Hierarchical Flatness-Based Control for Velocity Trajectory Tracking of the 'DC/DC Boost Converter-DC Motor' System Powered by Renewable Energy

Ramon Silva-Ortigoza, Alfredo Roldan-Caballero, Eduardo Hernandez-Marquez, Rogelio Ernesto Garcia-Chavez, Magdalena Marciano-Melchor, Jose Rafael Garcia-Sanchez, Gilberto Silva-Ortigoza

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

In this investigation, a tracking control is designed for the angular velocity of the DC/DC Boost converter-DC motor system. To this end, the dynamics of the power supply, generated through a renewable energy power source, is considered in both the mathematical model and the designed control. This latter is proposed by using a two-level hierarchical approach, where the dynamics of the DC/DC Boost converter and the one associated with the DC motor not only are treated as two independent subsystems, but also they exploit their differential flatness property. For the DC/DC Boost converter, an alternative first-order mathematical model is obtained for designing the low-level voltage control. Whereas, the well known second order mathematical model of the DC motor is used for developing the high-level angular velocity control. The robustness and performance of the hierarchical tracking control are verified via realistic numerical simulations and experimental results by using Matlab-Simulink, a prototype of the system, the DS1104 board, and the renewable energy emulator TDK-Lambda G100-17. The results demonstrate and validate the effectiveness of the proposed approach.

Original languageEnglish
Pages (from-to)32464-32475
Number of pages12
JournalIEEE Access
Volume11
DOIs
StatePublished - 2023

Keywords

  • DC motor
  • DC/DC Boost converter
  • differential flatness
  • renewable energy
  • robust control
  • solar energy

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