质量风险管理

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• 5. FMEA assesses the level of risk based on the severity, likelihood, and testability (SOD) of the risk occurrence
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• 1.Severity of risk occurrence (S)
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• 2.Possibility of risk occurrence (O)
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• 3.Detectability of risk occurrence (D)
  

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风险的计算

风险=严重性×可能性×可探测性=S× O × D

风险是三个因素合集

风险计算

定性系统RPR（risk priority ranking）

• 定性方式，采用高、中、低描、述风险的影响程度

• 综合的风险描述性评价，带有些直觉因素

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Calculation of risk

Risk=Severity × possibility × Detectability=S × O × D

Risk is a combination of three factors

Risk calculation

RPR (risk priority ranking)

• Qualitative approach, using high, medium, and low levels to describe and describe the impact of risks

• Comprehensive risk descriptive evaluation with some intuitive reasons

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风险发生的可能性

记录失败事件多长时间发生一次以及发生的几率

如果为10，则表示几乎肯定要发生

如果为1，则表示事件发生的几率极低

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• Possibility of risk occurrence



Record how often and how often a failure event occurs



If it is 10, it indicates that it is almost certain to happen



If it is 1, it indicates that the probability of an event occurring is extremely low