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Volume 14
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10.3390/electronics14020357
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Article

Electrical Modeling and Control of a Synchronous Non-Ideal Step-Down Converter Using a Proportional–Integral–Derivative Neural Network Controller

by
Jesús A. Medrano-Hermosillo
1,
Abraham Efraim Rodríguez-Mata
1,*,
Victor Alejandro Gonzalez-Huitron
2,
Francisco-Ronay López-Estrada
3,
Guillermo Valencia-Palomo
4 and
Oscar J. Suarez
5
1
División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México Campus Chihuahua, Instituto Tecnológico de Chihuahua, Ave. Tecnológico #2909, Chihuahua 31310, Mexico
2
División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Querétaro, Tecnológico Nacional de México, Av. Tecnológico s/n esq. Gral. Mariano Escobedo, Colonia Centro Histórico, Querétaro 76000, Mexico
3
TURIX-Dynamics Diagnosis and Control Group, Tecnológico Nacional de México, IT Tuxtla Gutiérrez, Carretera Panamericana km 1080, Tuxtla Gutierrez 29050, Mexico
4
Tecnológico Nacional de México, IT Hermosillo, Av. Tec. 115, Hermosillo 83170, Mexico
5
Facultad de Ingenierías y Arquitectura, Ingeniería Mecatrónica, Universidad de Pamplona, Km. 1 Vía Bucaramanga Ciudad Universitaria Pamplona, Norte de Santander 543050, Colombia
*
Author to whom correspondence should be addressed.
Electronics 2025, 14(2), 357; https://doi.org/10.3390/electronics14020357
Submission received: 29 November 2024 / Revised: 10 January 2025 / Accepted: 13 January 2025 / Published: 17 January 2025
(This article belongs to the Special Issue Advances in Intelligent Systems and Networks, 2nd Edition)
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Abstract

This article presents a dynamic modeling and control strategy for a non-ideal buck DC–DC (direct current) converter using a PID neural controller. Unlike conventional approaches that rely on fixed-gain PID (Proportional Integral Derivative) controllers, the proposed method dynamically updates the controller’s gain constants to enhance robustness against parametric variations caused by tolerances, wear, or other practical discrepancies. To ensure the neural network’s weight convergence, a Lyapunov-based algorithm is employed, enabling optimal weight adjustments in conjunction with the PID control strategy. The study validates the ANN-based (Artificial Neuronal Network) PID controller under diverse dynamic conditions (input voltage variations, disturbances in voltage sensors, etc.) through numerical simulations, incorporating theoretical derivations and circuit dynamics modeling. The main contribution of this work lies in demonstrating the convergence of the system under the proposed control law, substantiated by Lyapunov stability analysis and comparative simulations against traditional methods in the literature.
Keywords: buck converter; Lyapunov theory; neural network; PID buck converter; Lyapunov theory; neural network; PID

Share and Cite

MDPI and ACS Style

Medrano-Hermosillo, J.A.; Rodríguez-Mata, A.E.; Gonzalez-Huitron, V.A.; López-Estrada, F.-R.; Valencia-Palomo, G.; Suarez, O.J. Electrical Modeling and Control of a Synchronous Non-Ideal Step-Down Converter Using a Proportional–Integral–Derivative Neural Network Controller. Electronics 2025, 14, 357. https://doi.org/10.3390/electronics14020357

AMA Style

Medrano-Hermosillo JA, Rodríguez-Mata AE, Gonzalez-Huitron VA, López-Estrada F-R, Valencia-Palomo G, Suarez OJ. Electrical Modeling and Control of a Synchronous Non-Ideal Step-Down Converter Using a Proportional–Integral–Derivative Neural Network Controller. Electronics. 2025; 14(2):357. https://doi.org/10.3390/electronics14020357

Chicago/Turabian Style

Medrano-Hermosillo, Jesús A., Abraham Efraim Rodríguez-Mata, Victor Alejandro Gonzalez-Huitron, Francisco-Ronay López-Estrada, Guillermo Valencia-Palomo, and Oscar J. Suarez. 2025. "Electrical Modeling and Control of a Synchronous Non-Ideal Step-Down Converter Using a Proportional–Integral–Derivative Neural Network Controller" Electronics 14, no. 2: 357. https://doi.org/10.3390/electronics14020357

APA Style

Medrano-Hermosillo, J. A., Rodríguez-Mata, A. E., Gonzalez-Huitron, V. A., López-Estrada, F.-R., Valencia-Palomo, G., & Suarez, O. J. (2025). Electrical Modeling and Control of a Synchronous Non-Ideal Step-Down Converter Using a Proportional–Integral–Derivative Neural Network Controller. Electronics, 14(2), 357. https://doi.org/10.3390/electronics14020357

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