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Nova scientia
On-line version ISSN 2007-0705
Abstract
MUNOZ-HERNANDEZ, Germán Ardul; DIAZ-SANCHEZ, Alejandro; GRACIOS-MARIN, Carlos Arturo and CASTANEDA-CAMACHO, Josefina. Evaluation of controllers and fractional filters in reducing the cross-coupling interaction in the nonlinear model of a hydroelectric station. Nova scientia [online]. 2021, vol.13, n.26, 00002. Epub Aug 30, 2021. ISSN 2007-0705. https://doi.org/10.21640/ns.v13i26.2681.
In this paper, a non-linear multivariable mathematical model of a pump storage hydroelectric power plant, developed in Matlab-Simulink, is used to evaluate the performance of a Proportional Integral Derivative (pseudo derivative) controller with anti-windup, where the integral and derivative actions are of fractional order. This control is robust, maintaining its performance in the case of direct response and in the case of cross coupling response. Similarly, the advantage of using a filter to reduce the cross-coupling interaction of this system is shown. The effect of this filter, of fractional order, on the performance of the system, is shown by reducing the integral of the squared error.
Keywords : hydroelectric power; power station control; fractional order control; fractional order filters; cross-coupling interaction; control applications; modeling; simulation.