The Product Structure Data Exchange for Heterogeneous PDM Systems Based on the Virtual PDM
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摘要: 数据交换是协同设计的关键技术之一,而产品结构数据更是协同企业之间重要的交互数据。在分析了目前解决数据交换问题研究现状的基础上,本文中提出了通过构建在通用PDM基础上的广义PDM系统——虚拟PDM(VirtualPDM),来解决企业间异构PDM系统中产品结构数据的交换问题。首先描述了基于STEP PDM Scheme和XML表达的产品结构的数据模型,给出了虚拟PDM的定义,提出了基于虚拟PDM的产品结构数据交换总体框架,分析了虚拟PDM系统的各组成部分,然后建立了基于J2EE的产品结构数据交换技术框架,最后描述了实现框架的系统配置、数据交换的时序和数据映射,以例程描述了查询与返回生成文件。通过系统所述的方法,成功实现了异构PDM之间产品数据的交换。Abstract: Data exchange is one of the key technologies of collaborative design, and Product Structure Data become the important exchanging data among collaborative enterprise. Based on analyzing the actual related work of data exchange problem, this article brings forward a method of Virtual PDM, which is a extensive PDM built on general PDM, to solve the Product Structure Date exchange problem in heterogeneous PDM systems of each enterprise. Firstly, the data model of STEP PDM scheme and XML-based product structure data is described. The framework of VPDM-Based Product Structure Date exchange is proposed and the parts being composed the whole framework are analyzed. And then, the technology framework based on J2EE is constructed. At last, the system configuration implementing the framework and the data exchange sequence are listed. Meanwhile, files are shown, which are generated for query and return by instance demand. Using this method, Product Structure Data among heterogeneous PDM systems has been successful exchanged.
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Key words:
- VirtualPDM /
- product structure /
- data exchange /
- J2EE
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