Research Article
Nonlinear Fault Separation for Redundancy Process Variables Based on FNN in MKFDA Subspace
Table 2
State distribution in TE process.
| Fault | Disturbance | Type |
| 1 | A/C feed ratio, B composition constant | Step | 2 | B composition, A/C ratio constant | Step | 3 | D feed temperature | Step | 4 | Reactor cooling water inlet temperature | Step | 5 | Condenser cooling water inlet temperature | Step | 6 | A feed loss | Step | 7 | C header pressure loss-reduced availability | Step | 8 | A, B, C feed composition | Random | 9 | D feed temperature | Random | 10 | C feed temperature | Random | 11 | Reactor cooling water inlet temperature | Random | 12 | Condenser cooling water inlet temperature | Random | 13 | Reaction kinetics | Slow drift | 14 | Reactor cooling water valve | Sticking | 15 | Condenser cooling water valve | Sticking | 16–20 | Unknown | Unknown |
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