Mechanism design of data management system for nuclear power

Abstract

The data management system (DMS) developed in SNERDI is a central platform for data collection, storage, control, configuration, display, and application of all engineering data, serving for project design and management. The four-layer architecture of the DMS is proposed, and considering the specialty of nuclear power design data, key mechanisms on data modeling and storage, data collection, full text search, data visualization, and plant information model configuration are studied and solutions are presented. Specifically, the data is stored by a “name-value separation” method in which metadata and value is separately modeled and stored. Design data is collected through interfaces which acquire data either by standard template or by data extraction from engineering documents and 3D models. For full text search, all the documents are converted into plain text files, and the DMS database is “content-restored” into JSON-formatted files. Data visualization solves the problem of data display friendly and graphically, as well as 3D models navigation. The plant information model is configured by a three-step cascade style.