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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 reduce the mass of the...
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 that...
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: Software
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 among...
Briefs: Communications
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 of...
Briefs: Information Technology
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: Information Technology
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: Aerospace
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: Software
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: Software
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 SI...
Briefs: Motion Control
Spaceborne gimbal systems are typically bulky with large footprints. Such a gimbal system may consist of a forked elevation stage rotating on top of the azimuth motor, and occupy a large...
Briefs: Robotics, Automation & Control
A novel mechanical control system has been proposed for spherical robots to be used as multifunctioning sensor buoys in areas with ambient forces such as winds or currents....
Briefs: Materials
Magnetic Thermometer for High-Resolution 10-mK Scale Thermometry
A thin-film magnetic thermometer with integrated, superconducting quantum interference device (SQUID) readout has been designed for fast, precision temperature measurements in the 10-mK range. The compact magnetic thermometer consists of a miniature DC SQUID susceptometer with a...
Briefs: Materials
This ultrasonic, pulse-echo probe can sustain as high as 250 °C, and uses a piezoelectric transducer to generate and receive the ultrasonic pulses. The...
Briefs: Sensors/Data Acquisition
Low-Weight, Durable, Low-Cost Metal Rubber Sensor System for Ultra-Long-Duration Scientific Balloons
Large axial load forces and extreme temperature ranges are typical for scientific balloon missions. Therefore, a durable, flexible, and thermally stable sensor material is needed. In this innovation, sensors have been designed to be integrated onto...
Briefs: Sensors/Data Acquisition
Low-Power Charged Particle Counter for Space Radiation Monitoring
A miniature, low-power, solid-state detector for ionizing radiation was developed for use in more locations, and requiring less space and lower power than current technology. An accepted way of counting high-energy charged particles common in space radiation is to detect the light...
Briefs: Photonics/Optics
Ground-to-Space Laser Calibration System
The accuracy of spaceborne sensors measuring reflected solar radiance can be affected by multiple factors. First, instruments with complex optics are sensitive to polarization. The response of such instruments is characterized before launch; however, sensitivity to polarization can change on orbit...
Briefs: Test & Measurement
Process-Hardened, Multi-Analyte Sensor for Characterizing Multiple Rocket Plume Constituents in a Test Environment
Stennis Space Center (SSC) is one of three government-operated rocket engine test facilities in the United States and is the primary center for testing and flight-certifying rocket propulsion systems for future space vehicles. Safety...
Briefs: Electronics & Computers
PATTERNS: Panoptic Aspect Time Triggered Ethernet Robust Network Scheduler, Version 1.0
The PATTERNS scheduling tool was created to test the multi-plane concept of a Time Triggered Ethernet (TTE) network. The TTE network interface cards used in the Orion vehicle contain three physical network ports, referred to as planes. Each plane exists to serve...
Briefs: Electronics & Computers
Electromagnetic Waves Transformed from a Coherent to a Quasi-Coherent Nature
The transformation of naturally occurring electromagnetic waves called “chorus” from a coherent nature to a quasi-coherent nature when propagating a distance from its source was demonstrated. The aim of the mission was to study the energizing of electrons by the waves...
Briefs: Electronics & Computers
An Earth-Observing, Frequency-Agile Radar Receiver for RFI Mitigation
The Soil Moisture Active Passive (SMAP) mission will have the first L-band radar/radiometer sensor suite dedicated to global measurements of soil moisture. For the radar sensor, the requirements for achieving high backscatter measurement accuracy from low-Earth orbit present a...
Briefs: Sensors/Data Acquisition
Wireless Electrical Devices Using Floating Electrodes
A wireless, connection-free, open circuit technology can be used for developing electrical devices like sensors that need no physical contact with the properties being measured. At the core of the technology is the SansEC (Sans Electrical Connections) circuit that is damage-resilient and...
Briefs: Aerospace
Web-Enabled and Automatic Ground Processing Infrastructure Servicing the UAVSAR Airborne Missions
The UAVSAR (Uninhabited Aerial Vehicle Synthetic Aperture Radar) ground data processing infrastructure facilitates a wide range of mission operational processes through a centralized database, Web-enabled interfaces, and background automation. By...
Briefs: Manufacturing & Prototyping
Variable-Sweep-Wing Aircraft Configuration
Efficient aircraft designs are increasingly desired in order to support the continued growth of the air transportation industry. Continued expansion of this vital mode of transportation is threatened due to concerns over ever-increasing emissions, noise, and the demand for fuel. Current airport runway,...
Briefs: Aerospace
Automated Table Lookup Solution Algorithm of the Optimal Powered Descent Guidance for Planetary Landing
A novel automated table lookup method is developed to compute the near-fuel-optimal powered descent guidance trajectories, in real-time, for planetary soft landing. The main advantage of this algorithm is that it can be executed autonomously in...
Briefs: Imaging
The Integrated Intelligent Flight Deck (IIFD) project, part of NASA’s Aviation Safety Program (AvSP), comprises a multi-disciplinary research effort to develop flight...
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