Analysis Tools
Weibull Reliability Analysis
Weibull Reliability Analysis
Parameters
Enter actual failure times (hours, cycles, or any lifetime unit)
Formula
R(t) = exp(-(t/η)^β)
F(t) = 1 − R(t)
h(t) = (β/η)(t/η)^(β−1)
β: shape parameter (determines failure mode)
η: scale parameter (characteristic life, 63.2% failure point)
Median rank method (Benard approximation) used for parameter estimation