分布式设计环境下的产品数据合成技术

为了实现企业动态联盟运行模式下的分布式产品数据管理，采用了在盟主企业建立中心库、在各联盟企业建立次级库的分层产品数据存储策略，定义了中心库和次级库中的动态产品数据的主要组成；实例分析了产品数据合成过程中的关键文件的主要格式、属性及属性含义；以该文件为产品结构化元数据的中性标准文件，以主－辅服务器并行协同方式为产品数据合成过程中的主要工作模式，以FTP为文件传输协议，建立了异地分布式环境下的产品数据合成方法；分析了产品数据合成过程中的主要冲突类型和相应的冲突消解策略。以某航空动态联盟为应用背景，对相关技术进行了应用验证。

Product Data Integrated Techniques Based on Distributed Product Design Environment

In order to implement product data management based on distributed environment among the dynamic alliance enterprises, the hierarchical-storing system of product data is used, which consists of the central product database in the chief enterprise and secondary product database in all dynamic alliance enterprises. The main data structure in the central and secondary database is defined, and the main format, attribute and attribute meanings of Product Data Interface File(PDIF) which is used as key data exchange file in the product data integrating process, are analyzed by example. An integrated method is proposed in the distributed data environment, which uses PDIF file as standard data exchange file, multi-server cooperation as task mode and FTP as file transport protocol. The main data collision types are analyzed and corresponding collision-erasing methods are designed in the product data integrating process. All key enabling techniques have been practiced in an aviation project and the approaches proposed have been verified.