138 datasets found for "Health"
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Federal
A DISTRIBUTED PROGNOSTIC HEALTH MANAGEMENT ARCHITECTURE
National Aeronautics and Space Administration —
This paper introduces a generic distributed prognostic health management (PHM) architecture with specific application to the electrical power systems domain. Current... -
Federal
Integrating Systems Health Management with Adaptive Controls for a Utility-scale Wind Turbine
National Aeronautics and Space Administration —
Increasing turbine up-time and reducing maintenance costs are key technology drivers for wind turbine operators. Components within wind turbines are subject to... -
Federal
Discovering System Health Anomalies using Data Mining Techniques
National Aeronautics and Space Administration —
We discuss a statistical framework that underlies envelope detection schemes as well as dynamical models based on Hidden Markov Models (HMM) that can encompass both... -
Federal
Exploring the Model Design Space for Battery Health Management
National Aeronautics and Space Administration —
Battery Health Management (BHM) is a core enabling technology for the success and widespread adoption of the emerging electric vehicles of today. Although battery... -
Federal
Ares I-X Ground Diagnostic Prototype
National Aeronautics and Space Administration —
The automation of pre-launch diagnostics for launch vehicles offers three potential benefits: improving safety, reducing cost, and reducing launch delays. The Ares... -
Federal
Discovery of Recurring Anomalies in Text Reports
National Aeronautics and Space Administration —
This paper describes the results of a significant research and development effort conducted at NASA Ames Research Center to develop new text mining algorithms to... -
Federal
Prognostics Design Solutions in Structural Health Monitoring Systems
National Aeronautics and Space Administration —
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... -
Federal
Fault Tolerance, Diagnostics, and Prognostics in Aircraft Flight
National Aeronautics and Space Administration —
Abstract In modern fighter aircraft with statically unstable airframe designs, the flight control system is considered flight critical, i.e. the aircraft will... -
Federal
Classification of Aeronautics System Health and Safety Documents
National Aeronautics and Space Administration —
Most complex aerospace systems have many text reports on safety, maintenance, and associated issues. The Aviation Safety Reporting System (ASRS) spans several decades... -
Federal
Prognostics Health Management and Physics based failure Models for Electrolytic Capacitors
National Aeronautics and Space Administration —
This paper proposes first principles based modeling and prognostics approach for electrolytic capacitors. Electrolytic capacitors and MOSFETs are the two major... -
Federal
Classification of Damage Signatures in Composite Plates using On
National Aeronautics and Space Administration —
Damage characterization through wave propagation and scattering is of considerable interest to many non-destructive evaluation techniques. For fiber-reinforced... -
Federal
A Testbed for Implementing Prognostic Methodologies on Cryogenic Propellant Loading Systems
National Aeronautics and Space Administration —
Prognostics technologies determine the health state of a system and predict its remaining useful life. With this information, operators are able to make maintenance-... -
Federal
Prognostics
National Aeronautics and Space Administration —
Prognostics has received considerable attention recently as an emerging sub-discipline within SHM. Prognosis is here strictly defined as “predicting the time at which... -
Federal
Power Management for A Distributed Wireless Health Management Architecture
National Aeronautics and Space Administration —
Distributed wireless architectures for prognostics is an important enabling step in prognostic research in order to achieve feasible real-time system health... -
Federal
Developing IVHM Requirements for Aerospace Systems
National Aeronautics and Space Administration —
The term Integrated Vehicle Health Management (IVHM) describes a set of capabilities that enable sustainable and safe operation of components and subsystems within... -
Federal
Connecting Microscale And Macroscale Damage Models In A Bayesian Framework for Fatigue Damage Prognostics Of CFRP Composites
National Aeronautics and Space Administration —
Composites offer unique advantages for aerospace structures and are increasingly being adopted into newer designs. However, it is also acknowledged that given current... -
Federal
General Purpose Data-Driven System Monitoring for Space Operations
National Aeronautics and Space Administration —
Modern space propulsion and exploration system designs are becoming increasingly sophisticated and complex. Determining the health state of these systems using... -
Federal
Towards Software Health Management with Bayesian Networks
National Aeronautics and Space Administration —
As software and software intensive systems are becoming increasingly ubiquitous, the impact of failures can be tremendous. In some industries such as aerospace,...
138 datasets found for "Health"