关键词: 元模型, 产品生命周期管理, 模型驱动

Abstract: By applying industrial standards such as Unified Modeling Language (UML) and eXtensible Markup Language (XML), Model-Driven Architecture (MDA) was established for development of Product Lifecycle Management(PLM) system. Unified product meta model adopted UML as syntax expression. Meta model was Platform-Independent Model, which must be analyzed for application. With the help of stream-based model exchange format, UML was transferred to XML. In transforming process, Document Type Definition (DTD) for UML was defined, and Document Object Model (DOM) technology was adopted which generating XML. In development of PLM system, Platform-Independent Meta-Model should be transferred to Platform-Specific Model. PLM services were encapsulated in Common Object Request Broker Architecture (CORBA), so Interface Definition Language (IDL) should be generated from meta model. In the generating process of IDL, the mapping rules between IDL and meta model in UML were defined. The transformation from XML-based meta model to CORBA platform was discussed. Finally, the applications of meta model driven method in PLM projects were recommended.

Key words: meta model, product lifecycle management, model driven