Briefs : Medical
Wet Waste Drying Bag

This invention facilitates collection, storage, concentration, and drying of liquid or mixed liquid/solid waste material. The invention may serve as a portable toilet or may be used to dry biological specimens or concentrate water samples for analysis. It can replace diapers, special plastic bags, and airflow waste disposal...

Briefs : Medical
Combinatorial Multidomain Mesoporous Chips for Fractionation of Biomolecules

A promising strategy of early diagnosis is the detection of biological signatures (molecular biomarkers) from readily available body fluids, such as blood. However, the onset of most human diseases cannot be univocally identified on the basis of a single biomarker....

Briefs : Information Technology
Software Framework for Control and Observation in Distributed Environments (CODE)

CODE is a framework for control and observation in distributed environments. The framework enables the observation of resources (computer systems, storage systems, networks, and so on), services (database servers, application execution, servers, file transfer...

Briefs : Information Technology
Simple RunTime eXecutive (SRTX)

Simple RunTime eXecutive (SRTX) software provides scheduling and publish/subscribe data transfer services. The scheduler allows dynamic allocation of real-time periodic and asynchronous tasks across homogeneous multi core/multiprocessor systems. Most real-time systems assign tasks to specific cores on an a priori...

Briefs : Information Technology
v-Anomica: A Fast Support Vector-Based Novelty Detection Technique

Outlier or anomaly detection refers to the task of identifying abnormal or inconsistent patterns from a dataset. While they may seem to be undesirable entities, identifying them has many potential applications in fraud and intrusion detection, medical research, and...

Briefs : Information Technology
Self-Stabilizing Distributed Clock Synch ronization Protocol for Arbitrary Digraphs

A report describes a self-stabilizing distributed clock synchronization protocol in the absence of faults in the system. It is focused on the distributed clock synchronization of an arbitrary, non-partitioned digraph ranging from fully connected to 1-connected...

Briefs : Information Technology
Precision Navigation Strategies for Primitive Solar-System-Body Sample Return Missions

This project investigated advanced navigation strategies required to approach, perform proximity operations, and return a sample from an asteroid or comet. An optimized navigation strategy for a notional mission to a near-Earth asteroid was developed to serve...

Briefs : Information Technology
Orbit Determination Toolbox 2012a (v5.0)

The Orbit Determination Toolbox (ODTBX) 2012a (v5.0) is an advanced mission simulation and analysis tool used for concept exploration, proposal, early design phase, or rapid design center environments: the emphasis is on flexibility, but it has enough fidelity to produce credible results. ODTBX v5.0...

Briefs : Software
Design and Construction of Protograph-Based LDPC Codes

Writing (recording) to a storage device and reading from it can be considered as a noisy channel. A storage device such as magnetic recoding and optical recording can be modeled as a partial response channel. Partial-response techniques are a special case of precoding technique where the...

Briefs : Software
Spitzer Integrated Resource Planning and Scheduling System (SIRPASS)

This decision support system provides an integrated platform for assessing the quality of Spitzer scheduling options. The application aids in scheduling instrument selection, assigns schedule times to specific observation requests, and generates stored sequence products...

Briefs : Software
Tracking a Scene on Earth from Space Using the Adaptive Cross-Correlation Algorithm

A software program enables a user to track a scene or a spot on Earth from space (such as from the ISS) using an innovative algorithm. This robust and highly accurate software allows a scene to be tracked that can be not only the shifted version of a previous...

Briefs : Information Technology
Automated Scheduling of Personnel to Staff Operations for the Mars Science Laboratory

The task of producing Mars Science Laboratory (MSL) personnel schedules is daunting. Through automation, the labor and number of mistakes made are reduced when compared to the manual process. This software not only allows for common constraints to be expressed,...

Briefs : Information Technology
Area Coverage Path Planning Using Divided Grid-Graphs

Planning area coverage observations is a challenge in an architecture with a framing imager affixed to a bus that can be moved, and a mirror or other device that allows for small, but fast, observation of adjacent areas along the boresight of a telescope. The telescope boresight can slew...

Briefs : Software
Shape Sensing Using Multicore Fiber Optic Cable and Parametric Curve Solutions

Apaper reports a method of converting distributed curvature measurements into a three-dimensional shape by combining elastic rod theory and differential geometry to arrive at a three-dimensional solution of the Frenet-Serret formulas. A new method of calculating the...

Briefs : Software
Encoders and Decoders for the AR4JA LDPC Codes

Low-Density Parity-Check (LDPC) codes are the best error-correcting codes known for a wide variety of communications applications. The AR4JA code family encompasses encoders and decoders for nine error-correcting codes. These include Accumulate, Repeat-by-4, and Jagged Accumulate (AR4JA) codes...

Briefs : Information Technology
Explicitly Filtered Large Eddy Simulation for Prediction of a Conserved Scalar

The prediction of a conserved scalar is important in many fields of study. For example, in modeling of combustion processes, if a conserved scalar exists, the mathematical problem can be greatly simplified. Inert gases transported in mixtures of other gases are also...

Briefs : Information Technology
Dictionary Management System

The Dictionary Management System (DMS) is a Web-based tool to develop and store a project command and telemetry dictionary. The dictionary defines a project’s flight/ground interface. In recent years, dictionaries have become very large, making it hard to maintain traditional methods of flat-file storage and manual...

Briefs : Information Technology
National Vulnerability Database (NVD) Query Tool

Currently, there are no programmatic methods to query the NIST National Vulnerability Database (NVD) without downloading the entire database in XML format, parsing the content, loading the resulting data into a self-hosted database, and then developing an interface for querying the content. This...

Articles : Aerospace
Products of Tomorrow: October 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 aircraft safety, increased accuracy in weather forecasting, and the miniature cameras in our cellphones are just...

Articles : Defense
Modern CMOS Cameras as Replacements for CCD Cameras

Many users of CCD sensors are asking about the advantages of the latest CMOS sensors, particularly if they have been using CCD-based cameras. The two sensor technologies, a comparison of the new CMOS sensors and existing CCD sensors, and tips for when it makes sense to select a new camera with...

Application Briefs : Aerospace
Custom System Rides the Rails at NASA Radar Range
Custom linear guide rails
NB Corporation of America
Hanover Park, IL
1-800-521-2045
www.nbcorporation.com

ADC USA, Inc. (Ithaca, NY) develops and supplies high-precision motion systems and instruments for large government laboratories and corporations around the...

Podcasts
Amy Keith, Environmental Engineer, Marshall Space Flight Center, Huntsville, AL

Environmental engineer Amy Keith and her team developed a low-cost detector of contaminants in plants and surrounding groundwater. The non-destructive technology scans the surface of a leaf for spectral signatures. NASA currently seeks a development partner for the...

NASA Spinoff : Aerospace
Underwater Adhesives Retrofit Pipelines with Advanced Sensors

NASA Technology

B y the time the gas you fill your car with hits the engine, it’s been through quite a journey. Even apart from its transformation from organic matter into fossil fuel over millions of years, the process of bringing petroleum to Earth’s surface, where it...

Products : Aerospace
Product of the Month: October 2015

National Instruments, Austin, TX, has released the PXI-based Wireless Test System (WTS) that combines a PXI vector signal transceiver (VST) and multicore processing technologies to offer a single platform for multi-standard, multi-DUT, and multi-port testing. When used with test sequencing software, such as the...

Application Briefs : Motion Control
Service Robots Use Flat Motors to Provide Reliable, Safe Motion

Unlike industrial robots for manufacturing, service robots come with their own specification requirements aimed specifically at the end user, and the most discriminating user at that — a human being. That’s why designing and manufacturing service robots takes a particular set of...

Application Briefs : Motion Control
Encoders Ensure Position Accuracy of Linear-Torsion Tester

Instron (Norwood, MA) manufactures materials testing equipment and accessories that are used to test samples ranging from components for jet engines to medical syringes. The company’s ElectroPuls systems are used for fatigue testing, which examines the behavior of materials under...

Products : Motion Control
Piezo Drive

The Ensemble QDe™ desktop nanopositioning piezo drive from Aerotech (Pittsburgh, PA) was designed for seamless use with the Ensemble family of drives and controllers. The QDe connects to any Ensemble controller network, enabling coordinated motion between piezo stages and servo axes. The drive is suitable for single- or multi-axis...

Products : Motion Control
Linear Stage

Bell-Everman (Goleta, CA) offers the SLS Light sealed linear stage that keeps contamination such as manufacturing debris, particulate, or liquid contaminants outside of the stage housing. The stage measures 80 x 120 mm, and has maximum dynamic payloads of 15 kg for the direct drive linear motor version and 30 kg for the ball screw...

Products : Motion Control
Position and Angle Measurement

The BML series from Balluff (Florence, KY) offers absolute position and angle measurement for installation or direct integration into drive and positioning systems. The magnetically encoded systems with Permagnet® nonius technology feature IP 67 housing for external installation. As an open kit for integration,...

Question of the Week
Would You Own a Robot Pet?