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US 2018/0025557 A1Published application
Adaptive algorithm-based engine health prediction
AssigneeBell Helicopter Textron Inc.
InventorAlan H. STEINERT
Life of this patent
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Abstract
A system and algorithm-based method of determining engine health and assuring available propulsion power based on historical data reflecting the individual engine's unique performance “fingerprint.”
Claims20
A method of collecting engine data for use in determining the health of an engine on an aircraft, the method comprising:
- receiving engine operating information;
- determining from the engine operating information a power parameter and a critical parameter;
- recording as a data point the power parameter and the critical parameter;
- and
- merging the data point with a stored data set, the stored data set including previously recorded power parameter and critical parameter data points.
2 more elements
A method of determining the health of an engine on an aircraft, the method comprising:
- selecting an engine performance curve to use in creating an engine health model;
- executing a curve-fitting process to obtain a fitted curve, the fitted curve being based on the selected engine performance curve and a stored data set;
- evaluating engine health by comparing the fitted curve to a 100% specification-level performance curve for the engine;
- and
- outputting engine health information.
2 more elements
A method of determining the health of an engine on an aircraft, the method comprising:
- receiving engine operating information;
- determining from the engine operating information a power parameter and a critical parameter;
- recording as a data point the power parameter and the critical parameter;
- merging the data point with a stored data set, the stored data set including previously recorded power parameter and critical parameter data points;
- selecting an engine performance curve to use in creating an engine health model;
- obtaining a fitted curve by translating and rotating the selected engine performance curve to achieve a low error with respect to the stored data set;
- evaluating engine health by comparing the fitted curve to a 100% specification-level performance curve for the engine;
- and
- outputting engine health information.
6 more elements
Dependencies are inferred from the claim text.