Keyword: Technical review

Briefs: Information Technology
ABM Drag_Pass Report Generator

dragREPORT software was developed in parallel with abmREPORT, which is described in the preceding article. Both programs were built on the capabilities created during that process. This tool generates a drag_pass report that summarizes vital information from the MRO aerobreaking drag_pass build process to...

Briefs: Information Technology
Visualization Component of Vehicle Health Decision Support System

The visualization front-end of a Decision Support System (DSS) also includes an analysis engine linked to vehicle telemetry, and a database of learned models for known behaviors. Because the display is graphical rather than text-based, the summarization it provides has a greater...

Briefs: Information Technology
Replacement Sequence of Events Generator

The soeWINDOW program automates the generation of an ITAR (International Traffic in Arms Regulations)- compliant sub-RSOE (Replacement Sequence of Events) by extracting a specified temporal window from an RSOE while maintaining page header information. RSOEs contain a significant amount of information...

Briefs: Manufacturing & Prototyping
Micromachined Slits for Imaging Spectrometers

Slits for imaging spectrometers can now be fabricated to a precision much greater than previously attainable. What makes this possible is a micromachining process that involves the use of microlithographic techniques. This micromachining process supplants a prior machine-shop process.

Briefs: Information Technology
Simulation of Stochastic Processes by Coupled ODE-PDE

A document discusses the emergence of randomness in solutions of coupled, fully deterministic ODE-PDE (ordinary differential equations-partial differential equations) due to failure of the Lipschitz condition as a new phenomenon. It is possible to exploit the special properties of ordinary...

Briefs: Information Technology
Genetic Algorithm Optimizes Q-LAW Control Parameters

A document discusses a multi-objective, genetic algorithm designed to optimize Lyapunov feedback control law (Q-law) parameters in order to efficiently find Pareto- optimal solutions for low-thrust trajectories for electronic propulsion systems. These would be propellant-optimal solutions for...

Briefs: Physical Sciences

The Wing and Rotor Aeroelastic Test System (WRATS) data acquisition system (DAS) is a 64-channel data acquisition display and analysis system specifically designed for use with the WRATS 1/5-scale...

Application Briefs: Imaging

For more than 40 years, Italray srl (Florence, Italy) has manufactured radiological equipment for traditional and digital medical applications, as well as computer-assisted systems...

Application Briefs: Photonics/Optics

Transport networks have witnessed two significant trends over the past half-decade or so. The first has been an explosion in the bandwidth these networks can support and the distances over which...

Briefs: Software
Oxidation Behavior of Carbon Fiber-Reinforced Composites

OXIMAP is a numerical (FEA-based) solution tool capable of calculating the carbon fiber and fiber coating oxidation patterns within any arbitrarily shaped carbon silicon carbide composite structure as a function of time, temperature, and the environmental oxygen partial pressure. The...

Application Briefs: Sensors/Data Acquisition
RTAX-S field-programmable gate arrays (FPGAs) Actel
Mountain View, CA
650-318-4200
www.actel.com

Actel’s RTAX-S field-programmable gate arrays...

Articles: Research Lab

In 2007, we focused on the global climate, and as gas prices soared, more novel technologies emerged in the development of alternative fuel and power sources. Once again, electronics and computers became smaller,...

Articles: Robotics, Automation & Control

Evolutionary rather than revolutionary changes characterize the motion control market. Motors and motor controllers continue to gravitate toward higher performance and...

Articles: Software
By Ed Getty
Research Fellow
Procter & Gamble
Cincinnati, OH

For almost 165 of Procter & Gamble’s 170-year history, nearly all growth came from innovating...

Briefs: Information Technology
Design and Data Management System

The Design and Data Management System (DDMS) was developed to automate the NASA Engineering Order (EO) and Engineering Change Request (ECR) processes at the Propulsion Test Facilities at Stennis Space Center for efficient and effective Configuration Management (CM). Prior to the development of DDMS, the CM...

Briefs: Information Technology
Automated Rocket Propulsion Test Management

The Rocket Propulsion Test-Automated Management System provides a central location for managing activities associated with Rocket Propulsion Test Management Board, National Rocket Propulsion Test Alliance, and the Senior Steering Group business management activities. A set of authorized users, both...

Briefs: Information Technology
Rocket Science 101 Interactive Educational Program

To better educate the public on the basic design of NASA's current mission rockets, Rocket Science 101 software has been developed as an interactive program designed to retain a user's attention and to teach about basic rocket parts. This program also has helped to expand NASA's presence on the...

Briefs: Information Technology
Analysis Method for Quantifying Vehicle Design Goals

A document discusses a method for using Design Structure Matrices (DSM), coupled with high-level tools representing important life-cycle parameters, to comprehensively conceptualize a flight/ground space transportation system design by dealing with such variables as performance, up-front...

Articles: Software

Multiphysics, simulation lifecycle management, unified simulation, and other terms are becoming the new trends in analysis and simulation software. There are new capabilities, new options for...

Application Briefs: Sensors/Data Acquisition
Endevco Corp.
San Juan Capistrano, CA
949-493-8181
www.endevco.com

On August 8, 2007, three Space Shuttle Main Engines (SSMEs) from Pratt &...

Articles: Motion Control

Assembly is a complicated, sometimes tedious process that often unfolds sequentially along a series of stations. In the manufacture of complex equipment such as jet...

Articles: Research Lab
By Mike Santori
National Instruments
Business & Technology Fellow
National Instruments
Austin, TX

High-tech companies live and die by their ability to innovate. Creating new products and...

Articles: Electronics & Computers

Both Serial RapidIO and Ethernet are being used as a backplane interconnect technology in a wide range of embedded applications. Many suppliers support both standards and let designers...

Briefs: Information Technology

Accumulate-repeat- accumulate-accumulate (ARAA) codes have been proposed, inspired by the recently proposed accumulate- repeat-accumulate (ARA) codes. These are error-correcting codes suitable...

Briefs: Physical Sciences
Telescope Formation at L2 for Observing Earth’s Atmosphere

Two documents describe a proposed Earth-atmosphere observatory to orbit the Sun at the Sun-Earth L2 Lagrange point — a point of unstable equilibrium in the shadow of the Earth, about 1.5 million km from the Earth along an outward projection of the Earth-Sun axis. The observatory...

Briefs: Software

A master metadata repository (MMR) software system manages the storage and searching of metadata pertaining to data from national and international satellite sources of the Global...

Application Briefs: Imaging
Presto Imaging Software
Inmagic
Woburn, MA
781-287-6277
www.inmagic.com

With every space shuttle mission, hundreds of individuals across NASA...

Application Briefs: Software
MSC Nastran and MSC Adams Enterprise
Simulation Software
MSC.Software Corp.
Santa Ana, CA
714-540-8900
www.mscsoftware.com...
Briefs: Physical Sciences
Radar Interferometer for Topographic Mapping of Glaciers and Ice Sheets

A report discusses Ka-band (35-GHz) radar for mapping the surface topography of glaciers and ice sheets at high spatial resolution and high vertical accuracy, independent of cloud cover, with a swath-width of 70 km. The system is a single-pass, single-platform...