Briefs: Robotics, Automation & Control
Evaluation of Rail Gun Technology for Launch Assist of Air-Breathing Rockets

A prototype horizontal electromagnetic rail launcher has been demonstrated along with a corresponding theory. This system builds out of published work in augmented rail guns, but modifies this technology so that the motor can operate for seconds rather than...

Briefs: Aerospace
Using Harmonics to Control Flutter in Wings with Electrical Motors

As aeronautics engineers develop innovative distributed electric propulsion systems, they face new challenges in ensuring that these innovative aircraft are safe as well as fuel efficient. In particular, these systems involve a large number of electrically driven fan motors...

Briefs: Propulsion
Micropulse Detonation Rocket Engine for Nano-Satellite Propulsion

An efficient propulsion system would use a micropulse detonation rocket engine (–PDRE) for nano-satellite maneuverability in space. Technical objectives are to design, build, and conduct a small detonation tube experiment in order to explore the feasibility of using –PDRE for...

Briefs: Aerospace
Experimental Testbed for 1-MW Turboelectric Distributed Propulsion Aircraft

Researchers at NASA’s Armstrong Flight Research Center are developing a concept aircraft for testing turbo-electric distributed propulsion (TeDP) experiments. TeDP generally involves providing thrust to an aircraft via wing-mounted ducted electric fans, which consist...

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: Medical
Versatile Platform for Nanotechnology Based on Circular Permutations of Chaperonin Protein

The controlled organization of inorganic materials into multi-dimensional addressable arrays is the foundation for logic and memory devices, as well as other nonlinear optical and sensing devices. Many of these devices are currently fabricated using...

Briefs: Medical
Zero-G Condensing Heat Exchanger with Integral Disinfection

A concept for a unique zero-g condensing heat exchanger that has an integral ozone-generating capacity has been conceived. This design will contribute to the control of metabolic water vapor in the air, and also provide disinfection of the resultant condensate, and the disinfection of...

Briefs: Medical
Concurrent O2 Generation and CO2 Control for Advanced Life Support

A life support system generates oxygen in low oxygen and/or hazardous environments such as mining, chemical/biological attacks, nuclear fallout, or space exploration. Based on proven technology, this O2/CO2 control system has the potential to significantly...

Briefs: Medical
Gene Expression Signatures for Colon Carcinogenesis and Radiation-Induced Cellular Transformation

Monitoring colon health and transformation into a diseased tissue, including inflammation and cancer, is difficult using conventional techniques, as individuals are required to undergo invasive procedures. However, by using exfoliated cells, it is...

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...

Briefs: Information Technology
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
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: 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...

Briefs: Information Technology
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
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...

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: Software
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
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
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: Information Technology
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...

Articles: Sensors/Data Acquisition
Products of Tomorrow: February 2015

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial...

Streamlined aircraft bodies, quieter jet engines, techniques for preventing icing, drag-reducing winglets, lightweight composite structures, and so much more are an everyday part of flying...

Articles: Aerospace
NACA Technology: Then and Now

“Be patient, if you want to see the concrete benefits of space research. I am confident that the benefits are there. We at NASA have been given a big job— planning and executing the nation’s civilian space...

At the annual meeting of the Society of Automotive Engineers (SAE) in Detroit on January 14, 1959, NASA’s first Administrator, Dr. T. Keith Glennan, said: “I can imagine a remote future when...

Application Briefs: Imaging
Video Wall Monitors Space Station Science
Clarity™ Matrix LCD Video Wall System
Planar Systems
Beaverton, OR
866-475-2627
www.planar.com

A Clarity Matrix video wall system was installed at NASA’s Payload...

Application Briefs: Electronics & Computers
Power Management System Keeps SpaceCube Flying
UltraCMOS®-based power management card
Peregrine Semiconductor Corp.
San Diego, CA
858-731-9400
www.psemi.com

Selected for NASA Goddard Space Flight...

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...

Products: Software
Digital Controller

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...

Products: Communications
Serial Communication Cards

ACCES I/O Products, San Diego, CA, announced mPCIe-ICM Series PCI Express Mini Card isolated serial communication cards that measure 30 × 51 mm and feature a selection of four or two ports of isolated RS-232...

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