In this paper presents the R reliability mathematical formula of (3+1) Weibull Cascade model. The model is expressed by random variables, which are stress and strength distributions. was estimated six dissimilar methods (ML, Mo, LS, WLS, Rg Pr) simulation performed using MATLAB 2012 program to compare results estimates MSE criterion, indicated that best estimator among estimators ML.

A stochastic binary system (SBS) is a multicomponent on-off subject to random independent failures on its components. After potential failures, the state of subsystem ruled by logical function (called structure function) that determines whether operational or not. SBS serves as natural generalization network reliability analysis, where goal find probability correct operation (in terms connectiv...