易变质商品的二级库存模型的合作策略

摘要

针对易变质商品的两级库存系统中的库存控制策略问题,在需求率、变质率确定的情况下,建立了供应商和销售商的易变质商品的库存控制数学模型.假设该模型中易变质商品的寿命分布函数服从指数分布,将供应商和销售商之间的二级库存的合作问题转化为一个生产商自给自足的生产问题.最后通过算例及函数图像,验证了模型的正确性和求解算法的有效性.通过与传统方法对比,得出了最优的库存控制参数,避免了销售商库存水平呈指数增长.%Considered the inventory control policy issues of two levels inventory system with perishable goods,the inventory control mathematical model for perishable goods is established between suppliers and sellers under the demand rate and the deterioration rate determined.It assumes that the life distribution function for perishable goods is exponentially distributed.Meanwhile,the problem of two levels cooperation between suppliers and vendors is transformed into the issue of a self-sufficient production manufacturer.Finally,the accuracy of the model and solution algorithm is conformed by the simulation of a numerical example.Compared with traditional methods,the optimal inventory control parameters are found.The inventory of vendor stocks will be avoided with increasing exponentially.