Modelagem matemática, projeto e controle preditivo de um conversor boost

Alexandre Filgueira Soares; Pedro Henrique Diehl; Paulo Jefferson Dias de Oliveira Evald

doi:10.14295/vetor.v34i1.16932

Authors

Alexandre Filgueira Soares Federal University of Pelotas
Pedro Henrique Diehl Federal University of Pelotas
Paulo Jefferson Dias de Oliveira Evald Universidade Federal de Pelotas

DOI:

https://doi.org/10.14295/vetor.v34i1.16932

Keywords:

Predictive control, Boost converter, Step up converter, Deadbeat controller, Power electronics

Abstract

Boost converters are widely used to raise the output voltage to a level higher than the input voltage of various systems. These converters are commonly used in batteries for electric automobiles, regenerative braking of DC motors, quadrirotors, solar chargers, power audio amplifiers and many other devices. To do this, this device stores energy in the magnetic field of an inductor and then transfers this energy to a capacitor in such a way that the voltage of the capacitor can increase beyond the voltage of the source that supplied energy to the inductor. However, to obtain a desired voltage at the output, it is essential to use a reliable controller to regulate this system. This article presents mathematical modeling, sizing design according to established specifications and predictive control of a boost converter. The control strategy used to regulate the voltage of this converter is a deadbeat controller, which has a simple structure, but provides fast response to the closed-loop system. The numerical simulation results demonstrate the superiority of the predictive controller over a proportional-integral-derivative controller.

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Author Biographies

Alexandre Filgueira Soares, Federal University of Pelotas

Alexandre Filgueira Soares is studying Electronic Engineering at the Federal University of Pelotas. He has experience in the area of Electronic Engineering, with an emphasis on industrial electronics, systems, electronic controls, electronic instrumentation, digital signal processing and power electronics.

Pedro Henrique Diehl, Federal University of Pelotas

Pedro Henrique Diehl is studying Control and Automation Engineering at the Federal University of Pelotas. He has experience in programming, robotics and microcontrollers.

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