77 datasets found for "14f텔thinkDB⊇⊆로또디비상담%"
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Federal
Precursor Parameter Identification for Insulated Gate Bipolar Transistor (IGBT) Prognostics
National Aeronautics and Space Administration —
Precursor parameters have been identified to enable development of a prognostic approach for insulated gate bipolar transistors (IGBT). The IGBT were subjected to... -
Federal
Space Shuttle Main Propulsion System Anomaly Detection: A Case Study
National Aeronautics and Space Administration —
The space shuttle main engine (SSME) is part of the Main Propnlsion System (MPS) which is an extremely complex system containing several sub-systems and components,... -
Federal
Health Monitoring and Prognostics for Computer Servers
National Aeronautics and Space Administration —
Abstract Prognostics solutions for mission critical systems require a comprehensive methodology for proactively detecting and isolating failures, recommending and... -
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
Model-based Diagnostics for Propellant Loading Systems
National Aeronautics and Space Administration —
The loading of spacecraft propellants is a complex, risky operation. Therefore, diagnostic solutions are neces- sary to quickly identify when a fault occurs, so that... -
Federal
Comparative Analysis of Data-Driven Anomaly Detection Methods
National Aeronautics and Space Administration —
This paper provides a review of three different advanced machine learning algorithms for anomaly detection in continuous data streams from a ground-test firing of a... -
Federal
Physics Based Electrolytic Capacitor Degradation Models for Prognostic Studies under Thermal Overstress
National Aeronautics and Space Administration —
Electrolytic capacitors are used in several applications rang- ing from power supplies on safety critical avionics equipment to power drivers for electro-mechanical... -
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
Block-GP: Scalable Gaussian Process Regression for Multimodal Data
National Aeronautics and Space Administration —
Regression problems on massive data sets are ubiquitous in many application domains including the Internet, earth and space sciences, and finances. In many cases,... -
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
Classification of Aeronautics System Health and Safety Documents
National Aeronautics and Space Administration —
Most complex aerospace systems have many text reports on safety, maintenance, and associated issues. The Aviation Safety Reporting System (ASRS) spans several decades... -
Federal
Formal Specification and Verification of a Coordination Protocol for an Automated Air Traffic Control System
National Aeronautics and Space Administration —
We detail all of the facets of adapting classical model checking to a real aerospace system, in- cluding deriving the formal model and a set of specifications from... -
Federal
Sensor Validation using Bayesian Networks
National Aeronautics and Space Administration —
One of NASA’s key mission requirements is robust state estimation. Sensing, using a wide range of sensors and sensor fusion approaches, plays a central role in robust... -
Federal
Local L2 Thresholding Based Data Mining in Peer-to-Peer Systems
National Aeronautics and Space Administration —
In a large network of computers, wireless sensors, or mobile devices, each of the components (hence, peers) has some data about the global status of the system. Many... -
Federal
Prognostics Health Management and Physics based failure Models for Electrolytic Capacitors
National Aeronautics and Space Administration —
This paper proposes first principles based modeling and prognostics approach for electrolytic capacitors. Electrolytic capacitors and MOSFETs are the two major... -
Federal
Estimation of Faults in DC Electrical Power System
National Aeronautics and Space Administration —
This paper demonstrates a novel optimizationbased approach to estimating fault states in a DC power system. The model includes faults changing the circuit topology... -
Federal
Distributed Monitoring of the R2 Statistic for Linear Regression
National Aeronautics and Space Administration —
The problem of monitoring a multivariate linear regression model is relevant in studying the evolving relationship between a set of input variables (features) and one... -
Federal
A Systems Engineering Approach to Electro-Mechanical Actuator Diagnostic and Prognostic Development
National Aeronautics and Space Administration —
The authors have formulated a Comprehensive Systems Engineering approach to Electro-Mechanical Actuator (EMA) Prognostics and Health Management (PHM) system... -
Federal
Entropy-based probabilistic fatigue damage prognosis and algorithmic performance comparison
National Aeronautics and Space Administration —
In this paper, a maximum entropy-based general framework for probabilistic fatigue damage prognosis is investigated. The proposed methodology is based on an...
77 datasets found for "14f텔thinkDB⊇⊆로또디비상담%"