FMEA (Failure Mode and Effects Analysis) is an analytical method to find potential vulnerabilities in processes or products. Their use, especially in the design or development phase, is intended to minimize the risk of errors from the outset.
This avoids otherwise incurred control and error follow-up costs in the production phase or even in the field (at the customer) and reduces overall costs. A systematic approach and the knowledge gained will also avoid the repetition of design flaws in new products and processes.
With FMEA, the risk of a vulnerability can be assessed. For this purpose, the significance of the error, the probability of occurrence (the cause of the error) and the probability of detection are systematically evaluated and converted into a key figure (Risk-Priority-Number RPN). From the level of the RPN, priority is given to developing measures for the identified vulnerability with the aim of reducing the probability of occurrence of a cause of the error and increasing the probability of detection of a potential cause of the error.
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