航材备件的精确保障必须将装备的使用情况和备件库存控制问题结合起来，才有利于保障人员进行正确的决策。从飞机的可用度着手，根据不同的费用标准，结合飞机的可用度和边际效用分析得到相应的最优库存模型；当费用较少时，综合考虑备件的重要度和飞机的实际使用情况，用两两赋值法求出备件的重要度权系数，重新计算可用度并调整各备件的存储量，对库存进一步进行优化；最后，给出了所提方法的计算步骤。实验结果表明，所提方法在备件库存优化中既能保证重点又能兼顾一般，既能发挥装备的最大军事效益又能节约国防成本。%Precise logistics of the aerial spare parts depends on the combination of equipment operation and spare parts inventory control. Depending on different cost standards,the optimal inventory model is established by considering the aircraft availability and marginal effects analysis together. When the cost standard is low,consider the importance of the Aerial spare parts and the actual operation of aircraft,and the weight coefficients of the Aerial spare parts can be obtained by the paired-evaluation method. Then,the storage of the spare parts inventory is optimized by recalculating the availability and readjusting the amount of it. The experiment results show that the proposed method not only can guarantee the optimization of the spare parts inventory,but also can save the cost of defense.
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