SIM 2205 Pressure Control – Feed forward and back

2205 Pressure Control Feed Forward and Back (FFFB) Simulation

SIM 2205 Pressure Control – Feed forward and back

SIM 2205 Feed Forward and Feedback Pressure Control Simulation shows a vertical closed pressure vessel being fed with a supply of nitrogen. The nitrogen exits the vessel through a single line with a valve controlling the flow.

About the sim

Model Description

The pressure in the vessel is partially controlled by balancing the exit valve position depending on the feed flow to the vessel and partially controlled by a controller monitoring the pressure in the vessel for fine tuning. This makes the system control well on upstream disturbance but gives a poorer response to downstream disturbance.

The feed to the vessel can be varied by introducing a second flow of gas to test the effect on the pressure control system.

Disturbances can be added to the upstream and downstream pressures of the system to allow realistic learning on how the control method responds to the type of disturbances found on a real plant.

The P&ID settings of the controller can be altered to improve the tuning of the controller for the various conditions that can be created.

The simulation includes exercise’s based around the tuning of the pressure control system.

 

 

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