See All Resources (192)
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Prognostics Design Solutions in Structural Health Monitoring Systems
A Publication, Prognostics CoE Publications - 8 years, 2 months ago
Shared By: Kai Goebel
The chapter describes the application of prognostic techniques to the domain of structural health and demonstrates the efficacy of the methods using fatigue data from ...
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Advances in Uncertainty Representation and Management for Particle Filtering Applied to Prognostics
A Publication, Prognostics CoE Publications - 8 years, 2 months ago
Shared By: Kai Goebel
Particle filters (PF) have been established as the de facto state of the art in failure prognosis. They combine advantages of the rigors of Bayesian ...
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A Publication, Prognostics CoE Publications - 8 years, 2 months ago
Shared By: Kai Goebel
Prognostics has received considerable attention recently as an emerging sub-discipline within SHM. Prognosis is here strictly defined as “predicting the time at which a component ...
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A Combined Model-Based and Data-Driven Prognostic Approach for Aircraft System Life Management
A Publication, Prognostics CoE Publications - 8 years, 2 months ago
Shared By: Kai Goebel
Failure prognosis - as a natural extension to the fault detection and isolation (FDI) problem - has become a key issue in a world where ...
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Prognostic Health-Management System Development for Electromechanical Actuators
A Publication, FLEA - 8 years, 8 months ago
Shared By: EDWARD BALABAN
Electro-mechanical actuators (EMAs) have been gaining increased acceptance as safety-critical actuation devices in the next generation of aircraft and spacecraft. The aerospace manufacturers are not ...
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An Event-based Distributed Diagnosis Framework using Structural Model Decomposition
A Publication, Prognostics CoE Publications - 9 years, 7 months ago
Shared By: Matthew Daigle
Complex engineering systems require efficient on-line fault diagnosis methodologies to improve safety and reduce maintenance costs. Traditionally, diagnosis approaches are centralized, but these solutions do ...
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Distributed Prognostics Based on Structural Model Decomposition
A Publication, Prognostics CoE Publications - 9 years, 7 months ago
Shared By: Matthew Daigle
Within systems health management, prognostics focuses on predicting the remaining useful life of a system. In the model-based prognostics paradigm, physics-based models are constructed that ...
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Energy Analysis of Multi-Function Devices in an Office Environment
A Publication, Sustainability Base - 10 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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Simulation-based Design and Validation of Automated Contingency Management for Propulsion Systems
A Publication, Prognostics CoE Publications - 10 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 - 10 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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Improving Multiple Fault Diagnosability using Possible Conflicts
A Publication, Prognostics CoE Publications - 10 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 - 10 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 - 10 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 - 10 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 - 10 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 ...