A multi-layered quality data model framework was proposed to support product lifecycle based on the analysis of quality data throughout product lifecycle and product evolution process and action chain. The model was comprised of 6 layers, the core of which was the general bill of material(GBOM) layer made up of product structure models and product evolution models. Under the constraint of product structure, GBOM was mapped into several bill of material(BOM) views throughout a product′s lifecycle. According to the process of quality management for product lifecycle, each BOM view was then instantiated as carriers of quality data. At each stage, the quality operation activities that link quality data objects were organized around the carriers, the center of the management process. Mapped successively among carrier layer, quality process layer, quality activity layer, quality object layer and physical data layer, quality data were integrated throughout a product′s lifecycle.
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