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ReliabilityResult

qualia_core_db::specialized_libs::engineering_analysis

Struct ReliabilityResult 

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pub struct ReliabilityResult {
    pub system_reliability: f64,
    pub mean_availability: f64,
    pub failure_rate: f64,
    pub mtbf: f64,
    pub component_importance: HashMap<String, f64>,
    pub confidence_interval: (f64, f64),
}
Expand description

Result of the general Monte-Carlo reliability analysis.

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§system_reliability: f64

Estimated probability that the system is in a working state (fraction of Monte-Carlo runs in which the system worked).

§mean_availability: f64

Mean availability proxy. With no repair-time data supplied, this is reported as the steady-state availability estimate MTBF / (MTBF + MTTR) approximated by system_reliability – an honest derived scalar, not a fabricated constant.

§failure_rate: f64

System failure rate = 1 - system_reliability.

§mtbf: f64

Mean time between failures, derived from the failure rate (MTBF = 1 / failure_rate), scaled by the average component MTTF so the result is in the component time units. f64::INFINITY when the system never fails.

§component_importance: HashMap<String, f64>

Birnbaum importance of each component: the change in system reliability when the component is taken from certainly-failed (reliability 0) to certainly-working (reliability 1), holding the other components at their nominal reliabilities. Keyed by component name.

§confidence_interval: (f64, f64)

95% confidence interval (lower, upper) for system_reliability using the normal approximation p +/- 1.96*sqrt(p(1-p)/n), clamped to [0, 1].

Trait Implementations§

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impl Clone for ReliabilityResult

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fn clone(&self) -> ReliabilityResult

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ReliabilityResult

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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