Control adaptativo de seguimiento de trayectorias basado en inversión algebraica para un sistema no lineal caldera–turbina
Enviado: 25-03-2026
|Aceptado: 30-06-2026
|Publicado: 03-07-2026
Derechos de autor 2026 Humberto Morales, Francisco Rossomando, Fernando Ulloa, Gustavo Scaglia, Adriana Amicarelli
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-CompartirIgual 4.0.
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Palabras clave:
Control adaptativo, sistemas no lineales,, seguimiento de trayectorias, inversión algebraica, control de procesos, sistemas de generación de energía
Agencias de apoyo:
Resumen:
Este artículo presenta un control adaptativo de seguimiento de trayectoria basado en inversión algebraica para sistemas no lineales descritos afínmente al control, con aplicación a una unidad de turbina-caldera de tipo tambor. El enfoque propuesto aprovecha la dependencia afín de la entrada de control para reformular el problema de seguimiento como la solución de un sistema algebraico lineal dependiente del estado. Esto permite calcular las entradas de control mediante inversión algebraica explícita sin recurrir a transformaciones de coordenadas, linealización por retroalimentación u optimización en línea. El controlador nominal se obtiene imponiendo una dinámica de error de primer orden y estableciendo condiciones prácticas de invertibilidad para la matriz de entrada. Para compensar la incertidumbre paramétrica en el modelo del sistema, se introduce un regresor de incertidumbre, lo que permite la incorporación de un mecanismo adaptativo basado en Lyapunov. El método se evalúa en el sistema de referencia Bell-Åström de 160 MW bajo transiciones de punto de operación y variaciones paramétricas de ±20 %, mostrando mejoras en los índices RMS e ITAE en comparación con las estrategias PI, LQR y FBL con un esfuerzo de control comparable al de LQR.
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