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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
MANOTAS, EVA; YANEZ, SERGIO; LOPERA, CARLOS y JARAMILLO, MARIO. CONCURRENTES A STUDY OF THE INFERENCE EFFECT CAUSED BY THE DEPENDENCE BETWEEN TWO COMPETING FAILURE MODES ON THE ESTIMATION OF THE RELIABILITY FUNCTION. Dyna rev.fac.nac.minas [online]. 2008, vol.75, n.154, pp.29-38. ISSN 0012-7353.
The traditional methodology assumes independence between competing failure modes to estimate the reliability function, but recent studies have shown that when this assumption is incorrectly assumed, usually gives pessimistic estimates. This paper intends, through a simulation study, to explore the effect caused by such a situation in the cases of two competing lognormal failures and two competing Weibull failures. It is appreciated from the results that, when the dependence is ignored, there are no significant differences between the true reliability function and the estimated reliability function assuming independence.
Palabras clave : Reliability fuction; competing failures; minimum time distribution; lognormal bivariate; Weibull bivariate; dependence parameter.