R. Caballero-Águila, M. A. Carazo, J. Linares Pérez

Se aborda el problema de suavizamiento punto fijo distribuido de señales discretas a partir de medidas proporcionadas por una red de sensores conectados mediante una topología conocida, susceptibles de sufrir aleatoriamente desvanecimiento o deterioro. Este fenómeno puede deberse, por ejemplo, a posibles restricciones del equipo físico o a imprecisión de los dispositivos de medición, y se modeliza mediante variables aleatorias arbitrarias con valores en el intervalo [0,1]. Se considera que el modelo que describe la evolución de la señal es desconocido y que los ruidos aditivos de las medidas de los distintos sensores están correlados en el mismo instante de tiempo y, además, son correlados con la señal en el mismo instante y en instantes posteriores. Para obtener los estimadores de suavizamiento punto fijo distribuidos se utiliza un tratamiento por innovaciones y únicamente se requiere conocer las funciones media y covarianza de los procesos involucrados en las ecuaciones de medida.

Keywords: Redes de sensores, estimación distribuida, medidas deterioradas


Posters I
June 7, 2022  12:00 PM
Faculty Hall

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