Table 3 Notations and descriptions of faults in TEP
From: Fault diagnosis of Tennessee Eastman process using signal geometry matching technique
Variable | Description | Type |
|---|---|---|
IDV(0) | Normal operation | - |
IDV(1) | A/C feed ratio, B composition constant (Stream 4) | Step |
IDV(2) | B composition, A/C 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 availablity (Stream 4) | Step |
IDV(8) | A, B, C feed composition (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 Drift |
IDV(14) | Reactor cooling water valve | Sticking |
IDV(15) | Condenser cooling water valve | Sticking |
IDV(16) | Unknown | Â |
IDV(17) | Unknown | Â |
IDV(18) | Unknown | Â |
IDV(19) | Unknown | Â |
IDV(20) | Unknown | Â |