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Federal
Identification of Spatial Fault Patterns in Semiconductor Wafers
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
Novel Methods for Predicting Photometric Redshifts
National Aeronautics and Space Administration —
We calculate photometric redshifts from the Sloan Digital Sky Survey Main Galaxy Sample, The Galaxy Evolution Explorer All Sky Survey, and The Two Micron All Sky... -
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
Prognostics of Power MOSFET
National Aeronautics and Space Administration —
This paper demonstrates how to apply prognostics to power MOSFETs (metal oxide field effect transistor). The methodology uses thermal cycling to age devices and... -
Federal
Accelerated Aging Experiments for Capacitor Health Monitoring and Prognostics
National Aeronautics and Space Administration —
This paper discusses experimental setups for health monitoring and prognostics of electrolytic capacitors under nominal operation and accelerated aging conditions.... -
Federal
Accelerated Aging in Electrolytic Capacitors for Prognostics
National Aeronautics and Space Administration —
The focus of this work is the analysis of different degradation phenomena based on thermal overstress and electrical overstress accelerated aging systems and the use... -
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
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
Prognostics Of Power Mosfets Under Thermal Stress Accelerated Aging Using Data-Driven And Model-Based Methodologies
National Aeronautics and Space Administration —
An approach for predicting remaining useful life of power MOSFETs (metal oxide field effect transistor) devices has been developed. Power MOSFETs are semiconductor... -
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
Distributed Monitoring of the R2 Statistic for Linear Regression
National Aeronautics and Space Administration —
The problem of monitoring a multivariate linear regression model is relevant in studying the evolving relationship between a set of input variables (features) and one... -
Federal
AePW publications
National Aeronautics and Space Administration —
This will contain publications used by the AePW -
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
LUNAR TERRAIN AND ALBEDO RECONSTRUCTION FROM APOLLO IMAGERY
National Aeronautics and Space Administration —
LUNAR TERRAIN AND ALBEDO RECONSTRUCTION FROM APOLLO IMAGERY ARA V NEFIAN, TAEMIN KIM, MICHAEL BROXTON, AND ZACH MORATTO* Abstract.... -
Federal
Privacy Preserving Distributed Data Mining
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 Prognostics for Electronics Components
National Aeronautics and Space Administration —
Electronics components have an increasingly critical role in avionics systems and in the development of future aircraft systems. Prognostics of such components is... -
Federal
Distributed Prognostics System Implementation on Wireless Embedded Devices
National Aeronautics and Space Administration —
Distributed prognostics is the next step in the evolution of prognostic methodologies. It is an important enabling technology for the emerging Condition Based... -
Federal
A knowledge-based system approach for sensor fault modeling, detection and mitigation
National Aeronautics and Space Administration —
Sensors are vital components for control and advanced health management techniques. However, sensors continue to be considered the weak link in many engineering... -
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...