See All Resources (468)
-
A Publication, Prognostics CoE Publications - 11 years, 2 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 ...
-
Diagnosing Faults in Electrical Power Systems of Spacecraft and Aircraft
A Publication, Prognostics CoE Publications - 11 years, 2 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 ...
-
Empirical Evaluation of Diagnostic Algorithm Performance Using a Generic Framework
A Publication, Prognostics CoE Publications - 11 years, 2 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 ...
-
A Publication, Prognostics CoE Publications - 11 years, 2 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 ...
-
A Publication, Jose Celaya Galvan's Collection - 11 years, 3 months ago
Shared By: Jose Celaya Galvan
An approach for predicting remaining useful life of power MOSFETs (metal oxide field effect transistor) devices has been developed. Power MOSFETs are semiconductor switching devices ...
-
Pilot Study of a Plug Load Management System: Preparing for Sustainability Base
A Publication, Prognostics CoE Publications - 11 years, 3 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 ...
-
Application of Inductive Monitoring System to Plug Load Anomaly Detection
A Publication, Prognostics CoE Publications - 11 years, 3 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 ...
-
Knowledge-Based System to Support Plug Load Management
A Publication, Prognostics CoE Publications - 11 years, 3 months ago
Shared By: SCOTT POLL
Electrical plug loads comprise an increasingly larger share of building energy consumption as improvements have been made to Heating, Ventilation, and Air Conditioning (HVAC) and ...
-
A Framework for Systematic Benchmarking of Monitoring and Diagnostic Systems
A Publication, Prognostics CoE Publications - 11 years, 3 months ago
Shared By: SCOTT POLL
In this paper, we present an architecture and a formal framework to be used for systematic benchmarking of monitoring and diagnostic systems and for producing ...
-
Prognostics Approach For Power Mosfet Under Thermal-Stress Aging
A Publication, Jose Celaya Galvan's Collection - 11 years, 3 months ago
Shared By: Jose Celaya Galvan
The prognostic technique for a power MOSFET presented in this paper is based on accelerated aging of MOSFET IRF520Npbf in a TO-220 package. The methodology ...
-
A Publication, Jose Celaya Galvan's Collection - 11 years, 3 months ago
Shared By: Jose Celaya Galvan
A remaining useful life prediction methodology for electrolytic capacitors is presented. This methodology is based on the Kalman filter framework and an empirical degradation model. ...
-
A Publication, Jose Celaya Galvan's Collection - 11 years, 3 months ago
Shared By: Jose Celaya Galvan
This paper presents a model-driven methodology for predict- ing the remaining useful life of electrolytic capacitors. This methodology adopts a Kalman filter approach in conjunction ...
-
A Publication, Abhinav Saxena's Collection - 11 years, 3 months ago
Shared By: Abhinav Saxena
Composites offer unique advantages for aerospace structures and are increasingly being adopted into newer designs. However, it is also acknowledged that given current understanding of ...
-
Developing IVHM Requirements for Aerospace Systems
A Publication, Abhinav Saxena's Collection - 11 years, 3 months ago
Shared By: Abhinav Saxena
The term Integrated Vehicle Health Management (IVHM) describes a set of capabilities that enable sustainable and safe operation of components and subsystems within aerospace platforms. ...
-
A Publication, Abhinav Saxena's Collection - 11 years, 3 months ago
Shared By: Abhinav Saxena
In this work, a framework for the estimation of the fatigue damage propagation in CFRP composites is proposed. Macro-scale phenomena such as stiffness and strength ...
