Abstract

The reliability of a series system with P components which have exponential life times is estimated using Type II censored samples. The series system reliability is a function of μ( λ)= ∑ j=1 P λ j , where λ j is the hazard rate constant for the j th component, j=1,2,…P. An estimator of μ( λ ) which dominates the MLE in terms of the risk is derived. This improved estimator of μ( λ ) is used for estimating the series system reliability. Monte Carlo simulation is used to estimate the risks of the proposed estimators, and comparisons with the ML estimators are made.

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