How to Design Reliability Tests
Below is a step by step example of how to reduce reliability demonstration
testing requirements by over 50%. The example utilizes bayesian
testing module of the Reliability & Maintenance
Analyst software. Click here to download a free demo version of
this software or click here for the web
based module. The bayesian testing module is fully functional in
the demo version!
For a related article in Adobe Acrobat format with all the technical
details of the example below click
here. For the same article in Microsoft Word for Windows 95
format click here.
A new product is required to demonstrate 99% reliability at 100 million cycles with 80% confidence. Given a Weibull shape parameter of 2.8, how many units must be tested for 100 million cycles to demonstrate the required reliability assuming no failures?
Engineered Software, Inc.