【摘要】 考虑变质物品面临指数时变需求,仓库出空期间短缺量拖后率与库存水平和生产状况相关,建立了相应的生产库存模型.运用Mathematica 5.0版软件进行数值仿真寻优,得到模型唯一最优解.库存系统主要参数的灵敏度分析表明,需求增长因子和丢单因子对计划期内库存系统总成本影响较小,而服务水平和变质系数对计划期内库存系统总成本影响较大,在进行生产型企业库存控制决策时必须考虑这些因素.更多还原

【Abstract】 This paper presents an exponential time-varying demand production-inventory mode for deteriorating items with variable lost sale factor and backlogging rates relative to the inventory level and production stages during shortage period.The unique optimal solution is found by Mathematica 5.0.It is proved that service level and deteriorating rate have a greater impact on inventory total cost than demand increasing factor and lost sale factor by sensitivity analysis.The factors must be considered for inventory decision-making of production enterprises.更多还原