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Federal
Adaptive Contingency Control: Wind Turbine Operation Integrated with Blade Condition Monitoring recent views
National Aeronautics and Space Administration —
We report here on first steps towards integrating systems health monitoring with adaptive contingency controls. In the scenario considered, the adaptive controller... -
Federal
Algorithms for Speeding up Distance-Based Outlier Detection recent views
National Aeronautics and Space Administration —
The problem of distance-based outlier detection is difficult to solve efficiently in very large datasets because of potential quadratic time complexity. We address... -
Federal
Prognostic Health-Management System Development for Electromechanical Actuators recent views
National Aeronautics and Space Administration —
Electro-mechanical actuators (EMAs) have been gaining increased acceptance as safety-critical actuation devices in the next generation of aircraft and spacecraft. The... -
Federal
Block-GP: Scalable Gaussian Process Regression for Multimodal Data recent views
National Aeronautics and Space Administration —
Regression problems on massive data sets are ubiquitous in many application domains including the Internet, earth and space sciences, and finances. In many cases,... -
Federal
UNDERSTANDING SEVERE WEATHER PROCESSES THROUGH SPATIOTEMPORAL RELATIONAL RANDOM FORESTS recent views
National Aeronautics and Space Administration —
UNDERSTANDING SEVERE WEATHER PROCESSES THROUGH SPATIOTEMPORAL RELATIONAL RANDOM FORESTS AMY MCGOVERN, TIMOTHY SUPINIE, DAVID JOHN GAGNE II, NATHANIEL TROUTMAN,... -
Federal
Comparative Analyses of Operational Flights recent views
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
Fault Adaptive Control of Overactuated Systems Using Prognostic Estimation recent views
National Aeronautics and Space Administration —
Most fault adaptive control research addresses the preservation of system stability or functionality in the presence of a specific failure (fault). This paper... -
Federal
Prognostics Methods for Battery Health Monitoring Using a Bayesian Framework recent views
National Aeronautics and Space Administration —
This paper explores how the remaining useful life (RUL) can be assessed for complex systems whose internal state variables are either inaccessible to sensors or hard... -
Federal
Classification of Mars Terrain Using Multiple Data Sources recent views
National Aeronautics and Space Administration —
Classification of Mars Terrain Using Multiple Data Sources Alan Kraut1, David Wettergreen1 ABSTRACT. Images of Mars are being collected faster than they can be... -
Federal
Flight Data For Tail 673 recent views
National Aeronautics and Space Administration —
The following zip files contain individual flight recorded data in Matlab file format. There are 186 parameters each with a data structure that contains the... -
Federal
Long-term prediction of nonlinear time series recent views
National Aeronautics and Space Administration —
This paper is about applying recurrent least squares support vector machines (LS-SVM) on three ESTSP08 competition datasets. Least squares support vector machines are... -
Federal
A Comparison of Three Data-driven Techniques for Prognostics recent views
National Aeronautics and Space Administration —
In situations where the cost/benefit analysis of using physics-based damage propagation algorithms is not favorable and when sufficient test data are available that... -
Federal
Probabilistic Fault Diagnosis in Electrical Power Systems recent views
National Aeronautics and Space Administration —
Electrical power systems play a critical role in spacecraft and aircraft. This paper discusses our development of a diagnostic capability for an electrical power... -
Federal
Real System Failures recent views
National Aeronautics and Space Administration —
This resource area contains descriptions of actual electronic systems failure scenarios with an emphasis on the diversity of failure modes and effects that can befall... -
Federal
Privacy Preserving Distributed Data Mining recent views
National Aeronautics and Space Administration —
Distributed data mining from privacy-sensitive multi-party data is likely to play an important role in the next generation of integrated vehicle health monitoring... -
Federal
Towards Requirements in Systems Engineering for Aerospace IVHM Design recent views
National Aeronautics and Space Administration —
Health management (HM) technologies have been employed for safety critical system for decades, but a coherent systematic process to integrate HM into the system... -
Federal
Blind Source Separation recent views
National Aeronautics and Space Administration —
Blind source separation in Simulink using STFT and inverse STFT (Signal processing blockset). -
Federal
Jet Engine Performance Deterioration recent views
National Aeronautics and Space Administration —
This data set contains numerous trajectories of engine related parameters that terminate at a lower acceptable threshold -
Federal
An Integrated Approach to Battery Health Monitoring using Bayesian Regression, Classification and State Estimation recent views
National Aeronautics and Space Administration —
The application of the Bayesian theory of managing uncertainty and complexity to regression and classification in the form of Relevance Vector Machine (RVM), and to... -
Federal
Anomaly Detection with Text Mining recent views
National Aeronautics and Space Administration —
Many existing complex space systems have a significant amount of historical maintenance and problem data bases that are stored in unstructured text forms. The problem...