Briefs: Robotics, Automation & Control
Risk-Aware Mars Rover Operation Tool with Autonomous Terrain Classifier and Path Planner

The greatest single source of risks for Mars rovers is terrain. These risks are currently managed by a labor-intensive process in which rover operators carefully examine the terrain and plan a path to avoid any potential hazards. This poses a challenge,...

This invention relates to the design of optimal shapes of airfoils, such as turbine blades, operating in subsonic flow regimes. An airfoil, such as a propeller blade or a turbine vane or blade...

Briefs: Aerospace
Merging and Spacing Software in the ACES Simulation

Merging and Spacing (M&S) in ACES is a software product written in the Java programming language that adds scheduling and management of flights into and out of an airport for the Airspace Concepts Evaluation System (ACES) simulation. ACES is a systems-level simulation that portrays NAS-wide...

Briefs: Aerospace
Unmanned Aerial Vehicle Integration into the National Airspace System

NASA and other organizations have invested heavily in unmanned aerial vehicle (UAV) research. UAVs can be flown in the National Airspace System (NAS) today, but only with special permission from the Federal Aviation Unmanned Aerial Vehicle Integration into the National...

Briefs: Aerospace
Data Server for Real-Time Display Interface

The purpose of this software is to decouple display and data interface functions by developing a central data server. By using the centralized data server, flight displays can be easily transferred between simulators and research airplanes without having to reprogram flight display graphics. Therefore,...

Briefs: Aerospace
Aircraft Wing Flap Noise-Reducing Fins

Two different modifications have been developed for the edges of aircraft wing flaps to reduce noise. Reactive Orthotropic Lattice Diffuser (ROLD) is a modification that consists of a honeycomb-like, interconnected structure added to the region of the flap that experiences the highest degree of...

Briefs: Aerospace
Direct Multiple Shooting Optimization with Variable Problem Parameters

Solving complex trajectory problems optimally is of vital importance to the success of future aerospace programs. Trajectory optimization research has been divided into two main categories: indirect methods and direct methods. Both methodologies have been tested and...

Briefs: Aerospace
Constructing Composite Response Surfaces for Aircraft

The design of aerodynamic components of aircraft, such as wings or engines, involves a process of obtaining the optimal component shape that can deliver the desired level of component performance, subject to various constraints, e.g., total weight or cost. Aerodynamic design can be formulated...

Briefs: Communications
Mars Relay CubeSat

When NASA and other agencies send landers to Mars and other planets, they rely on existing orbiters to relay the data during the critical entry, descent, and landing (EDL) phase. The current orbiters are aging and there...

Briefs: Communications
Digitally Steered Phased Antenna Array for GPS Applications

GPS signals are sparse and weak at high altitudes above the GPS constellation; this includes GEO and HEO orbit regimes. Spacecraft operating here need a high-sensitivity receiver capable of acquiring and tracking these weak signals throughout their orbits. Most space GPS receivers are...

Briefs: Aerospace
Broadband Circularly Polarized Antenna Array for Mars Rover Direct-to-Earth Communications

Mars rovers and other landers typically use UHF relay to return their science and engineering data to Earth. Direct-To-Earth (DTE) communications are typically used for commanding. If future UHF relay capability becomes diminished, Mars landers may be...

Briefs: Communications
Robust, Low-Density Parity- Check Decoder Design to Mitigate Pulsed Radio Frequency Interference

Low-Density Parity-Check (LDPC) codes are a class of forward error correction (FEC) linear block codes that provide near-capacity performance for power-efficient communications. Optimum decoding requires accurate combining ratio estimation to scale...

Briefs: Information Technology
Ensemble

Success in mission operations relies on achieving consensus amongst a wide variety of personnel with diverse backgrounds and education. Previously, NASA missions relied on disparate tools with a variety of inconsistent interfaces. These tools greatly influence how members of the mission communicate with each other, increasing confusion...

Briefs: Information Technology
Fast Block Transforms on Large Binary Datasets in the Cloud Using Hadoop Streaming

A software framework on top of Hadoop Streaming enables both the processing of binary data in the cloud, and the freedom for the developer to implement his or her mapper and reducer programs in any language, rather than re-implementing existing solutions in Java,...

Briefs: Information Technology
Mars Science Laboratory Frame Manager

One of the highly desired enhancements to the Mars Exploration Rover (MER) and Phoenix flight missions was the centralized coordinate transform database maintained onboard. Without the database, there are quite a few operations that require cumbersome, error-prone manual calculations on the ground such as...

Briefs: Information Technology
SIVO-PyD: A Python Distribution for Scientific Computing Visualization

SIVO-PyD gathers and automatically installs (in various computing platforms) a collection of Python-related packages for scientific computing and visualization. All of the packages in distribution are accessible within the Python framework. The distribution is self-contained...

Briefs: Information Technology
Formal Validation of Model-Based Fault Management Design Solutions

Model-Based System Engineering is becoming widely adopted at JPL and in industry because model-centric systems introduce improved methods of system engineering. As systems with ever-increasing complexity are developed at JPL, model-centric engineering be comes essential for...

Briefs: Information Technology
Development of Free Molecule Flow Equations from a Transient, Asymmetric Source

The analysis and simulation of gases expanding from sources such as rocket nozzles into vacuum, or the effects plumes from these sources create when they interact with solid surfaces, present a considerable challenge to the scientific and engineering communities. As...

Briefs: Software
iPhone App to Facilitate Airborne Radar Operations

The Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) is an Earth imaging radar that flies on a Gulf-Stream Jet. Its mission is to collect data for NASA scientists who are using Synthetic Aperture Radar to develop methods for monitoring changes in the Earth’s surface. As with many...

Briefs: Information Technology
Spherical Empirical Mode Decomposition

The spherical empirical mode decomposition algorithm is an adaptation in the spherical space of the 2D empirical mode decomposition in Euclidian space. This algorithm is a signal analysis method for any spherical data, such as orbital measurements. The two primary advantages of this innovation are the...

Briefs: Software
Database Design for Storing Software Entity Metadata, User Identification, and License Terms

The NASA Space Telecommunications Radio System (STRS) specification cites a plan for an application repository, similar to an “app store,” but with a wide variety of licensing restrictions on access to different applications, and even different parts...

Briefs: Software
Geometry Manipulation Protocol for CFD Applications, V1.0

Geometry Manipulation Protocol (GMP) is a library that serializes data types between XML and ANSI C data structures to support computational fluid dynamics (CFD) applications. This library currently provides a description of geometric configurations, general moving-body scenarios...

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...

Few production arenas are changing as quickly as small parts assembly. The electronics industry, in particular, has seen demand skyrocket past the supply of skilled labor. As conventional...

Space-qualified boards and subsystems
Aitech Defense Systems
Chatsworth, CA
888-248-3248
http://rugged.com/space-products

The Boeing Company...

Application Briefs: Aerospace
CubeSat Launches With 3D-Printed Components
Windform XT 2.0 3D printing material
CRP USA, LLC
Mooresville, NC
704-660-0258
www.crp-usa.net

A team of students from the University of Kentucky and Morehead State...

NASA Technology

Since its founding in 1958, NASA has made profound contributions to aviation, including advancing our understanding of flight mechanics—the study of...

The concept of dense wavelength division multiplexing (DWDM) in fiber optic communication networks gained traction when optical amplifiers became available. Able to amplify an...

CD-adapco, Melville, NY, has released STAR-CCM+® v10.04 simulation software that features a new finite element-based Solid Stress Solver, enabling both computational solid mechanics and computational...

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Will Self-Erasing Chips Catch On?

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