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Estabilización de la Convergencia de Controladores de Inferencia Activa Profunda Basados en Píxeles Utilizando
Kazuma Nagatsuka1, Kyo Kutsuzawa1, Dai Owaki1
1Department of Robotics, Graduate School of Engineering, Tohoku University, Sendai 9808579, Miyagi, Japan.
Biomimetics (Basel, Switzerland)
|January 27, 2026
Resumen
Este estudio presenta un filtro de suavizado para controladores de inferencia activa en robótica para prevenir mínimos locales. Este método mejora el rendimiento de la convergencia en tareas de control robótico al suavizar las funciones de energía libre.
Área de la Ciencia:
- Robótica
- Inteligencia Artificial
- Neurociencia Computacional
Sus antecedentes:
- La inferencia activa se utiliza cada vez más para el control robótico debido a su adaptabilidad ambiental.
- Los controladores de inferencia activa convencionales que utilizan el descenso de gradiente corren el riesgo de converger a soluciones subóptimas (mínimos locales).
Objetivo del estudio:
- Proponer un enfoque novedoso que utiliza un filtro de suavizado para mitigar los mínimos locales en los controladores de inferencia activa basados en píxeles.
- Mejorar el rendimiento de la convergencia y la robustez de la inferencia activa en el control robótico.
Principales métodos:
- Se aplicó un filtro de suavizado a los valores observados, predichos y objetivo dentro del marco de inferencia activa.
- La intensidad de suavizado se ajustó dinámicamente en función de los errores de predicción y objetivo para equilibrar el suavizado y la información de gradiente.
- El método se evaluó en simulación utilizando tareas de seguimiento de objetos y control de brazos robóticos.
Principales resultados:
- El enfoque de filtro de suavizado propuesto demostró un rendimiento de convergencia mejorado en comparación con los controladores de inferencia activa convencionales.
- El ajuste dinámico de la intensidad de suavizado evitó la pérdida de información de gradiente esencial.
Conclusiones:
- El suavizado de los controladores de inferencia activa basados en píxeles reduce eficazmente el riesgo de mínimos locales.
- El método propuesto ofrece un enfoque más fiable y eficiente para aplicaciones de control robótico que utilizan inferencia activa.
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