Methods and systems for turbine line replaceable unit fault detection and isolation during engine startup

A system for isolating a performance anomaly within one or more engine components comprising:

• one or more sensors, each sensor monitoring a different engine parameter time series;
• a feature extraction module, whereby a specific subset of event features is extracted from the different engine parameter time series;
• a feature selection module, whereby the subset of event features is parsed according to which of the one or more engine components for which it is indicative of performance;
• a comparison module, wherein values of the event features are compared to a corresponding baseline value for each event feature contained therein;
• and
• a fault isolation reasoner that identifies a particular anomaly within the one or more engine components based on the comparison.

A system for isolating a performance anomaly within one or more engine components comprising:

• a set of sensors, each sensor of the set monitoring at least one operating parameter of at least one engine component;
• an anomaly detector;
• the anomaly detector configured to detect an anomaly in the at least one engine component by comparing a particular value of the at least one operating parameter to a baseline feature value;
• and
• a fault isolation reasoner;
• the fault isolation reasoner configured to disambiguate a cause of the anomaly in the at least one engine component utilizing a set of component reasoners that is based on the nature of the detected anomaly.