Research Article

Nonlinear Fault Separation for Redundancy Process Variables Based on FNN in MKFDA Subspace

Table 2

State distribution in TE process.

FaultDisturbanceType

1A/C feed ratio, B composition constantStep
2B composition, A/C ratio constantStep
3D feed temperatureStep
4Reactor cooling water inlet temperatureStep
5Condenser cooling water inlet temperatureStep
6A feed lossStep
7C header pressure loss-reduced availabilityStep
8A, B, C feed compositionRandom
9D feed temperatureRandom
10C feed temperatureRandom
11Reactor cooling water inlet temperatureRandom
12Condenser cooling water inlet temperatureRandom
13Reaction kineticsSlow drift
14Reactor cooling water valveSticking
15Condenser cooling water valveSticking
16–20UnknownUnknown