Abstract: Failure modes and effects analysis (FMEA) has been used to identify the critical risk events and predict a system failure to avoid or reduce the potential failure modes and their effect on operations. The risk priority number (RPN) is the classical method to evaluate the risk of failure in conventional FMEA. RPN, which ranges from 1 to 1000, is a mathematical product of three parameters--severity ( $$S$$ ), occurrence ( $$O$$ ), and detection ( $$D$$ )--to rank and assess the risk of potential failure modes. However, there are some shortcomings...
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Topics: 
Reliability engineering
Risk analysis (engineering)