Optimización de controladores PID mediante el algoritmo de Solis-Wets e Identificación de Laguerre (PID-Control Optimization Using Solis-Wets Algorithm And Laguerre System Identification)

Juan Requez (jprequez@ucla.edu.ve)1, Gustavo Sanchez (gsanchez@usb.ve)2, Miguel Strefezza (strefeza@usb.ve)2, Ernesto Granado (granado@usb.ve)2


1Universidad Centroccidental Lisandro Alvarado (UCLA)
2Universidad Simón Bolivar (USB)

This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2016
Volume: 14,   Issue: 2 
ISSN: 1548-0992


Abstract:
In this paper, a design method for PID controllers is proposed, based on the Solis-Wets random search algorithm and closed-loop Laguerre identification. The method is tested considering two sets of benchmark plants, previously considered by many other authors. Results show that this method is able to decrease the regulation cost function value considered, while decreasing the rising and settling time and increasing the frequency of the response when compared with an initial controller. The statistic values associated with the method show that it is not affected in a significantly way by the initial values, system order and time constant assumed in its implementation.

Index Terms:
PID control optimization, Laguerre Identification, Random Search   


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