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Mejora de PPO con políticas híbridas conscientes de la trayectoria
IEEE transactions on neural networks and learning systems
|February 6, 2026
Resumen
La optimización de políticas proximales (PPO) enfrenta desafíos con alta varianza y complejidad de muestra. El nuevo PPO de política híbrida (HP3O) utiliza un búfer de repetición para mejorar la eficiencia y reducir la varianza en el aprendizaje por refuerzo.
Área de la Ciencia:
- Inteligencia Artificial
- Aprendizaje Automático
- Robótica
Sus antecedentes:
- La optimización de políticas proximales (PPO) es un algoritmo líder en la política en el aprendizaje por refuerzo.
- PPO demuestra un rendimiento estable pero sufre de alta varianza y complejidad de muestra.
- Estas limitaciones dificultan su aplicación en tareas complejas de control continuo.
Objetivo del estudio:
- Introducir un nuevo algoritmo PPO de política híbrida (HP3O).
- Abordar los problemas de alta varianza y complejidad de muestra en PPO.
- Mejorar la eficiencia y el rendimiento de los agentes de aprendizaje por refuerzo.
Principales métodos:
- HP3O emplea un búfer de repetición de trayectorias que utiliza una estrategia de primero en entrar, primero en salir (FIFO).
- Se almacenan trayectorias recientes para mitigar la deriva de la distribución de datos.
- Las actualizaciones de políticas utilizan un lote que comprende la trayectoria de mejor rendimiento y otras muestreadas aleatoriamente.
Principales resultados:
- HP3O demostró una reducción empírica de la varianza.
- El algoritmo mostró un rendimiento mejorado sobre los métodos de referencia en entornos de control continuo.
- Se establecieron garantías teóricas de mejora de la política para HP3O.
Conclusiones:
- HP3O utiliza eficazmente trayectorias recientes para mejorar el aprendizaje de políticas.
- El método propuesto ofrece un enfoque prometedor para mejorar la eficiencia y la estabilidad de PPO.
- HP3O representa un avance significativo para el aprendizaje por refuerzo en dominios de control continuo.
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