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备件作为装备维修保障的重要物质资源,装备研制单位需要将使用方提出的备件满足率要求进行合理分配,为合理制定备件配置方案提供输入,已成为目前装备研制阶段急需解决的重要问题之一.针对备件满足率只有统计定义的问题,论文研究了单备件满足率和串联系统备件满足率的概率性质,给出了其概率模型,揭示了备件满足率的内涵和工程意义.在此基础之上,以串联系统备件满足率的概率模型为基础,研究了系统备件满足率的两种分配方法,即线性代数分配模型和以备件总重量最小为目标的备件配置优化模型,为合理制定串联系统备件保障方案提供了理论依据.
Spare parts, as an important material resource for equipment maintenance and protection, need to rationally allocate the spare parts satisfaction rate proposed by the user for the equipment development. Providing inputs for the rational formulation of spare parts configuration has become one of the most important issues to be solved urgently in the stage of equipment development. Aiming at the problem that the rate of spare parts satisfaction is only defined by statistics, the paper studies the probability of single part satisfaction rate and the spare part satisfaction rate of series system, and presents the probabilistic model to reveal the connotation and engineering significance of spare part satisfaction rate. Based on the probabilistic model of system spare parts satisfaction rate, two allocation methods of system spare part satisfaction rate, namely linear algebraic allocation model and spare parts configuration optimization model with minimum total spare parts weight as spare parts, are studied. Security programs provide a theoretical basis.