SDG Model-Based Structures for Fault Detection
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TL;DR
A signed directed graph (SDG) model-based approach for fault diagnosis of process systems that is modular, the model for fault propagation is built from the mini SDGs of the units driven by the process flowsheet.
Abstract
A signed directed graph (SDG) model-based approach is given in this paper for fault diagnosis of process systems. The proposed method is modular, the model for fault propagation is built from the mini SDGs of the units driven by the process flowsheet. Thus the fault detection is decomposed into two steps: off-line generation of the SOG model and its rule set equivalent and the step of on-line fault detection.