产品数据模型视图映射的矩阵描述  

A Mapping Matrix Between Two Views of Product Data Model

作　　者：杨青海[1] 祁国宁[1] 吴昭同[1] 

机构地区：[1]浙江大学机械与能源工程学院,浙江杭州310027

出　　处：《计算机集成制造系统-CIMS》2003年第6期421-425,共5页

基　　金：国家自然科学基金资助项目(799700036);国家863/CIMS主题资助项目(2001AA412010).~~

摘　　要：将产品数据模型表示为包含数据对象和关系对象的树状结构,并用矩阵的形式加以描述。认为产品数据模型由以设计视图为核心的各个视图组成,产品数据模型在视图上的投影是同构结构树,也用矩阵的形式加以描述。由此推导出两模型视图间的映射矩阵、交矩阵和并矩阵,并作为进一步理论研究和应用的基础之一。This paper describes a product data model as a product structural tree that is composed of data objects and relation objects, and expresses the product structural tree as a matrix. It proposes that a product data model consists of many views with the design view as the core. The view projections of a product data model are isomorphic structural trees that can also be expressed as a matrix separately. A mapping matrix, an intersection matrix and a union matrix between two views are derived from the two corresponding view matrixes. This theory can be regarded as one of the basis of the further research and application for product data models.

关 键 词：产品数据模型 产品建模理论 模型树 映射矩阵 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]