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Un nuevo control modificado de modo deslizante de terminales rápidas de bajo parloteo para el convertidor de potencia

Güven Balta¹, Cagdas Hisar², Necmi Altin³

¹Department of Electrical-Electronics Engineering, Faculty of Engineering and Architecture, Erzurum Technical University, Erzurum, Türkiye.

ISA transactions

|February 11, 2026

Resumen

Una nueva superficie deslizante para el control de modo deslizante de terminales rápidas globales (GFTSMC) reduce significativamente el chattering y mejora la convergencia de errores. Este GFTSMC de bajo parloteo (LCGFTSMC) demuestra un rendimiento superior en los convertidores Buck que utilizan modulación parabólica.

Área de la Ciencia:

Ingeniería Eléctrica Ingeniería Eléctrica.
Sistemas de control de los sistemas de control.
La electrónica de potencia es la electrónica de potencia.

Sus antecedentes:

El control de modo deslizante (SMC) es una técnica de control robusta.
El Global Fast Terminal Sliding Mode Control (GFTSMC) ofrece una mejor convergencia, pero puede sufrir de chattering.
Los convertidores CC-CC requieren estrategias de control eficientes y estables.

Objetivo del estudio:

Proponer una nueva superficie de deslizamiento para GFTSMC para reducir el chattering y mejorar la convergencia de errores.
Para evaluar el rendimiento del GFTSMC (LCGFTSMC) de bajo parloteo propuesto en un convertidor Buck.
Para comparar la modulación parabólica (PM) con la modulación de histeresis (HM) y otras técnicas de conmutación de frecuencia fija.

Principales métodos:

Modificación de la estructura GFTSMC existente mediante la introducción de una expresión logarítmica para una nueva superficie deslizante.
Implementación de la teoría del SMC directo en un convertidor de Buck.
Comparación de la modulación parabólica (PM) con la modulación de histeresis (HM) y otros métodos de conmutación de frecuencia fija.

Principales resultados:

La superficie deslizante propuesta exhibe una reducción de chattering y una convergencia de error superior en comparación con las estructuras FTSMC existentes.
LCGFTSMC demuestra un rendimiento efectivo en el convertidor Buck.
La modulación parabólica (PM) proporciona una frecuencia de conmutación constante y respuestas dinámicas comparables o superiores a otras técnicas de frecuencia fija.

Conclusiones:

La nueva superficie deslizante y el LCGFTSMC ofrecen mejoras significativas en la reducción de chattering y la respuesta dinámica para los convertidores DC-DC.
La modulación parabólica es una estrategia efectiva para lograr una frecuencia de conmutación constante en aplicaciones directas de SMC.
El estudio proporciona una comparación valiosa de los bucles de control de frecuencia de conmutación fija para convertidores de CC-CC.

Palabras clave:

El convertidor de Buck es un convertidor de Buck.La superficie de deslizamiento de terminales rápidas globales tiene una superficie deslizante global.Modulación parabólica de control de modo deslizante de control de modo deslizante

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