Integration of BIT Effectiveness with FMECA

This paper discusses a method to quantitatively analyze BIT effectiveness. It is addressed as a logical extension of the failure mode, effects, and criticality analysis (FMECA). The hybrid FMECA/BIT work sheet is shown, and described in detail, along with the computer program used. Explanation is given for each step of the analysis as well as a discussion of its method of implementation using R/M personnel and procedures. This FMECA/BIT analysis was performed on a number of programs at GTE Systems in Needham, Mass. The areas of product improvement achieved using this analysis are also discussed.