LQR-PID Control Design of a Buck Converter

Carlos A. Torres-Pinzón, F. Flores-Bahamonde, H. Ramírez-Murillo, Oswaldo López-Santos, C. J. Mojica-Casallas, S. Alireza Davari

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

In this paper, an optimal proportional integral derivative (PID) controller based on a linear quadratic regulator (LQR) is proposed for the regulation of the output voltage of a buck converter. Specifically, the work proposes to determine the gains of the PID controller through an LQR state feedback technique, formulated as a Linear Matrix Inequality (LMI), which allows for ensuring stability and guarantee a predefined performance index. Simulation results using PSIM are presented validating the theoretical study.

Original languageEnglish
Title of host publicationCOBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350321128
DOIs
Publication statusPublished - 2023
Event8th Southern Power Electronics Conference and the 17th Brazilian Power Electronics Conference, SPEC / COBEP 2023 - Florianopolis, Brazil
Duration: 26 Nov 202329 Nov 2023

Publication series

NameCOBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings

Conference

Conference8th Southern Power Electronics Conference and the 17th Brazilian Power Electronics Conference, SPEC / COBEP 2023
Country/TerritoryBrazil
CityFlorianopolis
Period26/11/2329/11/23

Keywords

  • Buck converter
  • LMI
  • LQR-PID control
  • PID control

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Control and Optimization

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