A digital twin approach to system-level fault detection and diagnosis for improved equipment health monitoring
Annals of Nuclear Energy（2022）
Abstract
•A system level approach to fault diagnostics in thermal hydraulic systems.•A digital twin with physics information fully utilized to supplement sensor data.•Introduction of virtual sensor concepts to overcome sensor set limitations.•Demonstrative results for various test cases with real-time plant data.
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Key words
Feedwater system,Real-time data,Model-based diagnosis,Fault detection,Digital twin
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