66 datasets found for "97l주식DB퍼미션뜻]텔toadDB+"
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Federal
Prognostics Of Power Mosfets Under Thermal Stress Accelerated Aging Using Data-Driven And Model-Based Methodologies
National Aeronautics and Space Administration —
An approach for predicting remaining useful life of power MOSFETs (metal oxide field effect transistor) devices has been developed. Power MOSFETs are semiconductor... -
Federal
Experimental Data Collection and Modeling for Nominal and Fault Conditions on Electro-Mechanical Actuators
National Aeronautics and Space Administration —
Being relatively new to the field, electromechanical actuators in aerospace applications lack the knowledge base compared to ones accumulated for the other actuator... -
Federal
Precursor Parameter Identification for Insulated Gate Bipolar Transistor (IGBT) Prognostics
National Aeronautics and Space Administration —
Precursor parameters have been identified to enable development of a prognostic approach for insulated gate bipolar transistors (IGBT). The IGBT were subjected to... -
Federal
Physics Based Electrolytic Capacitor Degradation Models for Prognostic Studies under Thermal Overstress
National Aeronautics and Space Administration —
Electrolytic capacitors are used in several applications rang- ing from power supplies on safety critical avionics equipment to power drivers for electro-mechanical... -
Federal
Comparative Analysis of Data-Driven Anomaly Detection Methods
National Aeronautics and Space Administration —
This paper provides a review of three different advanced machine learning algorithms for anomaly detection in continuous data streams from a ground-test firing of a... -
Federal
Battery Health Management System for Electric UAVs
National Aeronautics and Space Administration —
In summary, this paper lays out a novel battery health management technique for application onboard an electric UAV. This technique is also applicable to other... -
Federal
Block-GP: Scalable Gaussian Process Regression for Multimodal Data
National Aeronautics and Space Administration —
Regression problems on massive data sets are ubiquitous in many application domains including the Internet, earth and space sciences, and finances. In many cases,... -
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 in Battery Health Management
National Aeronautics and Space Administration —
Batteries represent complex systems whose internal state vari- ables are either inaccessible to sensors or hard to measure un- der operational conditions. This work... -
Federal
Fault Adaptive Control of Overactuated Systems Using Prognostic Estimation
National Aeronautics and Space Administration —
Most fault adaptive control research addresses the preservation of system stability or functionality in the presence of a specific failure (fault). This paper... -
Federal
Bonissone CIDU Presentation: Design of Local Fuzzy Models
National Aeronautics and Space Administration —
After reviewing key background concepts in fuzzy systems and evolutionary computing, we will focus on the use of local fuzzy models, which are related to both kernel... -
Federal
Distributed Monitoring of the R2 Statistic for Linear Regression
National Aeronautics and Space Administration —
The problem of monitoring a multivariate linear regression model is relevant in studying the evolving relationship between a set of input variables (features) and one... -
Federal
A Systems Engineering Approach to Electro-Mechanical Actuator Diagnostic and Prognostic Development
National Aeronautics and Space Administration —
The authors have formulated a Comprehensive Systems Engineering approach to Electro-Mechanical Actuator (EMA) Prognostics and Health Management (PHM) system... -
Federal
Entropy-based probabilistic fatigue damage prognosis and algorithmic performance comparison
National Aeronautics and Space Administration —
In this paper, a maximum entropy-based general framework for probabilistic fatigue damage prognosis is investigated. The proposed methodology is based on an... -
Federal
Embedding Temporal Constraints for Coordinated Execution in Habitat Automation
National Aeronautics and Space Administration —
Future NASA plans call for long-duration deep space missions with human crews. Because of light-time delay and other considerations, increased autonomy will be... -
Federal
Towards Accelerated Aging Methodologies and Health Management of Power MOSFETs
National Aeronautics and Space Administration —
Understanding aging mechanisms of electronic components is of extreme importance in the aerospace domain where they are part of numerous critical subsystems including... -
Federal
Integrated fatigue damage diagnosis and prognosis under uncertainties
National Aeronautics and Space Administration —
An integrated fatigue damage diagnosis and prognosis framework is proposed in this paper. The proposed methodology integrates a Lamb wave-based damage detection... -
Federal
Empirical Evaluation of Diagnostic Algorithm Performance Using a Generic Framework
National Aeronautics and Space Administration —
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... -
Federal
Characterizing Variability and Multi-Resolution Predictions
National Aeronautics and Space Administration —
In previous papers, we introduced the idea of a Virtual Sensor, which is a mathematical model trained to learn the potentially nonlinear relationships between spectra...
66 datasets found for "97l주식DB퍼미션뜻]텔toadDB+"