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Control Suave de Sistemas Difusos Conmutados con Tiempo de Permanencia Parcialmente Estocástico
IEEE transactions on cybernetics
|January 21, 2026
Resumen
Este estudio introduce un novedoso controlador difuso para sistemas conmutados con conmutación de modo asíncrona. El controlador difuso conmutado suave anti-asíncrono estocástico (A2S3-FC) garantiza la estabilidad y las transiciones suaves.
Área de la Ciencia:
- Ingeniería de Sistemas de Control
- Sistemas de Lógica Difusa
- Procesos Estocásticos
Sus antecedentes:
- Los sistemas difusos conmutados presentan desafíos de control debido a la conmutación de modo asíncrona y los retrasos.
- Los métodos existentes a menudo no logran tener en cuenta la complejidad total de los sistemas prácticos, incluidos los tiempos de permanencia estocásticos y los fenómenos asíncronos.
Objetivo del estudio:
- Desarrollar una estrategia de control suave para sistemas difusos conmutados que operan bajo tiempo de permanencia parcialmente estocástico (PSST) señales de conmutación.
- Abordar fenómenos asíncronos causados por retrasos en la medición y el cálculo en la identificación de los modos del sistema y los grados de pertenencia.
- Proponer un novedoso controlador difuso conmutado suave anti-asíncrono estocástico (A2S3-FC) que garantice la estabilidad en media cuadrática (MSS) y la robustez.
Principales métodos:
- Formulación de una señal de conmutación de tiempo de permanencia parcialmente estocástico (PSST), que abarca el tiempo de permanencia convencional y las señales de conmutación estocástica.
- Desarrollo de un candidato de Lyapunov basado en el modo detectado para el análisis de estabilidad y robustez, considerando fenómenos asíncronos.
- Implementación de un enfoque de interpolación de grados de pertenencia multietapa para transiciones de control suaves.
Principales resultados:
- El A2S3-FC propuesto supera eficazmente los saltos de control entre modos adyacentes, garantizando transiciones suaves.
- El controlador demuestra estabilidad en media cuadrática (MSS) y robustez bajo condiciones de conmutación asíncrona.
- La validación a través de un ejemplo numérico y la simulación del control de actitud de un manipulador aéreo confirman la efectividad y las ventajas del controlador.
Conclusiones:
- El A2S3-FC proporciona una solución de control suave y robusta para sistemas difusos conmutados con dinámicas de conmutación complejas.
- El estudio avanza la teoría de control al incorporar fenómenos asíncronos y tiempos de permanencia estocásticos en el diseño del controlador.
- El método propuesto ofrece un rendimiento superior en comparación con los enfoques existentes, particularmente en aplicaciones prácticas como el control de manipuladores aéreos.
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