-
Federal
Anomaly Detection with Text Mining
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... -
Federal
Modeling, Detection, and Disambiguation of Sensor Faults for Aerospace Applications
National Aeronautics and Space Administration —
Sensor faults continue to be a major hurdle for sys- tems health management to reach its full potential. At the same time, few recorded instances of sensor faults... -
Federal
Solving a prisoner's dilemma in distributed anomaly detection
National Aeronautics and Space Administration —
Anomaly detection has recently become an important problem in many industrial and financial applications. In several instances, the data to be analyzed for possible... -
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
Sparse Inverse Gaussian Process Regression with Application to Climate Network Discovery
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. Gaussian Process... -
Federal
Classification of Mars Terrain Using Multiple Data Sources
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
HIRENASD Experimental Data - matlab format
National Aeronautics and Space Administration —
This resource contains the experimental data that was included in tecplot input files but in matlab files. dba1_cp has all the results is dimensioned (7,2) first... -
Federal
Prognostics Enhanced Reconfigurable Control of Electro-Mechanical Actuators
National Aeronautics and Space Administration —
Actuator systems are employed widely in aerospace, transportation and industrial processes to provide power to critical loads, such as aircraft control surfaces. They... -
Federal
HIRENASD Experimental Data
National Aeronautics and Space Administration —
Experimental Data for HIRENASD configuration Zip files below contain the experimental data for the pressure coefficients, both the static and the forced oscillation... -
Federal
An Integrated Model-Based Diagnostic and Prognostic Framework
National Aeronautics and Space Administration —
Systems health monitoring is essential in guar- anteeing the safe, efficient, and correct opera- tion of complex engineered systems. Diagnosis, which consists of... -
Federal
IGBT accelerated aging data set.
National Aeronautics and Space Administration —
Preliminary data from thermal overstress accelerated aging using the aging and characterization system. The data set contains aging data from 6 devices, one device... -
Federal
Classification
National Aeronautics and Space Administration —
A supervised learning task involves constructing a mapping from an input data space (normally described by several features) to an output space. A set of training... -
Federal
Physics of Failure Models for Capacitor Degradation in DC-DC Converters
National Aeronautics and Space Administration —
This paper proposes a combined energy-based model with an empirical physics of failure model for degradation analysis and prognosis of electrolytic capacitors in DC-... -
Federal
Comparison of Unsupervised Anomaly Detection Methods
National Aeronautics and Space Administration —
Several different unsupervised anomaly detection algorithms have been applied to Space Shuttle Main Engine (SSME) data to serve the purpose of developing a... -
Federal
Discovery of Abnormal Flight Patterns in Flight Track Data
National Aeronautics and Space Administration —
The National Airspace System (NAS) is an ever changing and complex engineering system. As the Next Generation Air Transportation System (NextGen) is developed, there... -
Federal
Automated Discovery of Flight Track Anomalies
National Aeronautics and Space Administration —
As new technologies are developed to handle the complexities of the Next Generation Air Transportation System (NextGen), it is increasingly important to address both... -
Federal
Topic Modeling for OLAP on Multidimensional Text Databases: Topic Cube and its Applications
National Aeronautics and Space Administration —
As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data... -
Federal
Accelerated Aging with Electrical Overstress and Prognostics for Power MOSFETs
National Aeronautics and Space Administration —
Power electronics play an increasingly important role in energy applications as part of their power converter circuits. Understanding the behavior of these devices,... -
Federal
Evaluating the Impact of Unrestricted Operation of Unmanned Aircraft Systems in the National Airspace System
National Aeronautics and Space Administration —
Unmanned aircraft systems (UAS) can be used for scientific, emergency management, and defense missions, among others. The existing federal air regulations,...