4. Case Study — Diagnosis

CDRA Failure: from first limit crossing to decision in 10 s

Module activation, detection, and hypotheses for CDRA Failure

Scenario 2 · activation and limit crossings for multi-channel time-series matching; hypotheses sharing symptoms: knowledge graph = nonzero symptom match, time-series = signature drives every scored channel

+5 s · detection

Humidity L1 / L2 cross caution → hypothesis generation and evaluation start

+5 s · hypotheses

5 candidates share the humidity symptom, for all three methods

+7 – 8 s · more evidence

ppCO₂ and crew-quarters humidity cross caution → knowledge graph 8, single 2, multi 1 (CDRA Failure)

+10 s · decision

Daphne-AT signals recovery of CDRA Failure (correct)