Low-Cost Platform Implementation of Discrete Controllers for DC-DC Boost Converter

Jesús A. González-Castro, Guillermo J. Rubio-Astorga, Martin A. Alarcón-Carbajal, Juan Diego Sánchez-Torres, Modesto Medina-Melendrez, Juan C. Cabanillas-Noris and David E. Castro-Palazuelos ()
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Jesús A. González-Castro: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico
Guillermo J. Rubio-Astorga: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico
Martin A. Alarcón-Carbajal: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico
Juan Diego Sánchez-Torres: Department of Mathematics and Physics, ITESO, San Pedro Tlaquepaque 45604, Mexico
Modesto Medina-Melendrez: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico
Juan C. Cabanillas-Noris: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico
David E. Castro-Palazuelos: División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México/IT de Culiacán, Culiacán 80220, Mexico

Energies, 2024, vol. 17, issue 16, 1-20

Abstract: In recent years, various solutions have been developed to control power electronic converters using devices available on the market that are powerful and easy to use. These solutions, in most cases, offer high performance. However, these have high implementation costs because the required devices are expensive. For this reason, this document presents the implementation of two discrete-time controllers widely used in the literature for a boost converter implemented on a low-cost platform. The objective is to obtain a constant voltage at the converter’s output for photovoltaic system applications. The proportional-integral control is implemented as the first case, and the second case is a sliding mode control. In addition, a prior analysis is presented through simulation. Both control algorithms are implemented on the TMS320F28379D microcontroller from Texas Instruments through the same manufacturer’s integrated development software based on an optimized C/C++ language compiler. The results of the non-linear algorithm reveal better performance in reducing the time response, the overshoot of the transient state, and the steady-state error. Finally, the significant economic savings associated with the implementation costs of the controllers tested on a low-cost platform differentiate this work from other similar ones.

Keywords: implementation of digital control; microcontroller; PID; SMC; high-level language (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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