Electronics & Software

Software

Topics:

Find the latest advancements in the software used in simulation software, CAD, CAM, CAE, and mathematical and scientific software. Access technical and application briefs from NASA and other major research labs.

Briefs: Software
Program for International-Temperature-Scale Calculations

A computer program implements several aspects of the International Temperature Scale of 1990 (ITS90).

Briefs: Software
Updated Global Atmospheric Reference Model Computer Programs

The 1999 version of the NASA/Marshall Space Flight Center Global Reference Atmospheric Model (GRAM-99) and version 3.8 of the Mars Global Reference Atmospheric Model (Mars- GRAM) are the latest in two series of computer programs for calculating selected physical properties of the...

Briefs: Software
Gyroscope Automated Testbed

The Gyroscope Automated Testbed (GAT) is a fully automated inertial device characterization testbed. Rotational response parameterization and shortterm noise stability analysis are the fundamental principles behind the system. Complete response characterization, bias stability, sensitivity, and range are supported...

Briefs: Software
Program Injects Random Faults for Testing Computers

JIFI (Jet Propulsion Laboratory's Implementation of a Fault Injector) is a computer program for studying the ability of a computer to tolerate, detect, and/or recover from faults (that is, bit errors). JIFI affords the capability to inject faults into user-specified central- processing-unit...

Briefs: Software
KPP — a Preprocessor for VHDL

KPP is a computer program that serves as a preprocessor for VHDL code. [“VHDL” signifies VHSIC Hardware Description Language, which is a language used by the United States Department of Defense for describing, designing, and simulating very-high-speed integrated circuits (VHSICs).] KPP is based on, and similar...

Briefs: Software
Software for Analyzing Valve-Actuator

A computer program assists engineers in analyzing data on the performances of actuators of fuel and oxidizer valves in the main engines of the space shuttle. The program could be adapted to similar use in other settings in which, as in the space shuttle, valve actuators are instrumented to provide data on...

Briefs: Software
Software for Network Processing of

The Electronic Portable Information Collection (EPIC) computer program is a computer system that processes work authorization documents (WADs). The EPIC System, which is also known as the Portable Data Collection System, comprises a central data server and portable data terminals. The central data server acts...

Briefs: Motion Control
Software for Geometric Calibration of Video Cameras

A software library and set of programs largely automate the geometric calibration of video cameras. Developed especially for robotic vision systems, this software generates the information needed to determine the three-dimensional (3D) positions of objects that appear in two- dimensional (2D)...

Briefs: Software
Software for Parallel Computation of 3D Thermal Convection

A computer program solves the differential equations of three-dimensional (3D) thermal convection of an incompressible fluid by use of a parallel-processing, finite volume numerical scheme. The equations of conservation of momentum, and energy are integrated over macroscopic...

Briefs: Software
Fourth-Generation Software for SEU Testing

RBK4 is a computer program for testing electronic components for susceptibility to single-event upsets (SEUs). RBK4 controls the computer on which it is executed to communicate with both the board holding the device under test (DUT), a power supply, and other laboratory instruments including...

Briefs: Software
Software for Processing Serial Cross Sections Into 3D Images

The Reconstruction of Serial Sections (ROSS) computer program processes data from a series of tomograms to generate a three-dimensional (3D) representation of an object, and further processes data from the 3D representation to enable the viewing of any part of the object from any of an...

Briefs: Software
Software for Displaying and Comparing Wind-Tunnel Data

DARWIN is a computer program that provides access, via the Internet, to geographically dispersed NASA computer archives of both meta-data and raw test data from wind tunnels and raw simulation data from computational fluid dynamics (CFD) sites. DARWIN facilitates the manipulation and...

Briefs: Software
Software for Ground Operations for a Prototype Mars Rover

A software system has been developed for use in Earth operations centers communicating with a robotic exploratory vehicle (rover) on Mars. The software was designed for and field-tested on the Field Integrated Design and Operations rover — a prototype similar to rovers of the...

Briefs: Software
Software Processes SRTM ScanSAR Data Into Topographical Maps

A computer program automatically generates topographical maps from data collected by scan-mode synthetic-aperture radar (scanSAR) during the Shuttle Radar Topography Mission (SRTM). A preprocessing subprogram subdivides the SAR data, along with ancillary spacecraft-motion,...

Briefs: Software
Algorithm for Autonomous Visual Discovery

An algorithm that can discover potentially interesting objects in image data has been formulated and implemented in software. The algorithm is intended for applications in which the target objects are mathematically ill-defined and/or not known or specified in advance. Potential applications...

Briefs: Software
Computer Program Generates Test Cases

An Automated Test Case Generator computer program generates parameter-based test cases for testing software and hardware systems. Given N parameters — each of which represents a kind of variation for testing — and a finite set of possible values for each parameter, the program generates...

Briefs: Software
Software Manages Documentation in a Large Test Facility

The 3MCS computer program assists an instrumentation engineer in performing the 3 essential functions of design, documentation, and configuration management of measurement and control systems in a large test facility — initially, a propulsion-system test facility at Stennis Space...

Briefs: Software
Software Performs Testing, Monitoring, and Control Functions

The Front End Processor (FEP) Real-Time Embedded Software performs command and data-processing functions for an aeronautical MIL-STD-1553B telemetry link and ground support equipment (GSE) in a spacecraft-equipment-testing environment. The FEP is used in the Test, Control, and...

Briefs: Software
Software for Automated Ortho-Rectification of SAR Images

The Automated SAR Ortho-rectification Software System enables users of synthetic-aperture-radar (SAR) data to form processed images that are free of the distortion caused by the SAR imaging geometry and topography. The software consists of four modules:

Briefs: Software
Software for Concurrent Development of Reusable Software

The YaM computer program provides a conceptual framework (including configuration management) and a set of software tools that support the concurrent development of reusable software by members of a team. YaM favors development of software in modules that can be assembled into packages and...

Briefs: Software
Adaptive Problem Solving for Refining Control Strategy

A computer program implements an adaptive problem-solving (APS) algorithm for real-time development, refinement, and maintenance of the control strategy of an autonomous system that must operate in an environment about which little or no detailed information is available in advance. In the...

Briefs: Software
Advanced Software for Two-Phase Thermohydraulic Systems

Recent improvements in the SINDA/FLUINT computer program have made the program into a highly capable, commercially viable software product for general mathematical modeling of thermohydraulic systems. Versions of SINDA/FLUINT have been described in a number of previous NASA Tech Briefs...

Briefs: Software
Test Automation Software for AI Planning Software

This test automation software reduces the burden of testing artificial-intelligence (AI) planning software written in the Heuristic Scheduling Testbed System (HSTS) [a software architecture for planning and scheduling]. It automates what would otherwise be the labor intensive and...

Briefs: Software
Software for Simulation of 3D, Three-Phase Combusting Flow

A computational fluid dynamics (CFD) code has been developed to enable simulation of spray combustion near the fuel injectors in a liquid-fueled rocket engine. This code reflects the three-dimensional (3D), multiphase nature of the flow field in a rocket engine and is capable of modeling...

Briefs: Software
LabVIEW as Flight Software With VxWorks Operating System

A development effort under way at the time of reporting the information for this article is directed toward producing a version of the LabVIEW data-acquisition software that would be suitable for use as flight software that could be executed in the VxWorks real-time operating system....

Briefs: Software
MPP Port of PVM to a Beowulf Computer System

The latest version of the Parallel Virtual Machine (PVM) computer program, denoted PVM 3.4.3, incorporates a massively-parallel-processor (MPP) software port that enables a user working on a computer outside a Beowulf system (a cluster of personal computers that run the Linux operating system) to...

Briefs: Software
Software for Iterative Optimization of Plans

The Iterative Plan Optimization computer program automatically optimizes plans with respect to preferences expressed by human planners. This program incorporates a generalization of commonly occurring plan-quality metrics to provide a language for expression of preferences. The program...

Briefs: Software
Software for Planning an SAR Antarctic Mapping Mission

The AMM Automated Mission Planner computer program was developed to save time and money by automating much of the planning of the Second RADARSAT Antarctic Mapping Mission (AMM), which was scheduled to take place at the time of writing this article. The planning problem for this and...

Briefs: Software
Computing Diffusion in High-Temperature Coating Layer

COSIM is a computer program that numerically simulates oxidation and diffusion in a metallic coating layer on substrates made of nickel-base alloys. COSIM is primarily useful for analyzing the gradual deterioration and predicting the lifetimes of the protective coating on turbine blades...

Videos