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Federal
Experimental Validation of a Prognostic Health Management System for Electro-Mechanical Actuators
National Aeronautics and Space Administration —
The work described herein is aimed to advance prognostic health management solutions for electro-mechanical actuators and, thus, increase their reliability and... -
Federal
Addressing the Real-World Challenges in the Development of Propulsion IVHM Technology Experiment (PITEX)
National Aeronautics and Space Administration —
The Propulsion IVHM Technology Experiment (PITEX) has been an on-going research effort conducted over several years. PITEX has developed and applied a model-based... -
Federal
Single reusable spacecraft
National Aeronautics and Space Administration —
Design of a my single person reusable spacecraft. It can carry one person and it has to be dropped from an aircraft at an altitude of 40,000 - 45,000 feet. Can be the... -
Federal
DXC'09 Synthetic Track Sample Data
National Aeronautics and Space Administration —
Sample data for the DXC'09 Synthetic Track. -
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 NLR grid
National Aeronautics and Space Administration —
Structured multiblock grid of HIRENASD wing with medium grid density, about 10 mill grid points, 9.5 mill cells. Starting from coarse AIAA AEPW structured grid,... -
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
Probabilistic Model-Based Diagnosis for Electrical Power Systems
National Aeronautics and Space Administration —
We present in this article a case study of the probabilistic approach to model-based diagnosis. Here, the diagnosed system is a real-world electrical power system,... -
Federal
Requirements Flowdown for Prognostics and Health Management
National Aeronautics and Space Administration —
Prognostics and Health Management (PHM) principles have considerable promise to change the game of lifecycle cost of engineering systems at high safety levels by... -
Federal
Health Monitoring and Prognostics for Computer Servers
National Aeronautics and Space Administration —
Abstract Prognostics solutions for mission critical systems require a comprehensive methodology for proactively detecting and isolating failures, recommending and... -
Federal
ADAPTIVE MODEL REFINEMENT FOR THE IONOSPHERE AND THERMOSPHERE
National Aeronautics and Space Administration —
ADAPTIVE MODEL REFINEMENT FOR THE IONOSPHERE AND THERMOSPHERE ANTHONY M. D’AMATO∗, AARON J. RIDLEY∗∗, AND DENNIS S. BERNSTEIN∗∗∗ Abstract. Mathematical models of... -
Federal
ν-Anomica: A Fast Support Vector based Novelty Detection Technique
National Aeronautics and Space Administration —
In this paper we propose ν-Anomica, a novel anomaly detection technique that can be trained on huge data sets with much reduced running time compared to the benchmark... -
Federal
Understanding Human Error Based on Automated Analyses vol 1
National Aeronautics and Space Administration —
A proactive approach to identifying and alleviating life-threatening conditions in the aviation system entails a well-defined process of identifying threats,... -
Federal
Evaluating Algorithm Performance Metrics Tailored for Prognostics
National Aeronautics and Space Administration —
Prognostics has taken center stage in Condition Based Maintenance (CBM) where it is desired to estimate Remaining Useful Life (RUL) of a system so that remedial... -
Federal
ISWHM: Tools and Techniques
National Aeronautics and Space Administration —
ISWHM: Tools and Techniques for Software and System Health Management -
Federal
2010_09_03 Lab
National Aeronautics and Space Administration —
Nominal, ballscrew jam fault, and spall fault scenarios (diagnostic and prognostic) -
Federal
Workshop Presentations: HIRENASD Analysts
National Aeronautics and Space Administration —
These slides were presented at the AePW, April 21-22, 2012. They detail the analytical results generated by each of the participating analysis teams for the HIRENASD. -
Federal
South-East Asian Region (SEAR): Sea Basin Landscape Mapping for Paleoclimatology & Recent Climate Change Impacts
National Aeronautics and Space Administration —
The objective of this work includes the coastal scenario, risks and development of coastal paleoclimatology through landscape mapping; by highlighting the devastating...