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A Comparison Between the GPI and PID Controllers for the Stabilization of a DC–DC “Buck” Converter: A Field Programmable Gate Array Implementation

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4 Author(s)
Eric William Zurita-Bustamante ; División de Estudios de Postgrado, Universidad Tecnológica de la Mixteca, Huajuapan de León, Mexico ; Jesús Linares-Flores ; Enrique Guzman-Ramirez ; Hebertt Sira-Ramirez

This paper presents a comparison between two stabilizing average output feedback controllers implemented on a field programmable gate array (FPGA) facility. A generalized proportional integral (GPI) controller and a proportional integral derivative (PID) controller are implemented using an FPGA, and their respective performances are duly compared. The GPI controller is found to present a better dynamic response than the PID controller in terms of the settling time while exhibiting a greater degree of robustness regarding disturbance rejection represented by severe changes in static and dynamic loads. The average controllers and their corresponding pulsewidth modulation actuators are implemented using a Spartan 3E1600 FPGA.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:58 ,  Issue: 11 )