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兵工学报  2012 

改进的分层边际算法优化备件的初始配置方案

, PP. 1251-1257

Keywords: 运筹学,备件,多级维修供应,分层边际优化,可用度,初始配置

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Abstract:

?对备件配置方案进行优化是提高保障效能,减少装备寿命费用的关键,而多级维修供应模式下的备件模型求解是大规模、非线性的NP难问题。为提高模型算法的优化效率,研究并建立了基于可用度的备件初始库存配置优化模型,在传统边际优化算法的基础上,通过引入分层优化的思想对算法进行改进,提出一种改进的分层边际优化算法,用以提高算法的优化效率。给出了该算法的设计思路和优化流程,在理论上对算法的优化效率进行了分析。算例数值结果表明:在计算结果一致的前提下,分层边际优化算法的运算效率提高了近3倍,能够在工程应用上为备件库存配置的优化方法提供一种新的思路。

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