Complexity (Jan 2018)

Bidirectional Tracking Robust Controls for a DC/DC Buck Converter-DC Motor System

  • Eduardo Hernández-Márquez,
  • José Rafael García-Sánchez,
  • Ramón Silva-Ortigoza,
  • Mayra Antonio-Cruz,
  • Victor Manuel Hernández-Guzmán,
  • Hind Taud,
  • Mariana Marcelino-Aranda

DOI
https://doi.org/10.1155/2018/1260743
Journal volume & issue
Vol. 2018

Abstract

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Two differential flatness-based bidirectional tracking robust controls for a DC/DC Buck converter-DC motor system are designed. To achieve such a bidirectional tracking, an inverter is used in the system. First control considers the complete dynamics of the system, that is, it considers the DC/DC Buck converter-inverter-DC motor connection as a whole. Whereas the second separates the dynamics of the Buck converter from the one of the inverter-DC motor, so that a hierarchical controller is generated. The experimental implementation of both controls is performed via MATLAB-Simulink and a DS1104 board in a built prototype of the DC/DC Buck converter-inverter-DC motor connection. Controls show a good performance even when system parameters are subjected to abrupt uncertainties. Thus, robustness of such controls is verified.