Spanda

Prognostics

Prognostics declare remaining useful life (RUL) predictions and degradation warnings.

Syntax

prognostics BatteryPrognostics {
    predict battery.remaining_useful_life;
    warn_if remaining_useful_life < 30 min;
}

Core types

Type	Role
PrognosticModel	Named model with rules
RemainingUsefulLife	Component RUL estimate
FailurePrediction	Probability and horizon
DegradationTrend	Metric direction and rate

CLI

spanda prognostics rover.sd [--json]

Package

Advanced degradation models: spanda-prognostics (assurance.prognostics).

Complements spanda-maintenance (predictive maintenance) without duplicating health metrics.

Example

See examples/prognostics/battery_degradation.sd.

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