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Briefs: Medical
Team Game and Simulation Control
This technology is an offshoot of LaRC-developed technologies using physiological measures for assessing pilot stress, sustained attention, engagement, and awareness in a laboratory flight simulation environment. The technology allows modulation of player inputs to a video game or simulation from a user interface...
Briefs: Medical
CRP Aptamers to Bone-Specific Alkaline Phosphatase (BAP)
In order to detect and quantify bone-specific alkaline phosphatase (BAP) in a human biological sample, a binding agent (molecule) that specifically recognizes BAP in a sample is typically required. This binding agent can then be used in numerous assays/instruments to enable the detection and...
Briefs: Communications
VCSEL Laser Array for Communications
Optical communications in terrestrial and space environments require transmitted signals on the order of 40 GHz and higher, because of the uncertain and changing transmission environments. A robust communications system is needed that will provide these frequencies and substantial discrimination between...
Briefs: Communications
Providing a Real-Time Audible Message to a Pilot
An aircraft pilot would prefer to receive information on weather patterns, obstructions, and other conditions that may interfere with a flight plan, formal or informal, as the pilot’s flight proceeds, with a latency of no more than a few minutes. Learning of, and reacting to, a changing environment...
Briefs: Communications
Pass Plan Formatter (PPF) for Earth Sciences Ground Support System
The TRMM (Tropical Rainfall Measuring Mission) and Terra ESMO (Earth Science Mission Operations) Ground Systems needed a method of passing scheduling data through the Goddard Mission Services Evolution Center (GMSEC) bus to other subsystems without modifying the Planning and...
Briefs: Communications
Integrated Tool Archives, Extracts, and Analyzes Spacecraft Housekeeping Telemetry Data (GMSEC R3.0)
The Integrated Trending and Plotting System (ITPS) is a comprehensive tool for storage, extraction, analysis, and plots of spacecraft housekeeping telemetry data (GMSEC R3.0 — Goddard Mission Services Evolution Center). ITPS reports information to...
Briefs: Communications
Low-Noise Analog APDs with Impact Ionization Engineering and Negative Feedback
Silicon avalanche photodiodes (Si APDs) have low dark current and low excess noise factor, and are currently used in many of NASA’s missions. Noise equivalent power (NEP) of 40 to 50 fW/(Hz)1/2 over 140-MHz bandwidth has been demonstrated for Si APDs. Si APDs have very...
Briefs: Communications
Method to Improve Wireless System Communication Coverage in a Bended Tunnel Environment
The conventional methods of improving wireless system coverage performance are to increase the transmitter power and/or antenna gain. The high transmit power could lead to more power consumption and RF exposure issues. The use of a high-gain antenna could lead...
Briefs: Information Technology
Space Weather Database of Notifications, Knowledge, Information — DONKI
SW DONKI is a comprehensive Web application for space weather forecasters, scientists, and the general space weather community. It serves as an archive for space weather activities including solar flares, coronal mass ejections (CMEs), solar energetic particles, and...
Briefs: Software
Core Flight System (cFS) Software Bus Network Application Version 1.0
The Software Bus Network (SBN) is a plug-in component developed for the Core Flight System (cFS) framework that extends the core Flight Executive (cFE) Software Bus (SB) publish/subscribe messaging service across partitions, processes, processors, and networks. This extension is...
Briefs: Information Technology
STARS Finite Element Multidisciplinary Analysis Computer Program
An efficient, cost-effective, and unique computer program has been developed that analyzes a variety of practical engineering problems. STructural Analysis Routines (STARS) is a fully integrated, multidisciplinary, finite element-based, graphic-oriented analysis tool that combines...
Briefs: Software
Hazards Analysis Management Tool
The Hazard Analysis Management Tool (HAMT) is comprised of a database and user interface that manages hazard analysis information, manages hazard verifications, and manages relationships between hazard attributes and project elements. The tool offers numerous benefits including the ability for multiple users to...
Briefs: Information Technology
Developing Web and Mobile Applications Integrated with Systems Utilizing the Object Management Group’s Data Distribution Service
Several software application development tools exist that enable the rapid development of Web applications. Among other things, Web applications greatly enhance the human-computer interaction (HCI) required by many...
Briefs: Software
Synthetic Imaging Maneuver Optimization — SIMO
Space-based interferometry missions have the potential to revolutionize imaging and astrometry, providing observations of unprecedented accuracy. Realizing the full potential of these interferometers poses several significant technological challenges. These include the efficient maneuvering of...
Briefs: Sensors/Data Acquisition
Gas and Vapor Sensors on Paper
Sensors on paper have been proposed and fabricated to identify gas or vapors (chemicals). Traditional sensors are based on hard substrates such as silicon. Sensors fabricated on paper are cheaper, foldable, flexible, and bio - degradable. Paper electronics is an emerging area. Logic devices, memory, RFID...
Briefs: Sensors/Data Acquisition
Intelligent Flamefinder Detection and Alert System
While NASA facilities already use huge volumes of hydrogen as a propellant/fuel, many other federal and state programs across the country are looking at potentially expanding the use of hydrogen. There are, however, significant challenges associated with hydrogen use. These include a tendency to...
Briefs: Sensors/Data Acquisition
Load-Indicating Sensor for Lines and Cords
During the development of parachute systems, it is desirable to size the lines correctly, and to pack and deploy the parachute in a manner that produces uniform loading among the lines. Analytical methods would greatly reduce the cost of development; however, test verification is essential. This is...
Briefs: Sensors/Data Acquisition
Wide-Input-Range Signal-Conditioning Input Interface for Motor Position Sensing in Extreme Environments
Motor position sensing is a critical application in a number of systems. Galvanically isolated sensors for motor position sensing are strongly favored in both industrial and extreme-environment applications. Two examples of these sensors are...
Briefs: Test & Measurement
Quantitative Analysis of Failure Mode in Adhesively Bonded Test Specimens
After adhesively bonded mechanical test specimens have been tested to failure, the failure mode must be interpreted and quantified. Areas of the adherent that are bare (no residual adhesive remains) have undergone adhesive failure. The remainder of the surface has undergone...
Briefs: Test & Measurement
Energy-Based Acoustic Measurement System for Rocket Noise
Development of the next generation of spaceflight vehicles has prompted a renewed focus on sound source characterization and near-field propagation modeling. Without advancements in these areas, large uncertainties in vibro-acoustic loading estimates on space vehicles and payloads may result...
Briefs: Test & Measurement
Mass Gauging Demonstrator for Any Gravitational Conditions
This concept uses an optical interferometric method to determine the density and/or pressure of the gas state contained with tank ullage. The system is similar to compression tank volume methods. By using an optical interferometric technique to determine gas density and/or pressure, a much...
Briefs: Test & Measurement
This invention provides a lower-cost means for verifying the scanning functionality of an electronically steerable (i.e. phased array) antenna (PAA) compared to existing methods...
Briefs: Test & Measurement
Neutron Spectrometer for Inner Radiation Belt Studies
The Earth’s magnetosphere offers a wealth of information on particle dynamics, acceleration, and trapping. Fast neutrons, produced in the Earth’s atmosphere by the impact of galactic cosmic rays (GCRs) and solar energetic particles (SEPs), are an important but poorly measured component of...
Briefs: Test & Measurement
High-Energy Instrumentation for Small Satellite Platforms
Given the increased availability of small satellite opportunities either through CubeSats or the Air Force’s University Nanosat program, and the limited availability of larger platforms, it is challenging to develop new instrumentation that not only fits within the envelope of small...
Briefs: Test & Measurement
Variable Acceleration Force Calibration System
A variable acceleration calibration system combines an innovative mechanical system and a statistical design of experiments to calibrate multi-axis force transducers. This system can reduce calibration time, allow for improved calibration of large-scale transducers, provide mobility for on-site...
Briefs: Test & Measurement
A Synthetic Quadrature Phase Detector/ Demodulator for Fourier Transform Spectrometers
Fourier transform spectroscopy works by measuring a spectral/light signal through a Michelson interferometer. In order to know the wavelength of the signal, one must use a stable reference, which is typically a metrology laser. In a standard Fourier transform...
Briefs: Test & Measurement
Device for Direct Measurement of the Diffusivity and Molecular Release Through Membranes and Filters
Concentration-driven molecular diffusion is a fundamental phenomenon essential for the transport of nutrients in cells, for oxygen exchange in the lungs, and mating of chemicals in industrial reactors and the food industry. Thus, diffusion plays a...
Briefs: Manufacturing & Prototyping
Increased Alignment in Carbon Nanotube Growth
The combination of electronic and mechanical properties of carbon nanotubes (CNTs) has led to wide-ranging investigation of their potential in future electronics and computing, sensors, electrodes, and composites. A method and system for fabricating an array of two or more CNT structures on a coated...
Briefs: Manufacturing & Prototyping
Process to Fabricate Specific Sized Monodisperse Polystyrene Microparticles
A new method was developed to prepare monodisperse nano to microparticles of polystyrene ranging from 0.5 to 2.5 microns in relatively large-quantity batches (2 L, 10% by weight in water). Current commercial sources are very expensive and can typically only be acquired on a...
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