This process guidebook describes the Design Review Based on Failure Modes (DRBFM) methodology, as defined by Dr. Tatsuhiko Yoshimura. Many companies have adopted the proactive problem prevention concept of Mizenboushi (reliability problem prevention) and an innovation process that supports this initiative called GD3 (GD cubed). The DRBFM format has been modified to meet their requirements, but the foundation of the process has stayed the same.
This guidebook also introduces Design Review Based on Test Results (DRBTR), a methodology designed to evaluate products after test, regardless of pass or fail. The intent is to look for a bud of a problem before it occurs. These observations are intended to uncover potential issues that will happen later in the product life cycle or with variation from the manufacturing process. This guidebook provides an introduction and foundation for DRBFM and DRBTR for anyone who is interested in implementing part or all of the methodologies. Topics include:
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