216 datasets found
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Distributed Anomaly Detection using 1-class SVM for Vertically Partitioned Data
NASA Test —
There has been a tremendous increase in the volume of sensor data collected over the last decade for different monitoring tasks. For example, petabytes of earth... -
Damage Propagation Modeling for Aircraft Engine Run-to-Failure Simulation
NASA Test —
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... -
IVHM Integrity Assurance
NASA Test —
Integrity Assurance methods for Integrated Vehicle Health Management -
First International Diagnosis Competition – DXC’09
NASA Test —
A framework to compare and evaluate diagnosis algorithms (DAs) has been created jointly by NASA Ames Research Center and PARC. In this paper, we present the first... -
AADL Models of Network Protocols
NASA Test —
AADL and Error Annex models of SAFEbus, SPIDER, TTP and BRAIN -
Discriminative Mixed-Membership Models
NASA Test —
Although mixed-membership models have achieved great success in unsupervised learning, they have not been widely applied to classification problems. In this paper, we... -
nu-Anomica algorithm
NASA Test —
One-class nu-Support Vector machine (SVMs) learning technique maps the input data into a much higher dimensional space and then uses a small portion of the training... -
Mining Distance-Based Outliers in Near Linear Time
NASA Test —
Full title: Mining Distance-Based Outliers in Near Linear Time with Randomization and a Simple Pruning Rule Abstract: Defining outliers by their distance to... -
Theoretically Optimal Distributed Anomaly Detection
NASA Test —
A novel general framework for distributed anomaly detection with theoretical performance guarantees is proposed. Our algorithmic approach combines existing anomaly... -
SAR Image Enhancement using Particle Filters
NASA Test —
In this paper, we propose a novel approach to reduce the noise in Synthetic Aperture Radar (SAR) images using particle filters. Interpretation of SAR images is a... -
New Approaches To Photometric Redshift Prediction
NASA Test —
Expanding upon the work of Way & Srivastava (2006) we demonstrate how the use of training sets of comparable size continue to make Gaussian Process Regression a... -
Qualitative Event-based Diagnosis with Possible Conflicts Applied to Spacecraft Power Distribution Systems
NASA Test —
Model-based diagnosis enables efficient and safe operation of engineered systems. In this paper, we describe two algorithms based on a qualitative event-based fault... -
Uncertainty Management for Diagnostics and Prognostics of Batteries using Bayesian Techniques
NASA Test —
Uncertainty management has always been the key hurdle faced by diagnostics and prognostics algorithms. A Bayesian treatment of this problem provides an elegant and... -
Replication of Electric Aircraft Powertrain Dynamics and Inner-Loop Control for V&V of System Health Management Routines
NASA Test —
Software-in-the-loop and hardware-in-the-loop testing of failure prognostics and decision making tools for aircraft systems will facilitate more comprehensive and... -
Machine Learning for Earth Observation Flight Planning Optimization
NASA Test —
This paper is a progress report of an effort whose goal is to demonstrate the effectiveness of automated data mining and planning for the daily management of Earth... -
Bayesian Separation of Non-Stationary Mixtures of Dependent Gaus
NASA Test —
In this work, we propose a novel approach to perform Dependent Component Analysis (DCA). DCA can be thought as the separation of latent, dependent sources from their... -
A Distributed Approach to System-Level Prognostics
NASA Test —
Prognostics, which deals with predicting remaining useful life of components, subsystems, and systems, is a key tech- nology for systems health management that leads... -
Exploring the Model Design Space for Battery Health Management
NASA Test —
Battery Health Management (BHM) is a core enabling technology for the success and widespread adoption of the emerging electric vehicles of today. Although battery... -
A Model-Based Prognostics Approach Applied to Pneumatic Valves
NASA Test —
Within the area of systems health management, the task of prognostics centers on predicting when components will fail. Model-based prognostics exploits domain...
216 datasets found