vault backup: 2021-07-19 16:40:34

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2021-07-19 16:40:34 +02:00
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- define [[controller constraints]]: behaviours that need to be satisfied to prevent UCAs. they can usually be derived from negations of the UCAs. - define [[controller constraints]]: behaviours that need to be satisfied to prevent UCAs. they can usually be derived from negations of the UCAs.
- step four: [[identify loss scenarios]] - step four: [[identify loss scenarios]]
- a [[loss scenario]] describes the [[causal factors]] that can lead to the [[unsafe control actions]] and to [[hazards]]. - a [[loss scenario]] describes the [[causal factors]] that can lead to the [[unsafe control actions]] and to [[hazards]].
- - 4a: write scenarios which cause UCAs
- 4b: write scenarios whe