Research Article
Graph Feature Fusion-Driven Fault Diagnosis of Complex Process Industrial System Based on Multivariate Heterogeneous Data
| | Fault no. | Process variable | Type |
| | 1 | A/C ratio, B composition constant (stream 4) | Step | | 2 | B composition, A/C ratio constant (stream 4) | Step | | 3 | A feed loss (stream 1) | Step | | 4 | A, B, C feed composition (stream 4) | Random variation | | 5 | C feed temperature (stream 4) | Random variation | | 6 | Reaction kinetics | Slow drift | | 7 | Unknown | Unknown | | 8 | Unknown | Unknown | | 9 | Unknown | Unknown |
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