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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
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
Solving a prisoner's dilemma in distributed anomaly detection
National Aeronautics and Space Administration —
Anomaly detection has recently become an important problem in many industrial and financial applications. In several instances, the data to be analyzed for possible... -
Federal
A Reasoning Architecture for Expert Troubleshooting of Complex Processes
National Aeronautics and Space Administration —
This paper introduces a novel reasoning methodology, in combination with appropriate models and measurements (data) to perform accurately and expeditiously expert... -
Federal
Accelerated Aging Experiments for Prognostics of Damage Growth in Composite Materials
National Aeronautics and Space Administration —
Composite structures are gaining importance for use in the aerospace industry. Compared to metallic structures their behavior is less well understood. This lack of... -
Federal
A Diagnostic Approach for Electro-Mechanical Actuators in Aerospace Systems
National Aeronautics and Space Administration —
Electro-mechanical actuators (EMA) are finding increasing use in aerospace applications, especially with the trend towards all all-electric aircraft and spacecraft... -
Federal
DXC'09 Industrial Track Competition Data
National Aeronautics and Space Administration —
Competition data, including nominal and faulty scenarios, for Industrial Track Tier 1 and Tier 2 of the First International Diagnostic Competition. Three file formats... -
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
A Combined Model-Based and Data-Driven Prognostic Approach for Aircraft System Life Management
National Aeronautics and Space Administration —
Failure prognosis - as a natural extension to the fault detection and isolation (FDI) problem - has become a key issue in a world where the economic impact of system... -
Federal
Bonissone CIDU Presentation: Design of Local Fuzzy Models
National Aeronautics and Space Administration —
After reviewing key background concepts in fuzzy systems and evolutionary computing, we will focus on the use of local fuzzy models, which are related to both kernel... -
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
Prognostics Enhanced Reconfigurable Control of Electro-Mechanical Actuators
National Aeronautics and Space Administration —
Actuator systems are employed widely in aerospace, transportation and industrial processes to provide power to critical loads, such as aircraft control surfaces. They... -
Federal
Prognostics
National Aeronautics and Space Administration —
Prognostics has received considerable attention recently as an emerging sub-discipline within SHM. Prognosis is here strictly defined as “predicting the time at which... -
Federal
Designing Data-Driven Battery Prognostic Approaches for Variable Loading Profiles: Some Lessons Learned
National Aeronautics and Space Administration —
Among various approaches for implementing prognostic algorithms data-driven algorithms are popular in the industry due to their intuitive nature and relatively fast... -
Federal
A Survey of Health Management User Objectives in Aerospace Systems Related to Diagnostic and Prognostic Metrics
National Aeronautics and Space Administration —
One of the most prominent technical challenges to effective deployment of health management systems is the vast difference in user objectives with respect to... -
Federal
Third International Diagnostic Competition
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 com-... -
Federal
DXC'10 Industrial Track Competition Data
National Aeronautics and Space Administration —
Competition data, including nominal and faulty scenarios, for Diagnostic Problems I and II of the Second International Diagnostic Competition. Three file formats are... -
Federal
Aviation System Monitoring and Modeling Project
National Aeronautics and Space Administration —
Air transportation, one of the most important modes of transportation, is also one of the safest. Nevertheless, the public demands that safety levels continuously... -
Federal
Developing Large-Scale Bayesian Networks by Composition
National Aeronautics and Space Administration —
In this paper, we investigate the use of Bayesian networks to construct large-scale diagnostic systems. In particular, we consider the development of large-scale...