06 Distribution Fitting with Multiple Failure Modes

Module 3 Assessing & Selecting Models for Time-to-Failure Data

Lesson M03-06

Text: Section 5 pages16 & 17

Duration: 7 minutes

When our dataset includes failures from more than one failure mode, it’s generally useful to select individual models for each failure mode and then combine the results to calculate the overall reliability.  In this lesson, we illustrate the process to fit models by failure mode.  We need to apply the concept of “competing risk” and appropriately right-censor the data at failure times for failure modes other than the one we are fitting the model for.