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Removing Spikes While Preserving Data and Noise using Wavelet Filter Banks
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
Many diagnostic datasets suffer from the adverse effects of spikes that are embedded in data and noise. For example, this is true for electrical power ...
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New Sensing Application to Diagnose Power Semiconductor Aging in Actuator Power Drive Systems
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
This paper presents a new sensing application to diagnose power semiconductor aging in power drive systems. It has been shown previously that device parasitic characteristics ...
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Estimation of Faults in DC Electrical Power System
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
This paper demonstrates a novel optimizationbased approach to estimating fault states in a DC power system. The model includes faults changing the circuit topology along ...
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Inverse Modeling Using a Wireless Sensor Network (WSN) for Personalized Daylight Harvesting
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
Smart lighting systems in low energy commercial buildings can be expensive to implement and commission. Studies have also shown that only 50% of these systems ...
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A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
This paper presents a formal computational methodology to explain how the oxide in semiconductors degrades over time and the dependence of oxide degradation on voltage ...
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Diagnosing Faults in Electrical Power Systems of Spacecraft and Aircraft
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
Electrical power systems play a critical role in spacecraft and aircraft, and they exhibit a rich variety of failure modes. This paper discusses electrical power ...
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Empirical Evaluation of Diagnostic Algorithm Performance Using a Generic Framework
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
A variety of rule-based, model-based and datadriven techniques have been proposed for detection and isolation of faults in physical systems. However, there have been few ...
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A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
One of the most prominent technical challenges to effective deployment of health management systems is the vast difference in user objectives with respect to engineering ...
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Pilot Study of a Plug Load Management System: Preparing for Sustainability Base
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
NASA Ames Research Center’s Sustainability Base is a new 50,000 sq. ft. high-performance office building targeting a LEED Platinum rating. Plug loads are expected to ...
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Application of Inductive Monitoring System to Plug Load Anomaly Detection
A Publication, Prognostics CoE Publications - 10 years, 4 months ago
Shared By: SCOTT POLL
NASA Ames Research Center’s Sustainability Base is a new 50,000 sq. ft. LEED Platinum office building. Plug loads are expected to account for a significant ...
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