-
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
KEYWORD SEARCH IN TEXT CUBE: FINDING TOP-K RELEVANT CELLS
National Aeronautics and Space Administration —
KEYWORD SEARCH IN TEXT CUBE: FINDING TOP-K RELEVANT CELLS BOLIN DING, YINTAO YU, BO ZHAO, CINDY XIDE LIN, JIAWEI HAN, AND CHENGXIANG ZHAI Abstract. We study the... -
Federal
Multiple Kernel Learning for Heterogeneous Anomaly Detection: Algorithm and Aviation Safety Case Study
National Aeronautics and Space Administration —
The world-wide aviation system is one of the most complex dynamical systems ever developed and is generating data at an extremely rapid rate. Most modern commercial... -
Federal
A Bayesian Framework for Remaining Useful Life Estimation
National Aeronautics and Space Administration —
The estimation of remaining useful life (RUL) of a faulty component is at the center of system prognostics and health management. It gives operators a potent tool in... -
Federal
BSCW Unstructured Grids - VGRID software FINAL
National Aeronautics and Space Administration —
These grids were constructed using VGRID software from NASA Langley. The grids designed for node based (labeled 'nc') and cell-centered solvers are supplied. Grids... -
Federal
Aviation Safety 2009 IVHM Posters
National Aeronautics and Space Administration —
Posters form 2009 Aviation Safety Technical Conference -
Federal
Proactive Management of Aviation System Safety Risk
National Aeronautics and Space Administration —
Aviation safety systems have undergone dramatic changes over the past fifty years. If you take a look at the early technology in this area, you'll see that there was... -
Federal
An Adaptive Recurrent Neural Network for Remaining Useful Life Prediction of Lithium-ion Batteries
National Aeronautics and Space Administration —
Prognostics is an emerging science of predicting the health condition of a system (or its components) based upon current and previous system states. A reliable... -
Federal
Real System Failures
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
Impact of Input Uncertainty on Failure Prognostic Algorithms: Extending the Remaining Useful Life of Nonlinear Systems
National Aeronautics and Space Administration —
This paper presents a novel set of uncertainty measures to quantify the impact of input uncertainty on nonlinear prognosis systems. A Particle Filtering-based method... -
Federal
Condition-based prediction of time-dependent reliability in composites
National Aeronautics and Space Administration —
This paper presents a reliability-based prediction methodology to obtain the remaining useful life of composite materials subjected to fatigue degradation.... -
Federal
2010_09_10_position_dead
National Aeronautics and Space Administration —
Scenarios with a non-functioning position sensor fault (diagnostic) -
Federal
Project GitHub
National Aeronautics and Space Administration —
Release of CertWare was announced 23 Mar 2012 on: code.nasa.gov The announcement points to the Certware project on NASA’s GitHub repository at:... -
Federal
A Local Scalable Distributed EM Algorithm for Large P2P Networks
National Aeronautics and Space Administration —
his paper describes a local and distributed expectation maximization algorithm for learning parameters of Gaussian mixture models (GMM) in large peer-to-peer (P2P)... -
Federal
RSPF-based Prognosis Framework for Estimation of Remaining Useful Life in Energy Storage Devices
National Aeronautics and Space Administration —
This paper presents a case study where a RSPF-based prognosis framework is applied to estimate the remaining useful life of an energy storage device (Li-Ion battery).... -
Federal
RSW Mixed Element Medium Grid
National Aeronautics and Space Administration —
Medium grid for node-based unstructured methods using mixed-elements based on the grid guidelines. -
Federal
Third International Diagnostic Competition - DXC'11
National Aeronautics and Space Administration —
We present the third implementation of a framework created jointly by NASA Ames Research Center, Palo Alto Research Center, and Delft University of Technology to... -
Federal
UNDERSTANDING SEVERE WEATHER PROCESSES THROUGH SPATIOTEMPORAL RELATIONAL RANDOM FORESTS
National Aeronautics and Space Administration —
UNDERSTANDING SEVERE WEATHER PROCESSES THROUGH SPATIOTEMPORAL RELATIONAL RANDOM FORESTS AMY MCGOVERN, TIMOTHY SUPINIE, DAVID JOHN GAGNE II, NATHANIEL TROUTMAN,...