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Federal
Damage Propagation Modeling for Aircraft Engine Run-to-Failure Simulation
National Aeronautics and Space Administration —
This paper describes how damage propagation can be modeled within the modules of aircraft gas turbine engines. To that end, response surfaces of all sensors are... -
Federal
Predicting Battery Life for Electric UAVs
National Aeronautics and Space Administration —
This paper presents a novel battery health management technology for the new generation of electric unmanned aerial vehicles powered by long-life, high-density,... -
Federal
DIAGNOSTIC/PROGNOSTIC EXPERIMENTS FOR CAPACITOR DEGRADATION AND HEALTH MONITORING IN DC-DC CONVERTERS
National Aeronautics and Space Administration —
Studying and analyzing the ageing mechanisms of electronic components avionics in systems such as the GPS and INAV are of critical importance. In DC-DC power... -
Federal
Comparative Analysis of Data-Driven Anomaly Detection Methods
National Aeronautics and Space Administration —
This paper provides a review of three different advanced machine learning algorithms for anomaly detection in continuous data streams from a ground-test firing of a... -
Federal
Space Shuttle Main Propulsion System Anomaly Detection: A Case Study
National Aeronautics and Space Administration —
The space shuttle main engine (SSME) is part of the Main Propnlsion System (MPS) which is an extremely complex system containing several sub-systems and components,... -
Federal
Understanding Human Error Based on Automated Analyses
National Aeronautics and Space Administration —
This is a report on a continuing study of automated analyses of experiential textual reports to gain insight into the causal factors of human errors in aviation... -
Federal
Comparative Analyses of Operational Flights
National Aeronautics and Space Administration —
This report describes a cooperative experiment conducted by ONERA and NASA, with the support of Airbus S.A.S. and easyJet Airline Company, Ltd. The study evaluated... -
Federal
Integrated fatigue damage diagnosis and prognosis under uncertainties
National Aeronautics and Space Administration —
An integrated fatigue damage diagnosis and prognosis framework is proposed in this paper. The proposed methodology integrates a Lamb wave-based damage detection... -
Federal
Anomaly Detection from ASRS Databases of Textual Reports
National Aeronautics and Space Administration —
Our primary goal is to automatically analyze textual reports from the Aviation Safety Reporting System (ASRS) database to detect/discover the anomaly categories... -
Federal
Entropy-based probabilistic fatigue damage prognosis and algorithmic performance comparison
National Aeronautics and Space Administration —
In this paper, a maximum entropy-based general framework for probabilistic fatigue damage prognosis is investigated. The proposed methodology is based on an... -
Federal
Anomaly Detection for Complex Systems
National Aeronautics and Space Administration —
In performance maintenance in large, complex systems, sensor information from sub-components tends to be readily available, and can be used to make predictions about... -
Federal
Battery Health Management System for Electric UAVs
National Aeronautics and Space Administration —
In summary, this paper lays out a novel battery health management technique for application onboard an electric UAV. This technique is also applicable to other... -
Federal
Sharepoint Link
National Aeronautics and Space Administration —
Link to Sharepoint website containing a repository of more detailed internal information for authorized users -
Federal
Temperature Stratification in a Cryogenic Fuel Tank
National Aeronautics and Space Administration —
A reduced dynamical model describing temperature stratification effects driven by natural convection in a liquid hydrogen cryogenic fuel tank has been developed. It... -
Federal
Distributed Anomaly Detection Using Satellite Data From Multiple Modalities
National Aeronautics and Space Administration —
There has been a tremendous increase in the volume of Earth Science data over the last decade from modern satellites, in-situ sensors and different climate models....