考虑产品变质的VMI混合补货发货策略及优化仿真  

Hybrid Replenishment and Dispatching Policy with Deteriorating Item for VMI:Analytical Model,Optimization and Simulation

作　　者：杜少甫[1] 梁樑[1] 张靖江[1] 卢正刚[1] 

机构地区：[1]中国科学技术大学管理学院,安徽合肥230026

出　　处：《中国管理科学》2007年第2期64-69,共6页Chinese Journal of Management Science

基　　金：国家自然科学基金(70371023);国家教育部博士点基金(20030358052)

摘　　要：本文研究了“产品可变质”情况下的VMI库存补货与装运调度问题,并建立了Poisson需求过程下的VMI混合补货发货模型,根据此模型通过简单的规划求解即可得到使长期平均成本最小的最佳混合策略组合。由于模型推演过程中涉及到对补货周期内期望发货次数的近似估计,因而模型解是拟最优的。算例和模型仿真显示,模型结果与仿真结果十分相近,从而模型有效性得以确认。This paper focuses on stock replenishment and shipment scheduling with deteriorating item for vendor-managed inventory systems. Under the assumption that demand process follows a typical Poisson process, hybrid replenishment and dispatching model for VMI is proposed. From this model, one of the best hybrid policies, under which the long-run average cost is minimized, can be obtained easily by solving a simple programming problem. However, solutions obtained from the model are unnecessarily the exactly optimal but near-optimal, approximation of expected dispatching number within a replenishment cycle is involved. Anyway, a numerical example and simulation show that the disparity between results through optimization and simulation is tiny or even negligible, which demonstrates the validity of the model.

关 键 词：供应商管理库存(VMI) 易腐产品 补货发货策略 装运整合 POISSON过程 仿真 

分 类 号：F253.4[经济管理—国民经济] F224