CAJ | 학술논문

针对装备使用阶段可修复件的采购优化问题，引入近似拉普拉斯需求概率分布代替正态分布，建立了采购间隔期内的备件短缺函数。根据供应链系统库存控制论，建立了可修备件的采购模型。通过对可修件周转渠道的分析，对采购短缺指标进行了修订，并给出了最优采购点和采购量的计算方法。对两种需求分布下的算例结果进行了对比和分析，结果表明：该模型得到的结果鲁棒性强、偏差小，优化过程简单，为故障率高、消耗量低的可修件采购方案的确定提供了一种新的思路。
침대장비사용계단가수복건적채구우화문제，인입근사랍보랍사수구개솔분포대체정태분포，건립료채구간격기내적비건단결함수。근거공응련계통고존공제론，건립료가수비건적채구모형。통과대가수건주전거도적분석，대채구단결지표진행료수정，병급출료최우채구점화채구량적계산방법。대량충수구분포하적산례결과진행료대비화분석，결과표명：해모형득도적결과로봉성강、편차소，우화과정간단，위고장솔고、소모량저적가수건채구방안적학정제공료일충신적사로。
To solve the problem of repairable spares procurement optimization,an approximate Lap-lace demand probability distribution is introduced to replace the normal distribution,so as to deter-mine the function of back-order spare parts in the intervals of procurement.According to the invento-ry control theory of supply chain system,a repairable spares procurement model is constructed. Through the analysis of repairable spares turnover channel,the back-order index in procurement is re-vised,and a calculating method of optimal procurement point and order quantity is formulated.The numerical example used for analyzing and comparing the results under the two demand distributions shows that the model is characterized by strong robustness,high accuracy,and simple computation process,and that the research findings can provide a new approach to making a procurement project for repairable spares parts of high failure rate and low consumption.