material requirements planning

The MRP ⅱ system ( Manufacturing Resources Planning System) is a close-loop business-production management system which has MRP ( Material Requirements Planning) as the kernel to unify the organization and management of material/ capital movement.

制造资源计划MRPⅡ系统（Manufacturing Resources Planning）是指以物料需求计划MRP（Material Requirements Planning）为核心，对物资运动和资金运动统一管理的闭环经营生产管理系统。

The Designment and Realization of the Algorithm of Material Requirements Planning Based on Low Level Code

基于低层码的MRP算法研究与实现

Order Policy: This field determines how Material Requirements Planning ( MRP) plans orders for this item.

订货原则：这个参数定义MRP如何为零件建立计划订单。

Among them, the middle level plan is the focus of this system, and it consists of Master Production Planning ( including machining plan and procedure plan), Material Requirements Planning ( including roughcast plan) and Capacity Requirements Planning.

其中，中层计划是本文研究的重点，具体包括了主生产计划（包含机加计划和工序计划）、物料需求计划（包含毛坯计划）和能力需求计划。

Based on the SAP ERP system, BOM is the basis for material management, Material requirements planning and Integrated management of the entire supply chain is the key to material management.

基于对SAP ERP系统的物料管理模式的研究，得出物料库存管理是围绕BOM来进行的，其关键在于需求计划的制定和整个供应链的集成管理。

A comparative study on material requirements planning and just-in-time

物料需求计划与准时生产制的对比分析

Study of Theory and Method of Material Requirements Planning

MRP理论与方法的研究

On the basis of relative analysis of primary compute models for material requirements planning, improved arithmetic for material requirements planning is put forward in little batch manufacturing mode;

在对传统物料需求计划主要计算模型分析比较的基础上，提出了单件小批量生产环境下物料需求计划改进算法&伸缩式MRP算法；

Simulation Study on Instability of Material Requirements Planning

物料需求计划不稳定性的模拟研究

Combined with the actual situation of a company, design the Master Schedule Planning ( MPS), Material Requirements Planning ( MRP), Capacity Requirements Planning ( CRP) of the specific function, the data flow and key algorithms. 3.

结合某公司的实际情况，设计了主生产计划（MPS）、物料需求计划（MRP）、能力需求计划（CRP）的具体功能、数据流程和关键算法。

A Computer-Aided Algorithm for Producing Material Requirements Planning

一种企业物料需求计划计算机辅助生成算法

For material requirements planning with uncertain demands under rolling horizon, a simulation is conducted to study the impacts of the freezing parameters and two typical scheduling algorithms on the instability of the production schedule in different production environments. design factors;

介绍物料需求计划不稳定性的基本概念和模拟研究方法。在不确定性需求的滚动式计划环境下，研究冻结参数和计划算法在不同生产条件下对物料需求计划不稳定性的影响。

Material requirements planning system is developed with maintaining data, making MRP plan, adjusting MRP plan, displaying MRP plan functions and so on; Last, the parts remained to be improved are discussed.

开发了物料需求计划系统，实现了基础数据维护，MRP计划生成、MRP计划调整和MRP结果显示和查询等功能，最后讨论了系统需要完善的地方。

In order to improve the efficiency of computerized production management system MRP, this paper introduces a new algorithm for producing material requirements planning.

为了提高计算机辅助生产管理系统MRP的效率，本文介绍了一种新的物料需求计划生成算法。

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;

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；

ERP, which was developed from MRP ( the material requirements planning), is produced with change of enterprise's outside competitive environment.

ERP是从MRP（物料需求计划系统）发展起来的，是随着企业外部竞争环境的变化而产生的，有其自身的发展进程。