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espanolCuando se tiene una estructura con dos componentes dispuestas en serie y en donde cada una de ellas tiene un tiempo de vida que se distribuye exponencialmente, y ademas las componentes son reparables, se establece un proceso de renovacion, en el cual para que la estructura este operando se requiere que ambas componentes esten en funcionamiento. Este proceso de renovacion tiene un comportamiento semimarkoviano y se demuestra que, a partir de este, su funcion de disponibilidad es una de las incognitas de un sistema de ecuaciones integrales, que se resuelve usando un metodo numerico disenado para tal fin. Lo novedoso de este articulo es que se considera un proceso cuyo espacio de estados incluye el tiempo de reparacion, lo cual es de utilidad en aplicaciones de ingenieria. EnglishWhen there is a structure with two serial components where each one owns a life time that is distributed exponentially and both of the components are repairable, it is established a renovation process, in which both components need to be working in order for the operation of the structure. It is observed that the renovation process evidences a semimarkovian behavior and it is shown that through this one, its availability function is one of the inquiries of a system of integral equations that is solved by a numerical method designed for that purpose. The novelty in this article is that it is considered a process whose state space includes repair time, which is useful in engineering applications.

Modelamiento de la disponibilidad de una estructura en serie reparable con dos unidades