An Assessment of RPN Prioritization in a Failure Modes Effects and Criticality Analysis¶
Bowles, J. (2004). An Assessment of RPN Prioritization in a Failure Modes Effects and Criticality Analysis. Journal of the IEST, 47(1), 51-56.
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Mechanisms¶
- Failure Mode and Effects Table
- Its failure mode is baked into the arithmetic: the priority score is built from ordinal ratings that are then multiplied and compared as if they were real quantities, so a tidy number can lend false authority to three subjective guesses.
This sourceExplains that RPN multiplies ordinal severity, occurrence, and detection rankings as though they were numerical quantities.
- Its failure mode is baked into the arithmetic: the priority score is built from ordinal ratings that are then multiplied and compared as if they were real quantities, so a tidy number can lend false authority to three subjective guesses.
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