84 datasets found for "Use Support Rating"
-
Federal
Discovering Precursors to Aviation Safety Incidents: KDD 2010
National Aeronautics and Space Administration —
Modern aircraft are producing data at an unprecedented rate with hundreds of parameters being recorded on a second by second basis. The data can be used for studying... -
Federal
Fast and Flexible Multivariate Time Series Subsequence Search
National Aeronautics and Space Administration —
Multivariate Time-Series (MTS) are ubiquitous, and are generated in areas as disparate as sensor recordings in aerospace systems, music and video streams, medical... -
Federal
Physics based Degradation Modeling and Prognostics of Electrolytic Capacitors under Electrical Overstress Conditions
National Aeronautics and Space Administration —
This paper proposes a physics based degradation modeling and prognostics approach for electrolytic capacitors. Electrolytic capacitors are critical components in... -
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
Prognostics Health Management of Electronic Systems Under Mechanical Shock and Vibration Using Kalman Filter Models and Metrics
National Aeronautics and Space Administration —
Structural damage to ball grid array interconnects incurred during vibration testing has been monitored in the prefailure space using resistance spectroscopy-based... -
Federal
In-situ fatigue life prognosis for composite laminates based on stiffness degradation
National Aeronautics and Space Administration —
In this paper, a real-time composite fatigue life prognosis framework is proposed. The proposed methodology combines Bayesian inference, piezoelectric sensor... -
Federal
Model-based Prognostics with Concurrent Damage Progression Processes
National Aeronautics and Space Administration —
Model-based prognostics approaches rely on physics-based models that describe the behavior of systems and their components. These models must account for the several... -
Federal
Using Decision Trees to Detect and Isolate Leaks in the J-2X
National Aeronautics and Space Administration —
Full title: Using Decision Trees to Detect and Isolate Simulated Leaks in the J-2X Rocket Engine Mark Schwabacher, NASA Ames Research Center Robert Aguilar, Pratt... -
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
Rotor health monitoring combining spin tests and data-driven anomaly detection methods
National Aeronautics and Space Administration —
Health monitoring is highly dependent on sensor systems that are capable of performing in various engine environmental conditions and able to transmit a signal upon a... -
Federal
Prognostics for Ground Support Systems: Case Study on Pneumatic Valves
National Aeronautics and Space Administration —
Prognostics technologies determine the health (or damage) state of a component or sub- system, and make end of life (EOL) and remaining useful life (RUL) predictions.... -
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
Unsupervised Anomaly Detection for Liquid-Fueled Rocket Prop...
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
Integrated Diagnostic/Prognostic Experimental Setup for Capacitor Degradation and Health Monitoring
National Aeronautics and Space Administration —
This paper proposes the experiments and setups for studying diagnosis and prognosis of electrolytic capacitors in DC-DC power converters. Electrolytic capacitors and... -
Federal
Modeling Propagation of Gas Path Damage
National Aeronautics and Space Administration —
This paper describes how damage propagation can be tracked and modeled for a range of fault modes in some modules of commercial high bypass aircraft engines. To that... -
Federal
Long-term prediction of nonlinear time series
National Aeronautics and Space Administration —
This paper is about applying recurrent least squares support vector machines (LS-SVM) on three ESTSP08 competition datasets. Least squares support vector machines are... -
Federal
An Efficient Local Algorithm for Distributed Multivariate Regression
National Aeronautics and Space Administration —
This paper offers a local distributed algorithm for multivariate regression in large peer-to-peer environments. The algorithm is designed for distributed inferencing,... -
Federal
Detecting Anomalies in Multivariate Data Sets with Switching Sequences and Continuous Streams
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
Pilot Study of a Plug Load Management System: Preparing for Sustainability Base
National Aeronautics and Space Administration —
NASA Ames Research Center’s Sustainability Base is a new 50,000 sq. ft. high-performance office building targeting a LEED Platinum rating. Plug loads are expected to... -
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...
84 datasets found for "Use Support Rating"