Research and Practice on Quality Information Model of Product Life Cycle
面向产品生命周期的质量信息模型研究与实践

This paper discussed the necessity of research on the quality information model of the product life cycle, built the quality information model of the product life cycle which included concepts, characteristics, structure and relationships on each submodels, and made the architecture based on expression layer, operation layer and data layer. This model is applicated in the enterprise, and achieved good results.