See All Resources (468)
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A Publication, Deniz Gencaga's Collection - 10 years, 11 months ago
Shared By: Deniz Gencaga
Abstract—Air quality information is increasingly becoming a public health concern, since some of the aerosol particles pose harmful effects to peoples health. One widely available ...
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Towards Software Health Management with Bayesian Networks
A Publication, Ashok Srivastava's Collection - 10 years, 12 months ago
Shared By: Ashok Srivastava
As software and software intensive systems are becoming increasingly ubiquitous, the impact of failures can be tremendous. In some industries such as aerospace, medical devices, ...
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Development of Wing Aero-Structural Analysis Models and Optimization Survey for the NASA Common Research Model
A Publication, Structural Efficiency - 11 years, 1 month ago
Shared By: JAMES MOORE
Development of a generic wingbox finite element model set based on the NASA Common Research model (CRM) was undertaken to examine fundamental structural dynamics with ...
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Energy Analysis of Multi-Function Devices in an Office Environment
A Publication, Sustainability Base - 11 years, 1 month ago
Shared By: RODNEY MARTIN
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 ...
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Fault Adaptive Control of Overactuated Systems Using Prognostic Estimation
A Publication, Brian Bole's Collection - 11 years, 2 months ago
Shared By: Brian Bole
Most fault adaptive control research addresses the preservation of system stability or functionality in the presence of a specific failure (fault). This paper examines the ...
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Adaptive Load-Allocation for Prognosis-Based Risk Management
A Publication, Brian Bole's Collection - 11 years, 2 months ago
Shared By: Brian Bole
It is an inescapable truth that no matter how well a system is designed it will degrade, and if degrading parts are not repaired or ...
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Precursor Parameter Identification for Insulated Gate Bipolar Transistor (IGBT) Prognostics
A Publication, Jose Celaya Galvan's Collection - 11 years, 2 months ago
Shared By: Jose Celaya Galvan
Precursor parameters have been identified to enable development of a prognostic approach for insulated gate bipolar transistors (IGBT). The IGBT were subjected to thermal overstress ...
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Simulation-based Design and Validation of Automated Contingency Management for Propulsion Systems
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Abhinav Saxena
This paper introduces a novel Prognostics-enhanced Automated Contingency Management (or ACM+P) paradigm based on both current health state (diagnosis) and future health state estimates (prognosis) ...
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Automated Contingency Management for Propulsion Systems
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Abhinav Saxena
Increasing demand for improved reliability and survivability of mission-critical systems is driving the development of health monitoring and Automated Contingency Management (ACM) systems. An ACM ...
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Common Research Model Wingbox Finite Element Models (V12, V14, V15)
A Publication, Structural Efficiency - 11 years, 2 months ago
Shared By: JAMES MOORE
Several semi-span Wingbox structures were developed based on the CRM OML (outer mold line) loft provided by LaRC-SFW and contains combinations of explicitly modeled shell ...
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Improving Multiple Fault Diagnosability using Possible Conflicts
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Matthew Daigle
Multiple fault diagnosis is a difficult problem for dynamic systems. Due to fault masking, compensation, and relative time of fault occurrence, multiple faults can manifest ...
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A Comparison of Filter-based Approaches for Model-based Prognostics
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Matthew Daigle
Model-based prognostics approaches use domain knowledge about a system and its failure modes through the use of physics-based models. Model-based prognosis is generally divided into ...
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Improving Diagnosability of Hybrid Systems through Active Diagnosis
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Matthew Daigle
Fault diagnosis is key to ensuring system safety through fault-adaptive control. This task is diffcult in hybrid systems with combined continuous and discrete behaviors because ...
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An Event-based Approach to Hybrid Systems Diagnosability
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Matthew Daigle
Diagnosability is an important issue in the design of diagnostic systems, because it helps identify whether sufficient information is available to distinguish all the faults. ...
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Dynamical Model of Rocket Propellant Loading with Liquid Hydrogen
A Publication, Prognostics CoE Publications - 11 years, 2 months ago
Shared By: Matthew Daigle
A dynamical model describing the multi-stage process of rocket propellant loading has been developed. It accounts for both the nominal and faulty regimes of cryogenic ...