Abstract
The paper presents an original solution for the nonlinear Gaussian control of the 18O isotope concentration at the output of a separation column. The design of the nonlinear controller is based on the proposed separation column mathematical model which is an accurate one. In order to highlight the advantages of using a nonlinear controller, the comparison with using a linear Proportional Integral Derivative controller is made. Both the architecture and the tuning procedure of the nonlinear controller represent original elements introduced in the paper. It is proved, through simulation, that the nonlinear controller improves significantly the control system performances, especially the settling time, which is a dominant parameter in analyzing the separation processes work. Also, a solution to determine the instantaneous value of the separation column length constant is proposed, solution which opens the possibility to implement new control strategies.
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Mureşan, V., Clitan, I., Sita, V., Abrudean, M., Ungureşan, ML. (2020). 18O Isotope Separation Process Control. In: Gusikhin, O., Madani, K. (eds) Informatics in Control, Automation and Robotics. ICINCO 2018. Lecture Notes in Electrical Engineering, vol 613. Springer, Cham. https://doi.org/10.1007/978-3-030-31993-9_26
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DOI: https://doi.org/10.1007/978-3-030-31993-9_26
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