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Federal
HIRENASD FEM wing only HEX20
National Aeronautics and Space Administration —
The finite element model being used by the AePW is based on the model provided at HIRENASD website The NASTRAN FEM's using HEXA solid elements and identified as... -
Federal
Decadal Variations in NDVI and Food Production in India
National Aeronautics and Space Administration —
In this study we use long-term satellite, climate, and crop observations to document the spatial distribution of the recent stagnation in food grain production... -
Federal
MKAD (Open Sourced Code)
National Aeronautics and Space Administration —
The Multiple Kernel Anomaly Detection (MKAD) algorithm is designed for anomaly detection over a set of files. It combines multiple kernels into a single optimization... -
Federal
Accelerated Aging in Electrolytic Capacitors for Prognostics
National Aeronautics and Space Administration —
The focus of this work is the analysis of different degradation phenomena based on thermal overstress and electrical overstress accelerated aging systems and the use... -
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
MULTI-TEMPORAL REMOTE SENSING IMAGE CLASSIFICATION - A MULTI-VIEW APPROACH
National Aeronautics and Space Administration —
MULTI-TEMPORAL REMOTE SENSING IMAGE CLASSIFICATION - A MULTI-VIEW APPROACH VARUN CHANDOLA AND RANGA RAJU VATSAVAI Abstract. Multispectral remote sensing images have... -
Federal
On Applying the Prognostic Performance Metrics
National Aeronautics and Space Administration —
Prognostics performance evaluation has gained significant attention in the past few years. *As prognostics technology matures and more sophisticated methods for... -
Federal
Single reusable spacecraft
National Aeronautics and Space Administration —
Design of a my single person reusable spacecraft. It can carry one person and it has to be dropped from an aircraft at an altitude of 40,000 - 45,000 feet. Can be the... -
Federal
HIRENASD Experimental Data, Magnitude & Phase of Oscillatory Cp/displacement
National Aeronautics and Space Administration —
OUTDATED information. This data was replaced April 2012. The originally posted HIRENASD reduced data contained numerous errors. Tecplot (ascii) and matlab files of... -
Federal
Anomaly Detection from ASRS Databases of Textual Reports
National Aeronautics and Space Administration —
Our primary goal is to automatically analyze textual reports from the Aviation Safety Reporting System (ASRS) database to detect/discover the anomaly categories... -
Federal
A Modeling Framework for Prognostic Decision Making and its Application to UAV Mission Planning
National Aeronautics and Space Administration —
The goal of prognostic decision making (PDM) is to utilize information on anticipated system health changes in selecting future actions. One of the key challenges in... -
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
KEYWORD SEARCH IN TEXT CUBE: FINDING TOP-K RELEVANT CELLS
National Aeronautics and Space Administration —
KEYWORD SEARCH IN TEXT CUBE: FINDING TOP-K RELEVANT CELLS BOLIN DING, YINTAO YU, BO ZHAO, CINDY XIDE LIN, JIAWEI HAN, AND CHENGXIANG ZHAI Abstract. We study the... -
Federal
A Model-based Prognostics Approach Applied to Pneumatic Valves
National Aeronautics and Space Administration —
Within the area of systems health management, the task of prognostics centers on predicting when components will fail. Model-based prognostics exploits domain... -
Federal
Inductive Monitoring System (IMS)
National Aeronautics and Space Administration —
IMS: Inductive Monitoring System The Inductive Monitoring System (IMS) is a tool that uses a data mining technique called clustering to extract models of normal... -
Federal
Energy Analysis of Multi-Function Devices in an Office Environment
National Aeronautics and Space Administration —
As part of an effort to monitor electricity usage by plug loads in a new high performance office building, plug load management devices were deployed to enable data... -
Federal
Real System Failures
National Aeronautics and Space Administration —
This resource area contains descriptions of actual electronic systems failure scenarios with an emphasis on the diversity of failure modes and effects that can befall... -
Federal
Integrated Building Health Management
National Aeronautics and Space Administration —
Abstract: Building health management is an important part in running an efficient and cost-effective building. Many problems in a building’s system can go undetected... -
Federal
Probabilistic Fault Diagnosis in Electrical Power Systems
National Aeronautics and Space Administration —
Electrical power systems play a critical role in spacecraft and aircraft. This paper discusses our development of a diagnostic capability for an electrical power...