138 datasets found for "Health"
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Federal
A Discussion on Uncertainty Representation and Interpretation in Model-based Prognostics Algorithms based on Kalman Filter Estimation Applied to Prognostics of Electronics Components
National Aeronautics and Space Administration —
This article presented a discussion on uncertainty representation and management for model-based prog- nostics methodologies based on the Bayesian tracking framework... -
Federal
Prognostic Techniques for Capacitor Degradation and Health Monitoring
National Aeronautics and Space Administration —
This paper discusses our initial efforts in constructing physics of failure models for electrolytic capacitors subjected to electrical stressors in DC-DC power... -
Federal
Experimental Validation of a Prognostic Health Management System for Electro-Mechanical Actuators
National Aeronautics and Space Administration —
The work described herein is aimed to advance prognostic health management solutions for electro-mechanical actuators and, thus, increase their reliability and... -
Federal
Distributed Prognostics System Implementation on Wireless Embedded Devices
National Aeronautics and Space Administration —
Distributed prognostics is the next step in the evolution of prognostic methodologies. It is an important enabling technology for the emerging Condition Based... -
Federal
NASA's Integrated Vehicle Health Management Project Plan
National Aeronautics and Space Administration —
Follow the link below to see a current version of NASA's Integrated Vehicle Health Management Project Plan: www.aeronautics.nasa.gov/nra_pdf/ivhm_tech_plan_c1.pdf -
Federal
Experimental and Analytical Development of a Health Management System for Electro-Mechanical Actuators
National Aeronautics and Space Administration —
Expanded deployment of Electro-Mechanical Actuators (EMAs) in critical applications has created much interest in EMA Prognostic Health Management (PHM), a key... -
Federal
A Survey of Metrics for Performance Evaluation of Prognostics
National Aeronautics and Space Administration —
Prognostics is an emerging concept in condition basedmaintenance(CBM)ofcriticalsystems.Alongwith developing the fundamentals of being able to confidently predict... -
Federal
Developing Large-Scale Bayesian Networks by Composition
National Aeronautics and Space Administration —
In this paper, we investigate the use of Bayesian networks to construct large-scale diagnostic systems. In particular, we consider the development of large-scale... -
Federal
Basic Principles - Chapter 6
National Aeronautics and Space Administration —
This chapter described at a very high level some of the considerations that need to be made when designing algorithms for a vehicle health management application. The... -
Federal
Standardizing Research Methods for Prognostics
National Aeronautics and Space Administration —
Prognostics and health management (PHM) is a maturing system engineering discipline. As with most maturing disciplines, PHM does not yet have a universally accepted... -
Federal
A knowledge-based system approach for sensor fault modeling, detection and mitigation
National Aeronautics and Space Administration —
Sensors are vital components for control and advanced health management techniques. However, sensors continue to be considered the weak link in many engineering... -
Federal
Physics based Degradation Modeling and Prognostics of Electrolytic Capacitors under Electrical Overstress Conditions
National Aeronautics and Space Administration —
This paper proposes a physics based degradation modeling and prognostics approach for electrolytic capacitors. Electrolytic capacitors are critical components in... -
Federal
About the Workshop
National Aeronautics and Space Administration —
Summary There is a major thrust worldwide on developing affordable Integrated Vehicle Health Management (IVHM) technologies in aerospace, automotive and other areas.... -
Federal
Tackling Verification and Validation for Prognostics
National Aeronautics and Space Administration —
Verification and validation (V&V) has been identified as a critical phase in fielding systems with Integrated Systems Health Management (ISHM) solutions to ensure... -
Federal
Investigating the Effect of Damage Progression Model Choice on Prognostics Performance
National Aeronautics and Space Administration —
The success of model-based approaches to systems health management depends largely on the quality of the underly- ing models. In model-based prognostics, it is... -
Federal
Distilling the Verification Process for Prognostics Algorithms
National Aeronautics and Space Administration —
The goal of prognostics and health management (PHM) systems is to ensure system safety, and reduce downtime and maintenance costs. It is important that a PHM system... -
Federal
A Model-based Avionic Prognostic Reasoner (MAPR)
National Aeronautics and Space Administration —
The Model-based Avionic Prognostic Reasoner (MAPR) presented in this paper is an innovative solution for non-intrusively monitoring the state of health (SoH) and... -
Federal
Requirements Flowdown for Prognostics and Health Management
National Aeronautics and Space Administration —
Prognostics and Health Management (PHM) principles have considerable promise to change the game of lifecycle cost of engineering systems at high safety levels by... -
Federal
Prognostics for Ground Support Systems: Case Study on Pneumatic Valves
National Aeronautics and Space Administration —
Prognostics technologies determine the health (or damage) state of a component or sub- system, and make end of life (EOL) and remaining useful life (RUL) predictions.... -
Federal
Estimation and Bias Correction of Aerosol Abundance using Data-driven Machine Learning and Remote Sensing
National Aeronautics and Space Administration —
Abstract—Air quality information is increasingly becoming a public health concern, since some of the aerosol particles pose harmful effects to peoples health. One...
138 datasets found for "Health"