Stories
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Briefs: Sensors/Data Acquisition
DARPA’s Mind’s Eye Program aims to develop a smart camera surveillance system that can autonomously monitor a scene and report back human-readable text descriptions of...
Briefs: Sensors/Data Acquisition
Kepler Community Data Analysis Tools
A series of scripts stitch together existing open-source Python modules for the purpose of displaying, cleaning, and measuring photometric properties within public Kepler data. The intent of these tools is to provide convenience to the Kepler science community, and to increase cost efficiency for the project....
Briefs: Imaging
NGDCS Linux Application for Imaging-Spectrometer Data Acquisition and Display
A simple method of controlling recording and display of imaging spectrometer data in (airborne) flight was needed. Existing commercial packages were overly complicated, and sometimes difficult to operate in a bouncing plane. The software also was required to keep up with...
Briefs: Software
Multivariate Time Series Search Capability to Identify Complex Patterns in Large Datasets
There exist many datasets that can be viewed as multivariate time series, such as the daily high temperature at a locality, sensor recordings in diagnostic systems and scientific data, and music and video recordings. These time series reside in large...
Briefs: Test & Measurement
JWST IV&V Simulation and Test (JIST) RT Logic T501 Emulator
In order to develop a software-only test environment for the James Webb Space Telescope (JWST) mission, a solution was needed to send commands and receive telemetry between the TCTS (Telemetry and Command Test Set) and CMM-S card. The as-is solution requires the utilization of commercial...
Products: Test & Measurement
Keithley Instruments, Cleveland, OH, introduced the Model 2460 SourceMeter® Source Measure Unit (SMU) instrument with a capacitive touchscreen graphical user interface. It offers power sourcing up to 105V, 7A DC/7A...
Products: Electronics & Computers
ZMDI, Dresden, Germany, released the ZSPM2000 configurable digital PWM controller with integrated MOSFET driver for smart digital point-of-load (POL) solutions. The controller operates as a synchronous step-down converter in...
Products: Software
Luxion, Irvine, CA, released KeyShot® 5.1 real-time ray tracing and global illumination software for rendering and lighting of models and assemblies. New features include procedural textures and options, SØrensen Leather...
Briefs: Software
Unit Conversion Macro for TecPlot Solutions for CFD
The invention is a TecPlot macro, which is a computer program in the TecPlot programming language that processes CFD (computational fluid dynamics) solutions in TecPlot format. The TecPlot data is in SI units (International System of Units) [same as CFD solutions]. This invention converts the SI...
Briefs: Software
Multi-User Investigation Organizer
InvestigationOrganizer (IO) is a Web-based information system that integrates the generic functionality of a database, a document repository, a semantic hyper-media browser, and a rule-based inference system with specialized modeling and visualization functionality to support mishap investigations. The semantic...
Briefs: Aerospace
Mars Science Laboratory Second-Chance Flight Software
Mars lander spacecraft, beginning with Mars Pathfinder (MPF), have been designed to tolerate flight computer resets during the entry, descent, and landing (EDL) phase despite having only a single flight computer. This capability was enabled by a predictable, non-dynamic EDL architecture. The...
Briefs: Information Technology
Explicit Filtering Leading to Grid-Independent and Discretization-Order-Independent Large Eddy Simulation
To validate simulations, one must trust that they are independent of the numerical aspects. A very promising, relatively new methodology for simulating turbulent flows, called Large Eddy Simulation (LES), has some issues in this respect. The...
Briefs: Software
Explicit Filtering Leading to Grid-Spacing-Independent and Discretization-Order-Independent Large Eddy Simulation Solutions
Numerical simulations for turbulent flows using the most promising methodology, Large Eddy Simulation (LES), are grid-spacing and discretization-order dependent. This means that the solution is not trustworthy and cannot be...
Briefs: Information Technology
Scalable ParaView for Extreme Scale Visualization
Work has been focused on identifying bottlenecks in visualization pipelines that make the visualization and analysis of large datasets in real time difficult to attain. The innovators leveraged ParaView, an open-source visualization application and framework, to provide custom solutions for users of...
Briefs: Software
Frame Synchronization Without Attached Sync Markers
In communications systems, there must be a method to identify the beginning of a message at the receiving end, to know when the data stream of a specified structure begins. This is conventionally done by inserting attached sync markers (ASMs) between codewords, and looking for these ASMs in the...
Briefs: Information Technology
Dynamically Configurable Pipeline
The Dynamically Configurable Pipeline is a concept for the rapid implementation of pipelined computational algorithms in configurable hardware such as field programmable gate arrays (FPGAs). The approach, especially in its phase-coherent incarnation, allows a high level of sharing of floating-point resources among...
Briefs: Software
Non-Binary Protograph-Based LDPC Codes with Near-Capacity Thresholds
Binary protograph codes are state-of-the-art codes over the binary field Galois Field GF(2). These codes were invented by JPL in 2003 and proposed to CCSDS (Consultative Committee for Space Data Systems) recently as a channel-coding standard for space communications. It is...
Briefs: Software
Multicore ROCKSTER
ROCKSTER (Rock Segmentation Through Edge Regrouping) is a rock detection algorithm that analyzes 2D geologic scenes and identifies rocks and other targets of interest. A multicore ROCKSTER enables long-range autonomous rover traverse science to be performed efficiently and to make use of multicore or parallel computing...
Briefs: Information Technology
Habitat Demonstration Unit Core Avionics Software
The Habitat Demonstration Unit Core Avionics Software (HDU-CAS) is designed to provide the required functionality for an engineering prototype of a highly autonomous space habitat element, and to provide an opportunity for new software technologies to be tested in an environment that provides that...
Briefs: Propulsion
Complex pressure systems are utilized during testing in the propulsion branch as well as during the propellant loading stage of a mission. Keeping track of the state of such a system becomes more...
Briefs: Software
Large Computer-Generated Hologram with Software-Generated Calibration Wavefront Map
This technology enables accurate calibration of a large Computer Generated Hologram (CGH) fabricated without great accuracy, such that the CGH still measures an aspheric surface to an excellent accuracy of a couple of nm rms. The goal is the creation of software for...
Briefs: Software
Automated Multibody Response (AMBER)
AMBER is an automated tool for performing transient loads analysis of structural systems composed of one or more flexible bodies. Each body is initially supplied in Craig-Bampton form. Two basic solution approaches are available: traditional system assembly and multibody. The traditional approach is better...
Briefs: Software
Building Blocks for the Rapid Development of Parallel Simulations
Scientists need to be able to quickly develop and run parallel simulations without writing low-level message passing codes using compiled languages such as C/C++/Fortran. Traditionally, high-level languages that support rapid development, such as MATLAB, IDL, Mathematica, and Python,...
Briefs: Information Technology
CryoSim
In the context of systems health management, simulations serve many uses. For one, the underlying physical models can be used by model-based health management tools to develop diagnostic and prognostic models. These simulations should incorporate both nominal and faulty behavior with the ability to inject various faults into the system....
Briefs: Aerospace
ATLAS Collaborative Spacecraft and Mission Software Design Tool
This software conducts preliminary design studies for spacecraft missions. It supports a collaborative work environment that allows multiple engineers to work simultaneously on the same design. When designing a spacecraft or mission, it is important that each engineer has concurrent...
Briefs: Software
Modeling for Partitioned and Multicore Flight Software Systems
The current flight software approach is monolithic in nature. Every module has tentacles that reach deep within dozens of other software modules. Because of these interdependencies between modules, functionality is difficult to extract and reuse for other missions.
Briefs: Information Technology
ACES ToolSuite
The NASA Langley Aeronautics Systems Analysis Branch (ASAB) is heavily involved in research studies to evaluate new and emerging concepts targeted at improving the National Airspace System (NAS). The primary tool used by ASAB to perform these studies is the Airspace Concept Evaluation System (ACES), a medium-fidelity, NAS-wide...
Briefs: Software
PEGASUS 5.2: Automated Pre-Processing of Overset CFD Grids
The Pegasus software is used as a pre-processor for overset-grid computational fluid dynamic (CFD) simulations. The main features of the software include: automated hole cutting algorithms; a projection scheme for fixing small discretization errors in overset surfaces; efficient...
Briefs: Software
Physics-Model-Based Wiring Fault Detection Toolbox for MATLAB
This software provides a toolbox of MATLAB functions for detecting precursor wiring faults, such as chafing, in shielded impedance-controlled cable using measurements from off-the-shelf time domain reflectometry or vector network analyzer hardware. It advances the state-of-the-art in...
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