Table 2 Controller parameters
From: Effect of ionic liquids as entrainers on the dynamic behavior of ethanol-water extractive columns
Controller | Controller variable | Input variable | Output variable | Controller parameters | ||
|---|---|---|---|---|---|---|
Kc | τi | Controller action | ||||
(%/%) | min | |||||
C_PC | Column pressure | Column pressure | Condenser duty | 20 | 12 | Reverse |
CD_LC | Reflux drum level | Reflux drum level | Valve position (distillate flowrate) | 10 | 60 | Direct |
CB_LC | Base level | Sump level | Valve position (bottoms flowrate) | 10 | 60 | Direct |
C_TC | Temperature tray | Temperature tray | Reboiler duty | 1 | 20 | Reverse |