基于SAP和TOC的瓶颈识别

The bottleneck identification based on SAP and theory of constraint

在离散制造的模式下,生产管理应用TOC理论必须根据企业的特殊性作相应的适应性研究.为能够使用SAP生产管理系统来判定生产瓶颈,首先从企业实际需求出发,在调研和分析基础上,完成了基于Petri网的业务流程详细建模.在建模中尝试将工艺研发及调试作为生产的一个阶段建立于SAP-PP的工艺路线模型中,并通过设立虚拟物料解决了在SAP中的应用问题,继而将生产过程中每个节点所占用实际时间作为报工录入SAP系统,通过计算标准差掌握每个节点的时间波动,为现实条件下解决瓶颈识别提供了可行办法.

The application of theory of constraints in the production management should do some relevant research for adaptation to the particularity of the manufacturer in discrete manufacturing model. In view of the actual enterprises conditions and on the basis of overall investigating and analyzing the fact, this thesis accomplished the business process modeling by using the modeling method of Petri nets and identified the production bottleneck by using production management of SAP. In modeling, the technique research-and-development and adjustment are tried to be considered as a step of production process and be build in the model of SAP-PP. The problem about how to apply in SAP is solved by setting up virtual material. The actual time of every node in the production process is entered into the system of SAP as ＂production order confirm＂. Then the time wave of every node can be held by calculating stan- dard deviation. An effective method of bottleneck identification in reality is offered.