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Federal
Classification 22 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
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
Fleet Level Anomaly Detection of Aviation Safety Data
National Aeronautics and Space Administration —
For the purposes of this paper, the National Airspace System (NAS) encompasses the operations of all aircraft which are subject to air traffic control procedures. The... -
Federal
Accelerated Aging Platform for Prognostics of Power Electronics
National Aeronautics and Space Administration —
To advance the field of electronics prognostics, the study of transistor fault modes and their precursors is essential. This paper reports on a platform for the... -
Federal
An Integrated Approach to Battery Health Monitoring using Bayesian Regression, Classification and State Estimation
National Aeronautics and Space Administration —
The application of the Bayesian theory of managing uncertainty and complexity to regression and classification in the form of Relevance Vector Machine (RVM), and to... -
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
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
Virtual Sensors: Efficiently Estimating Missing Spectra
National Aeronautics and Space Administration —
Various instruments are used to create images of the Earth and other objects in the universe in a diverse set of wavelength bands with the aim of understanding... -
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
Anomaly Detection and Diagnosis Algorithms for Discrete Symbols
National Aeronautics and Space Administration —
We present a set of novel algorithms which we call sequenceMiner that detect and characterize anomalies in large sets of high-dimensional symbol sequences that arise... -
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
Energy Analysis of Multi-Function Devices in an Office Environment
National Aeronautics and Space Administration —
As part of an effort to monitor electricity usage by plug loads in a new high performance office building, plug load management devices were deployed to enable data... -
Federal
The Case for Software Health Management
National Aeronautics and Space Administration —
Software Health Management (SWHM) is a new field that is concerned with the development of tools and technologies to enable automated detection, diagnosis,... -
Federal
Anomaly Detection with Text Mining
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... -
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
A Survey of Artificial Intelligence for Prognostics
National Aeronautics and Space Administration —
Integrated Systems Health Management includes as key elements fault detection, fault diagnostics, and failure prognostics. Whereas fault detection and diagnostics... -
Federal
Improving Computational Efficiency of Prediction in Model-based Prognostics Using the Unscented Transform
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
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...