Abstract
Aiming to improve the productivity, portability, interoperability, and evolution of product lifecycle management (PLM) system by defining PLM architecture fundamentally at the model level, the total object unified model (TOUM) method is presented as the unified modelling technique to provide a model framework of PLM after analysing the manufacturing data structures. TOUM consists of domain schema, domain template, application model and application data which are used to abstract the concepts of manufacturing domain, format the meta-model of manufacturing data, construct the data model of PLM, and instantiate run-time data of PLM data model, respectively. Then three kinds of architectures based on TOUM is presented, which are development architecture, deployment architecture and application architecture, to unify and simplify modelling, design, implementation, deployment of PLM. At last, a model instance is shown based on the method of TOUM to confirm the validity of this method applied in a PLM product-CAXA V5.
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