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Federal
Classification recent views
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
SAR Image Enhancement using Particle Filters recent views
National Aeronautics and Space Administration —
In this paper, we propose a novel approach to reduce the noise in Synthetic Aperture Radar (SAR) images using particle filters. Interpretation of SAR images is a... -
Federal
Identification of Spatial Fault Patterns in Semiconductor Wafers recent views
National Aeronautics and Space Administration —
Abstract The semiconductor industry is constantly searching for new ways to increase the rate of both process development and yield learning. As more data is being... -
Federal
Diagnosing Faults in Electrical Power Systems of Spacecraft and Aircraft recent views
National Aeronautics and Space Administration —
Electrical power systems play a critical role in spacecraft and aircraft, and they exhibit a rich variety of failure modes. This paper discusses electrical power... -
Federal
Pseudo-Label Generation for Multi-Label Text Classification recent views
National Aeronautics and Space Administration —
With the advent and expansion of social networking, the amount of generated text data has seen a sharp increase. In order to handle such a huge volume of text data,... -
Federal
Unsupervised Anomaly Detection for Liquid-Fueled Rocket Prop... recent views
National Aeronautics and Space Administration —
Title: Unsupervised Anomaly Detection for Liquid-Fueled Rocket Propulsion Health Monitoring. Abstract: This article describes the results of applying four... -
Federal
Anomaly Detection in a Fleet of Systems recent views
National Aeronautics and Space Administration —
A fleet is a group of systems (e.g., cars, aircraft) that are designed and manufactured the same way and are intended to be used the same way. For example, a fleet of... -
Federal
Propulsion Health Monitoring of a Turbine Engine Disk using Spin Test Data recent views
National Aeronautics and Space Administration —
On line detection techniques to monitor the health of rotating engine components are becoming increasingly attractive options to aircraft engine companies in order to... -
Federal
Analysis of Virtual Sensors for Predicting Aircraft Fuel Consumption recent views
National Aeronautics and Space Administration —
Previous research described the use of machine learning algorithms to predict aircraft fuel consumption. This technique, known as Virtual Sensors, models fuel... -
Federal
ASE SIM Workshop WEBCAST Link & Presentation Slides recent views
National Aeronautics and Space Administration —
Link to Aeroservoelasticity Simulation Workshop WEBCAST -
Federal
Estimation of Faults in DC Electrical Power System recent views
National Aeronautics and Space Administration —
This paper demonstrates a novel optimizationbased approach to estimating fault states in a DC power system. The model includes faults changing the circuit topology... -
Federal
DATA MINING THE GALAXY ZOO MERGERS recent views
National Aeronautics and Space Administration —
DATA MINING THE GALAXY ZOO MERGERS STEVEN BAEHR, ARUN VEDACHALAM, KIRK BORNE, AND DANIEL SPONSELLER Abstract. Collisions between pairs of galaxies usually end in the... -
Federal
A Model-based Avionic Prognostic Reasoner (MAPR) recent views
National Aeronautics and Space Administration —
The Model-based Avionic Prognostic Reasoner (MAPR) presented in this paper is an innovative solution for non-intrusively monitoring the state of health (SoH) and... -
Federal
Vehicle-Level Reasoning Systems: Integrating System-Wide data to Estimate Instantaneous Health State recent views
National Aeronautics and Space Administration —
One of the primary goals of Integrated Vehicle Health Management (IVHM) is to detect, diagnose, predict, and mitigate adverse events during the flight of an aircraft,... -
Federal
Data Mining in Systems Health Management recent views
National Aeronautics and Space Administration —
This chapter presents theoretical and practical aspects associated to the implementation of a combined model-based/data-driven approach for failure prognostics based... -
Federal
Improving Computational Efficiency of Prediction in Model-based Prognostics Using the Unscented Transform recent views
National Aeronautics and Space Administration —
Model-based prognostics captures system knowledge in the form of physics-based models of components, and how they fail, in order to obtain accurate predictions of end... -
Federal
Towards a Framework for Evaluating and Comparing Diagnosis Algorithms recent views
National Aeronautics and Space Administration —
Diagnostic inference involves the detection of anomalous system behavior and the identification of its cause, possibly down to a failed unit or to a parameter of a... -
Federal
RTA & IFASD June-July 2011 recent views
National Aeronautics and Space Administration —
Information that was shared at the meetings held in Paris is located in this resource page Paper that was published in magazine is linked directly -
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...