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一类跳扩散需求存贮系统(s,S)库存控制策略研究 被引量:2

Study on(s,S) Stochastic Inventory Control Policy with Jump Diffusion Demands
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摘要 考虑的是连续检查库存,需求为一个常时间函数和一个复合Poisson跳扩散随机过程的和的存贮系统最优库存控制问题.基于期望折扣成本最小建立了无穷时间区间具有固定订购成本的最优库存模型,确定可采用(s,S)策略进行库存控制,给出了最优(s,S)策略的充要条件——HJB方程Ⅰ、Ⅱ.我们采用"猜测"的方法确定了最优(s,S)策略对应的值函数形式,建立了确定库存参数的最优化模型. We analyze an infinite horizon,single-item,continuous review inventory model with demands made up of a constant continuous demand,and a compound Poisson jump diffusion demand process.In the presence of a fixed ordering cost,we construct the optimal inventory model based on minimizing the total expected discounted cost,verify(s,S) inventory policy is feasible.We give the necessary and sufficient conditions the optimal(s,S) policies satisfies,that is the equations of HJBⅠ,Ⅱ.We identify the expression of the optimal value function by using guess technique and construct an optimal model to obtain the optimal control parameters.
出处 《应用数学学报》 CSCD 北大核心 2010年第4期611-623,共13页 Acta Mathematicae Applicatae Sinica
基金 国家自然科学基金(10971230)资助项目
关键词 随机存贮 (s S)策略 复合泊松过程 扩散 哈密尔顿-雅可比-贝尔曼方程 stochastic inventory (s S) policies compound poisson process diffusion Hamilton-Jacobi-Bellman equation(HJB)
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参考文献15

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