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航空学报  2013 

基于定期维护的产品维修策略研究

DOI: 10.7527/S1000-6893.2013.0198, PP. 1101-1107

Keywords: 维修策略,定期维护,视情维修,复合Poisson过程,优化

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Abstract:

维护是保持产品技术状态、降低失效发生的重要手段。通过分析维护对产品技术状态和失效变化规律的影响,利用复合Poisson过程描述了产品的维护效果,得到了定期维护条件下产品的寿命分布规律。在此基础上,提出了一种定期维护与视情维修相结合的维修策略,通过优化该维修策略下的产品维修费用,给出了最优的定期维护周期和预防性维修阈值。通过算例分析,表明该维修策略可以有效延长产品的维修间隔,从而大大减少产品全寿命期间的维修次数,产品在全寿命周期内的维修费用也得到了有效降低。

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