模具生产车间情景仿真平台设计与开发

发布时间：2018-08-29 08:08

【摘要】：模具制造是属于多品种、小批量、按定单生产的制造模式,其生产具有定单的到达时间不确定、工艺流程不确定和加工工时难以预测等典型特点。以上不确定因素的存在,加之模具生产属于多模具项目共享关键资源,从而导致对模具加工进度及其交货期预测极具难度；并使得生产计划难以按期执行,最终导致诸多模具定单拖期。因此,为提高模具定单准时交货率,对模具制造进行模拟及预测,进而为企业提供相应的决策支持,具有重要的意义为此,本文基于对某模具企业的生产需求调研,采用eM-Plant面向对象的仿真技术对模具生产车间进行建模,构建了模具生产车间情景仿真平台。通过该平台不仅可获取当前生产车间的运行情况；同时基于当前生产情况,还可对未投入生产的模具定单交货期进行预测；此外,对急单插入等模具制造过程中的随机因素进行相应的策略仿真。本文的主要研究内容：第一,本文从模具企业生产过程、ERP生产管理系统、仿真平台验证、仿真平台应用分析上对该情景仿真平台进行需求分析,进而提出了构建模具生产车间情景仿真平台的整体框架；第二,基于需求分析,从理论模型建模方法、仿真策略、仿真模型设计与仿真平台各层次控制器模型设计等方面对模具生产车间情景仿真平台进行设计；第三,在需求分析及平台设计的基础上,实现了该情景仿真平台。核心技术包括数据驱动、仿真平台控制、模具车间特征、数据记录与分析等。并用假设检验的方法验证了该情景仿真平台的有效性；最后,通过应用该仿真平台模拟了当前模具车间生产实际；并对模具定单交货期进行了预测；同时对急单插入等随机因素进行了相应的策略仿真。本文在分析模具生产车间基本特点的基础上,对情景仿真系统的构建进行了研究,着重探讨了该情景仿真平台的关键方法。经实践验证,本文的研究成果具有一定的实用及推广价值
[Abstract]:Mould manufacturing is a multi-variety, small-batch, order-based manufacturing mode. Its production is characterized by uncertain arrival time of orders, uncertain process flow and unpredictable processing time. It is very difficult to predict the schedule and delivery time, and it makes it difficult to carry out the production plan on schedule, which eventually leads to the delay of many mold orders.
Therefore, based on the investigation of the production demand of a mould enterprise, this paper uses eM-Plant object-oriented simulation technology to model the mould production workshop and constructs the scene simulation platform of the mould production workshop. The delivery time of the mold order is forecasted. In addition, the stochastic factors in the mold manufacturing process such as urgent insertion are simulated. The main contents of this paper are as follows:
Firstly, this paper analyzes the requirement of the scene simulation platform from the production process of mould enterprises, ERP production management system, simulation platform validation, simulation platform application analysis, and then puts forward the overall framework of the scene simulation platform for mould production workshop.
Secondly, based on requirement analysis, the scene simulation platform of mold production workshop is designed from the aspects of theoretical modeling method, simulation strategy, simulation model design and controller model design of each level of simulation platform.
Thirdly, on the basis of requirement analysis and platform design, the scenario simulation platform is realized. The core technologies include data drive, simulation platform control, mold workshop characteristics, data recording and analysis, and the validity of the platform is verified by hypothesis test.
Finally, the simulation platform is used to simulate the actual production of the mold workshop, predict the delivery time of the mold order, and simulate the corresponding strategy for the stochastic factors such as urgent insertion.
Based on the analysis of the basic characteristics of mold workshop, this paper studies the construction of scene simulation system, and emphatically discusses the key methods of the scene simulation platform.
【学位授予单位】：广东工业大学
【学位级别】：硕士
【学位授予年份】：2011
【分类号】：TH186

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