Session 5
3:05 to 4:05 p.m. Thursday April 19, 2007

Successful Application of Reliability Prediction and FMECA - A Case Study

Reliability Prediction and FMECA are powerful design reliability tools. This presentation stresses the importance of applying these techniques at the design stage itself to achieve high reliability and safety. Reliability Prediction provides as assessment of the reliability of a product in terms of MTBF. It is an analytical method for determining the effects of a design decision before testing and manufacture of the product. It compares design alternatives, facilitates design trade-off studies and highlights overstressed parts (electrical and thermal stress). Failure Rate is the stepping-stone or foundation for Reliability Engineering. FMECA identifies critical failure modes in the system and provides corrective action; thereby making the system design robust. In this session, we are presenting an effective application of Reliability Prediction and FMECA by means of a case study. The case study reveals that most of the components which are identified as critical by Reliability Prediction and FMECA appear as failures in the field.

 

Anil Kumar and R. Radhika Centre For Reliability

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