Subspace Method Aided Data-Driven Fault Detection Based on Principal Component Analysis

Table 1

Process manipulated variables.

Variable name	Variable number
D feed flow
E feed flow
A feed flow
A and C feed flow
Compressor recycle valve
Purge valve
Separator pot liquid flow
Stripper liquid product flow
Stripper steam valve
Reactor cooling water flow
Condenser cooling water flow
Agitator speed