See All Resources (468)
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A Publication, Kai Goebel's Collection - 8 years, 4 months ago
Shared By: Kai Goebel
Electronic systems may be subjected to prolonged and intermittent periods of storage prior to deployment or usage. Prior studies have shown that leadfree solder interconnects ...
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Anomaly Detection in Aviation Data using Extreme Learning Machines
A Publication, Fast anomaly detection - 8 years, 3 months ago
Shared By: Vijay Manikandan Janakiraman
We develop fast anomaly detection algorithms using extreme learning machines (ELM) to discover operationally significant anomalies in large aviation data sets. Anomaly detection (aka one-class ...
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A Publication, Prognostics CoE Publications - 8 years, 8 months ago
Shared By: Kai Goebel
A Bayesian approach is presented for selecting the most probable model class among a set of damage mechanics models for fatigue damage progression in composites. ...
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An Energy-based Prognostic Framework to Predict Evolution of Damage
A Publication, Prognostics CoE Publications - 8 years, 9 months ago
Shared By: Kai Goebel
Real-time measurements of the structural performance are now possible through state-of-the-art structural health monitoring (SHM) techniques, and a large amount of response data can be ...
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Assisted design, implementation, and modification of procedure tracking and advisory systems
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
Automated procedure tracking systems have been of interest in the nuclear power industry due to the huge numbers of documented procedures required for the operation ...
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A Diagnosis System Using Object-Oriented Fault Tree Models
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
Spaceborne computing systems must provide reliable, continuous operation for extended periods. Due to weight, power, and volume constraints, these systems must manage resources very effectively. ...
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An integrated approach to system design, reliability, and diagnosis
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
The requirement for ultradependability of computer systems in future avionics and space applications necessitates a top-down, integrated systems ingeneering approach for design, implementation, testing, and ...
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Object-oriented fault tree models applied to system diagnosis
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
When a diagnosis system is used in a dynamic environment, such as the distributed computer system planned for use on Space Station Freedom, it must ...
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An integrated approach to system design, reliability, and diagnosis
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
Two tools for engineering analyses of highly reliable systems, one for quantitative reliability evaluation and the other for fault diagnosis, have been developed based on ...
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Automatic translation of digraph to fault-tree models
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
The author presents a technique for converting digraph models, including those models containing cycles, to a fault-tree format. A computer program which automatically performs this ...
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Digraph reliability model processing advances and applications
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
This paper describes a new algorithm, called SourceDoubls, which efficiently solves for singletons and doubletons of a digraph reliability model. Compared with previous methods, the ...
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Digraphs and fault trees: a tale of two combinatorial modeling methods
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
The authors illustrate the similarities and differences of digraph and AND-OR fault tree models and discuss their use together in light of the strengths of ...
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Program Finds Minimal Cut Sets
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
CUTSETS computer program identifies all minimal cut sets for given node. Software package contains subprograms that solve for minimal cut sets of fault trees and ...
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Advances in digraph model processing applied to automated monitoring and diagnosis
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
Reliability models contain a great deal of information about the modeled system that can be used for automated diagnosis of the system. Using such a ...
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Automated Telescope Monitoring and Diagnosis
A Publication, DAVID IVERSON's Collection - 8 years, 11 months ago
Shared By: DAVID IVERSON
This paper discusses automated telescope monitoring and diagnosis work currently being performed at NASA Ames Research Center in cooperation with AutoScope Corporation. Topics addressed include ...