Abstract

In this work, extremum seeking control (ESC) is applied to optimize the operating conditions of a distillation column in continuous operation, to separate the components of an ideal binary mixture. The approach is based on an objective function that requires both the compositions of the distillate stream and bottom stream in an equal distance from complete purity. Numerical simulations show how the ESC drives the process to the minimum of the objective function, which is typically determined through the construction of a response surface of the objective function with respect to the process inputs. The performance of the standard ESC is compared with an accelerated version including a proportional action.

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