NASA Tech Briefs’ Information Sciences Web page spotlights new computer software architectures, algorithms, mathematical models, and simulation and analysis tools, as published in NASA Tech Briefs magazine. Many of the Tech Briefs below are correlated to a Technical Support Package (TSP) or White Paper that can be downloaded free of charge.
Jun 2013
Software Method for Computed Tomography Cylinder Data Unwrapping, Re-slicing, and Analysis
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Visualization of the data is possible in one view without having to rotate the volume rendering.
A software method has been developed that is applicable for analyzing cylindrical and partially cylindrical objects inspected using computed tomography (CT). This method involves unwrapping and re-slicing data so that the CT ...Read More >>
Discrete Data Qualification System and Method Comprising Noise Series Fault Detection
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Noise fault detector detects an unreasonably high or low variance or standard deviation.
A Sensor Data Qualification (SDQ) function has been developed that allows the onboard flight computers on NASA’s launch vehicles to determine the validity of sensor data to ensure that critical safety and operational decisions ...Read More >>
Modeling the Behavior of a Polymer Electrolyte Membrane within a Fuel Cell
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Multiphysics software enables accurate membrane modeling in studying physical and electrical behavior of fuel cells.
Scientists have deemed the fuel cell as one of the most promising power sources that can replace the use of fossil fuels as well as satisfy global expectations. The polymer electrolyte membrane fuel ...Read More >>
Semi-Supervised Eigenbasis Novelty Detection
Recent discoveries in high-time-resolution radio astronomy data
have focused attention on a new class of events. Fast transients are
rare pulses of radio frequency energy lasting from microseconds to
seconds that might be produced by a variety of exotic astrophysical
phenomena. For example, X-ray bursts, neutron stars, and active
galactic ...
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Translating MAPGEN to ASPEN for MER
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Faithful translation is achieved from mixed-domain representations into the ASPEN Modeling Language.
This software translates MAPGEN(Europa and APGEN) domains to ASPEN, and the resulting domain can be used to perform planning for the Mars Exploration Rover (MER). In other words, this is a conversion of two distinct ...Read More >>
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May 2013
Video Altimeter and Obstruction Detector for an AircraftMixed Integer Programming and Heuristic Scheduling for Space Communication
Optimization of Turbine Blade Dovetail Geometry
Control Software for Piezo Stepping Actuators
Sequential Probability Ratio Test for Spacecraft Collision Avoidance Maneuver Decisions
Cursor Control Device Test Battery
Apr 2013
Advanced Dispersed Fringe Sensing Algorithm for Coarse Phasing Segmented Mirror TelescopesNeural Network Back-Propagation Algorithm for Sensing Hypergols
Certification-Based Process Analysis
Surface Navigation Using Optimized Waypoints and Particle Swarm Optimization
Smart-Divert Powered Descent Guidance to Avoid the Backshell Landing Dispersion Ellipse
Adaptive Sampling of Spatiotemporal Phenomena With Optimization Criteria
Estimating Foreign-Object- Debris Density From Photogrammetry Data
Building a 2.5D Digital Elevation Model From 2D Imagery
On a Formal Tool for Reasoning About Flight Software Cost Analysis
Mar 2013
Display Provides Pilots with Real-Time Sonic-Boom InformationVectorized Rebinning Algorithm for Fast Data Down-Sampling
Onboard Algorithms for Data Prioritization and Summarization of Aerial Imagery
Remote Data Exploration with the Interactive Data Language (IDL)
Mixture-Tuned, Clutter Matched Filter for Remote Detection of Subpixel Spectral Signals
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