以通过避免意外的设备故障和停机时间来提高飞机的使用寿命，而且还可以通过计划在预定时间间隔内进行备件的更换来提高管理备件的效率。尽管有这些好处，但预防性维护可能并不经济，除非以这样一种方式来确定预防性维护的时间表：其总体预防性维护成本（包括与购买备用模块相关的成本）少于纠正措施的总成本（包括停机时间/空闲成本），维修费用和任务失败。考虑到这一点，我们提出了一个动态目标规划（GP）模型，该模型旨在确定备用模块的最佳数量，同时在预算约束下满足预防性维护的预定到期日期。

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