Failure and effect analysis - 3SE
Reviewedhttps://www.3se.info/3se-onto/terms/failure-and-effect-analysis-3se-06a42cbd0bd47657
Analysis of the potential failure of a system function and its effect on the system state it is allocated to.
It includes the following steps:
(1) For each system function, identify the potential failure
(2)For each potential failure, identify the hazardous situations
(4) For each hazardous situation, determine the different operating conditions and the generated hazard.
(5) For each hazardous situation, evaluate the likelihood of its occurrence.
(6) For each hazardous situation, evaluate the targeted safety risk level based on its hazard severity and the likelihood of its occurrence.
(7) For each hazardous situation, decide the safety risk treatment: avoid, reduce, retain or share.
(8) For each hazardous situation, if the safety risk must be reduced, then identify the safety system functional requirements and/or the safety system non-functional requirements and/or the safety system constraints and/or the safety system architecture constraints.
(9) For each hazardous situation, evaluate the safety residual risk level after treatment.
(10) For each hazardous situation, determine if the safety risk treatment leads to a threatening situation in the same context.
Classification
flowchart TD
N1["Failure and effect analysis"]:::current
N2["Risk analysis"]
N3["Analysis"]
N1 -->|subclass of| N2
N2 -->|subclass of| N3
classDef current fill:#e8f4f8,stroke:#2980b9,stroke-width:2px
Relations
JSON-LD
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Raw JSON-LD: index.jsonld
Created 2026-06-29 · Modified 2026-10-16 · by @rcasteran