Reliability estimate of an apparatus

摘要

A computer-assisted method for estimating a statistical stress-dependent model of an apparatus. The statistical stress-dependent model, when implemented by a computer, provides a reliability function of the apparatus according to a mission profile associated with a time plot of one or more environmental and/or electric and/or mechanical stresses adapted to cause failure modes on the apparatus. The estimate of the statistical stress-dependent method includes defining a minimum number of samples of the apparatus on which reliability tests may be carried out in order to generate a series of data which allow the parameters of the statistical stress-dependent model to be determined; carrying out the reliability tests on the apparatus samples for generating the data; and estimating the statistical stress-dependent model parameters according to the data obtained in the reliability tests.