Table 2.
Process faults for Tennessee Eastman process. Reprinted with permission from ref. [51]. Copyright 2019 Elsevier.
| Fault | Process Variable | Type |
|---|---|---|
| IDV (1) | A/C feed ratio, B composition constant (stream 4) | Step |
| IDV (2) | B composition, A/C feed ratio constant (stream 4) | Step |
| IDV (3) | D feed temperature (stream 2) | Step |
| IDV (4) | Reactor cooling water inlet temperature | Step |
| IDV (5) | Condenser cooling water inlet temperature | Step |
| IDV (6) | A feed loss (stream 1) | Step |
| IDV (7) | C header pressure loss-reduced availability (stream 4) | Step |
| IDV (8) | A, B, and C feed compositions (stream 4) | Random variation |
| IDV (9) | D feed temperature (stream 2) | Random variation |
| IDV (10) | C feed temperature (stream 4) | Random variation |
| IDV (11) | Reactor cooling water inlet temperature | Random variation |
| IDV (12) | Condenser cooling water inlet temperature | Random variation |
| IDV (13) | Reaction kinetics | Slow shift |
| IDV (14) | Reactor cooling water valve | Sticking |
| IDV (15) | Condenser cooling water valve | Sticking |
| IDV (16) | Unknown | Unknown |
| IDV (17) | Unknown | Unknown |
| IDV (18) | Unknown | Unknown |
| IDV (19) | Unknown | Unknown |
| IDV (20) | Unknown | Unknown |
| IDV (21) | Valve position constant (stream 4) | Constant position |