Application of a Fault Detection and Isolation System on a Rotary Machine

Table 1

Considered process variables.

Tag name	Description
FYI_89735	N2 mass flow through the BLNC first section
FV_89700	Positioner of the Inlet Guide Vanes (IGV) relative to the first and second stages of BLNC
ZT_89700	Feedback of IGV position relative to the BLNC first and second stages
PV_89750	Measurement of the vent position at the entrance of first section of BLNC
FYA_89710A	N2 mass flow through the second section of BLNC
FV_89704	Positioner of the IGV relative to the third stage of BLNC
ZT_89704	Feedback of IGV position relative to the third stage of BLNC
FV_89751A	Throttle valve position relative to inlet high pressure nitrogen gas (HNG)
FYA_89751	N2 mass flow at the head of the high pressure column