2) order-up-to level
订货点量
1.
Adjusting order-up-to level through simulation optimization of complex logistics;
复杂物流系统订货点量仿真优化调整策略
2.
This paper discusses modeling and simulation of order-up-to levels of entities in CLs in an uncertain environment where periodic review policies are adopted.
讨论了在不确定性环境下,采取周期性盘点策略的复杂物流系统中各实体订货点量的建模与仿真问题。
3) reorder point
再订货点
1.
The model of simulation and parameter optimization for inventory control is establised,with the time-varying and stochastic characteristics of goods demands are taken into account as well as the stochastic characteristics of the goods arrivals lead-time,under the cosumption that the enterprise take the strategy of controling its inventory with fixed order batch and reorder point.
考虑产品需求时变性和随机性特点,以及到货提前期的随机性特点,并假定企业按照固定订货批量和再订货点控制库存的策略,建立了库存控制仿真与参数优化模型。
4) Order Point
订货点
1.
Research on Order Point of Distribute Center Based on VMI;
基于VMI的配送中心订货点仿真研究
2.
At premise that satisfy the customer抯 need, according to the distribution or historic data of lead time and demands velocity, the optimal order point is determined by computer simulation.
在以满足顾客需求的前提下,根据订货前置期和需求速率的分布函数或历史数据,通过模拟前置期需求量来确定最佳订货点。
3.
In this paper,by means of continual check of fixed order quantity and fixed order point,we establish a inventory control model in grain logistics system.
采取连续性检查的固定订货量、固定订货点策略,建立粮食库存控制模型,主要解决了两个决策量:粮食的订货点和最佳订货批量。
5) Point for order
定货点
6) stock-out times
缺货时点
1.
Based on games model,this paper studies Nash equilibrium problem of supplier and buyer s stock-out times and reorder frequency under time-varying demand and no alternative source.
本文基于博弈模型,研究在时变需求和无替代供应源的环境下供需双方缺货时点和补货次数的纳什均衡问题,并通过算例,具体分析了供需之间的关系,主要结论有:配送商的补货次数越大,零售商库存成本越小;补货次数优化后零售商与配送商的库存成本明显下降。
补充资料:点估计量
点估计量
point estimator
点估计量【,刃1111四tin坦tor;ro能,明ooe,。〕 一种统计估计量(statistical‘tlmator)、其值是被估计的量的值集中的点. 假设随机向量X=(X。,…,X尹取值于样本空间(王,刀,尸,).臼=(()、,…,口*)了涟。CR火,拟根据x的实现、二(戈、…,x。)下估计未知参数口(或某个函数g(的).那么.任意将集王映入O(或函数少(因的值集)的统计量兀二工,(X)称做口(或函数g(川)的点估计量(POlntestirnatol’).点估计量军的重要特征是其数学期望 。。,{:。}一丁工.(二)、尸‘,(x) 王和协方差矩阵 E。走(孔一〔{T,})(工一〔{了几,})勺·向量d(X)一叉,(X)一以(日)称为点估11一量T,,的误差向量(error说ctor of tl祀卯int岛tilnator).如果对于一切日〔O, b(日)=E.,是d(X)}=E.,丈瓦}一g(‘声)是零向量,则称工为函数g(引的无偏估公隆(unbi-沥edestimator)或称巩l不含系统误差;否则了;,称为有偏的(biased),而向量h(记功称为点估计量偏倚(b比)或系统误差(s努化nl改tlc crror).点估计量的质量,可以用风险函数来评价(见统计程序的风险(nskof a sta比石。1 pro“xjure).【补注】 IA一]Lch例,nn E .L.,刃leo砂of point est,幽tion,wil卿, 1983.周概容、王健译
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条