Early FDI Based on Residuals Design According to the Analysis of Models of Faults: Application to DAMADICS

Table 2

Input and output variables.

Input	Range	Unit	Description
CV	[0,1]	—	control signal from external PI controller
P1	[2000, 4𝑒+6]	Pa	Inlet liquid pressure
P2	[2000, 4𝑒+6]	Pa	Outlet liquid pressure
T1	[30, 110]	°C	Liquid temperature
Output	Range	Unit	Description
X	[0,1]	—	Position of the rod
F	[0,1]	—	Average flow