Revista de Engenharia Química e Tecnologia de Processos
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Modeling and Output Feedback Distributed Control for an Absorption Packed Column

Selatnia M, Illoul R and Boucherit MS

This work consists of modeling, simulating and finally multiple models control of an industrial absorption packed column designated to remove CO2, from natural gas. The multiple models approach is an elegant way of turning nonlinear problems into linear ones. We used in this paper the output feedback distributed control (ODC) coupled with local linearization of the model of the absorption packed column. We compared the results with those obtained with the traditional PID control and the results are satisfactory.