A Characterization Method for Quality Formation of Nuclear Power Equipment Based on Collaborative Quality Flow Diagram

doi:10.3901/JME.2025.13.158

Abstract

Abstract: Nuclear power equipment generates massive data in the cross-enterprise collaborative intelligent construction environment, and its quality formation process is difficult to be "clear and traceable". Therefore, a quality formation characterization method based on a collaborative quality flow diagram is proposed. Firstly, the characteristics of collaborative quality control under intelligent construction of nuclear power are analyzed, and an approach of knowledge-based quality data is presented. The data model of "collaborative quality element" and "collaborative quality flow diagram" are defined to obtain and organize quality knowledge. Next, the triple structure of quality knowledge is established, and the business layer ontology model of collaborative quality flow diagram is constructed based on the improved skeleton method. The BFAC model is proposed to extract quality instances from unstructured data of quality text, and the knowledge mapping of structured data in the business platform is carried out based on the R2RML method to complete the instantiation knowledge filling of business layer ontology. Then, the Neo4j graph database is used to integrate and store quality knowledge to construct the collaborative quality flow diagram. The collaborative quality flow diagram is used to analyze the quality formation of nuclear power construction, which can visually characterize the quality formation of the concerned points, and transmit the quality formation information across platforms. Finally, the structured and unstructured data in the welding construction of a nuclear power plant containment are collected from the construction management system, non-conformity system, and other business platforms, to construct the collaborative quality flow diagram of steel lining welding, which demonstrated the visual representation of quality formation information and cross-platform transfer application of the concerned points, with good results. The proposed collaborative quality flow diagram provides a reference method for the characterization of quality formation, evolution, and traceability of complex products represented by nuclear power equipment.

Key words: quality formation of nuclear power construction, collaborative quality flow diagram, quality data intellectualization, intelligent construction

CLC Number:

TL372

YI Qian, WANG Hexiang, XU Mengyu, LIU Jieqiang, YI Shuping. A Characterization Method for Quality Formation of Nuclear Power Equipment Based on Collaborative Quality Flow Diagram[J]. Journal of Mechanical Engineering, 2025, 61(13): 158-173.

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