提前期

基于可控提前期和服务水平约束的（Q，r）库存问题

( Q , r ) Inventory Model with Controllable Lead Time and Service Level Constraint

分析了影响物料需求计划（Materialrequirementplanning，MRP）实施效果的提前期设置中存在的模型和功能两大方面的问题。

It analyses the existent problem on the lead time setup of MRP ( Material Requirement Planning ) .

快速反应的核心思想就是缩短反应顾客需求的提前期（Leadtime），即交货提前期。

The core thinking of quick response is to shorten the lead time in response to consumer 's demand .

IC能同时实现定制、零顾客订货提前期和低成本的目标。

IC can realize the synergies among customisation , zero customer lead time , and low cost .

基于动态批量和提前期的MRP研究

Research on the MRP Based on Dynamic Lot Size and Lead Time

制造资源计划MRPⅡ采购提前期的神经网络算法

Algorithm of Lead Time Using Neural Network in MRP ⅱ

供应链中提前期压缩的Pareto优化

Pareto Optimization in Supply Chain under Lead-time Reduction

J公司DVB组件采购提前期管理研究

Study on the Purchase Lead Time Management of DVB Components in J Company PURCHASE GUIDE

结果表明：信息不仅能够减弱牛鞭效应，还能减弱q即需求市场惯性和提前期对牛鞭效应的影响。相应的，q越大，提前期越长，信息共享对牛鞭效应的抑制作用则越明显。

The result showed that information sharing can weaken the bullwhip effect and influence of parameter q and leading time to the bullwhip effect .

而后，介绍了如何应用MRP理论根据BOM表和采购提前期等信息进行采购日期的运算，库存的ABC分类等。

It also introduces that the purchase date with BOM and purchase advanced date , the classification of ABC .

运用Matlab软件研究了提前期与库存成本的关系，说明了提前期的变化对药品库存系统有着重要的影响。

The relationship between lead-time and inventory cost is studied by Matlab software . It shows that the variety of lead-time has an important effect on medicine inventory systems .

模糊环境下可控提前期供应链库存优化的Stackelberg模型研究

Research on Stackelberg Model of Supply Chain Inventory Optimization with Controllable Lead Time and Fuzzy Circumstances

利用BP神经网络及其变形网络“识别”历史数据中最相似的“零件模型”，对新型零件的提前期进行“预测”。

It utilized the BP neural network and its transmutation network to identify the nearest part model in the history data , and to estimate the lead time of the redesigned parts .

第四章对MRP分系统简单介绍后分析研究了固定生产提前期；

In Chapter Four , it analyzes and studies the fixed advanced period of production after the simple introduction of MRP subsystem .

分析了现有的物料需求计划MRP系统中固定提前期和能力需求计划CRP事后调整所产生的弊端。

The paper analyzes the existing problem in both the fixed lead time and capacity requirement plan which has an effect on operating MRP .

进入以Internet为特色的21世纪，随着市场竞争的日益剧烈，产品的生命周期越来越短，强调质量、交货可靠性、价格、提前期增加了供应商选择的复杂性和选择范围。

Entered the Internet featuring the 21st century , with the increasingly fierce market competition , product life cycles is becoming shorter and shorter , emphasizing quality , delivery reliability , price and lead time increase the complexity of supplier selection and options .

可以说，提前期在ERPMRP-II系统中具有核心地位。

Capacity balance plan , etc. That is to say , the dynamic lead time is the core in ERP / MRP-II system .

货栈容量有限且库存量影响需求的供应链协调模型VMI系统下考虑订货提前期的集中运输与库存订货问题（英文）

Supply Chain Coordination Model with Limited Warehouse and Inventory-Dependent Demand ; Quantity-based shipment consolidation and stock replenishment policy with lead time in vendor-managed inventory system ;

借鉴漏斗模型和最优生产技术（optimizedproductiontechnology，OPT）的思想，提出了引入能力负荷状况，提前期的设置与能力负荷计划同时产生的MRP改进模式。

According to the funnel model and the OPT ( Optimized Production Technology ) theory , a description of improved MRP model was given . The lead time setup and the capacity load plan were made simultaneously in this model .

研究结果表明：当供应链的服务水平小于0.5时，提前期的压缩可以获得供应链成员收益的Pareto改进；

The result shows that lead-time compression can achieve the Pareto improvement of the supply chain actor 's profit when the service level of the supply chain is less than 0.5 ;

本文建立一个由交货提前期、产品质量、交货可靠度和产品价格组成的评价指标体系，并引入改进的TOPSIS法对供应商的选择进行研究。

This article develops a evaluating-index system which consists of lead time , product quality , delivery reliability and price of product , making a study with improved TOPSIS method .

JIT采购不但可以减少库存，还可以加快库存周转、降低提前期、提高采购件的质量及获得满意交货等效果。

JIT purchase can not only reduce storage level , but also increase inventory turnover rate , bring down lead time , improve quality of purchasing parts , and achieve satisfactory delivery goods .

同时应用MRP算法，构造了产品的结构树模型，根据生产计划确定了采购提前期，有效地控制了库存量，降低了库存资金的占用。

Meanwhile by applying arithmetic of MRP , the program constructs the frame tree model and determines the purchasing date , thus controlling the inventory effectively and decreasing the fund tied by inventory .

为此，本文就单件小批生产模式下的MRP系统的研究做了以下的工作：分析物料需求计划系统原理，研究了物料需求计划系统中BOM的设计和建模以及提前期设置柔性化等几个关键技术；

The efforts of the paper are as follows . Material requirements planning system theory is analyzed and key technologies of MRP system are researched including designing and modeling BOM and lead time flexibility ;

采用MRPⅡ/JIT混用思想，对生产批量的优化方法、主生产计划编排原则、关键资源计划协调方法、安全提前期的计算等进行了分析研究。

Analysis and study are made on batch optimizing production , main production planning lay-out , important resource planning coordination method and calculation of safety in-advance period with mixed use of MRPII / JIT .

在企业MRPⅡ/ERP管理中，缩短最终产品的累计提前期以提高响应客户需求的反应速度和降低物料库存是两个相互矛盾的目标。

When the manufactories are planning their materials resource , they may find that to lower the materials ' stock and to shorten the ahead accumulated period of final products are two conflicting target .

通过供应链物流整合，对按照订单生产（MTO）环境下汽车交付提前期（OTD）的压缩问题进行了研究。

Through the supply chain logistics integration , the time compression of vehicle order-to-delivery ( OTD ) in the make-to-order ( MTO ) environment is researched .

影响3PL选择的因素很多，其中交货提前期（T）、产品质量（Q）、交货可靠度（R）和产品价格（P）等4个因素是3PL选择的关键因素。

There are a lot of factors influencing 3PL to choose . Among them goods ahead of time for delivery ( T ), product quality ( Q ) , delivery reliability ( R ) and product cost ( P ) is four key factor for choosing 3PL .

在需求函数为均匀分布且预测偏差随提前期变化的条件下，分析了提前期压缩对供应链成员收益的影响，以及如何实现供应链成员收益的Pareto改进。

The effect of lead-time reduction on profits of supply chain actors is studied , the Pareto improvement of supply chain channel coordination is discussed base on the assumption that probability density function of the market demand is uniform distribution and the forecast bias varies along with lead time .

同时运用定量分析和定性分析法，使用TOPSIS模糊评估模型，通过对供应商库存量、交易价格、货品优良率、交货提前期等供应商考核指标，对供应商进行评价。

At the same time , the use of quantitative analysis and qualitative analysis , Assessment of the use of fuzzy TOPSIS model , through the inventory supplier , trade price , a good rate of goods , delivery lead-time suppliers , such as assessment indicators to evaluate suppliers .