Study on structure of fault diagnosis expert system for DCS of nuclear power plant

Based on the study of the DCS features for the nuclear power plant and the main content about the expert system of failure diagnoses, the application cases of different structure types were analyzed, and then the appropriate structure of fault diagnosis expert system for DCS of nuclear power plant was chosen. A primary structure scheme was constructed according to the analysis result. This is a basic reference for following nuclear project practice of the DCS fault diagnosis expert system. (authors)