Karteikarten
Safety
Karten in diesem Stapel (8)
- 1Stochastic DesignRandom probability distribution may be analysed statistically
- 2Deterministic DesignNo randomness involved in the development of the future states of the system
- 3Level 1Design codes derived on the basis of reliability theory
- 4Level 2Number of idealisations introduced from level 3
Assumed failure surface closest to the origin when mapped into a standard normal space
Reliability Index rather than Pf
Introduced due to difficultiews in correction with determining the joint probability density function of the variables and in evaluating the resulting multiple integration
Originally FOSMMV approach
H-L introduced later
Easier to apply than level 3 - 5Level 3Most demanding in terms of reuqired input info
Probability of failure is always possible and may be found by integrating the joint probability density function of variable involved in the load and strength - 6Coefficient of VarianceStandard Deviation
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Mean - 7FMECAFailure Mode Effects Critical Analysis
- Identify failures & modes
- Identify direct consequential effects
1. COMPONENT ID
2. FUNCTION of component in system
3. Failure MODE & CAUSE
4. FREQUENCY of failure mode
5. DETECTION of failure
6. CORRECTIVE measures
- to restore system
- time required
7. EFFECTS on system
- Equipment & subsystem
- Mission & delay
- Safety
8. CLASS
- Critical
- Major
- Minor
9. PREVENTATIVE measures - 8Why is H-L better than FOSMMVFOSMMV
Expands around the mean variables
Use H-L
Allows design around the failure surface.
Informationen
- Beschreibung
- Karteikarten am Safety, erstellt von tom8390 am 14/05/2016.
- Erstellt von
- tom8390
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