The use of model predictive control (MPC) in middle-vessel continuous distillation column (MVCC) is discussed. It is shown that using a 5 x 5 MPC implementation (where all levels are included in MPC as integral process variables) allows using a smaller middlevessel, particularly when disturbances can be measured: a good performance is ensured without having the middle vessel drained or overfilled. Also, it is shown that MPC practically circumvents the issue of tuning the middle-vessel level controller. Furthermore, the MVCC design makes conventional decentralised control perform comparably to MPC.

Using MPC to control middle-vessel continuous distillation columns

BEZZO, FABRIZIO;BAROLO, MASSIMILIANO
2005

Abstract

The use of model predictive control (MPC) in middle-vessel continuous distillation column (MVCC) is discussed. It is shown that using a 5 x 5 MPC implementation (where all levels are included in MPC as integral process variables) allows using a smaller middlevessel, particularly when disturbances can be measured: a good performance is ensured without having the middle vessel drained or overfilled. Also, it is shown that MPC practically circumvents the issue of tuning the middle-vessel level controller. Furthermore, the MVCC design makes conventional decentralised control perform comparably to MPC.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2450583
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