Keyword: Parts

Briefs: Semiconductors & ICs

Four application specific integrated circuits (ASICs) that provide sensing, actuation, and power conversion capabilities for distributed control in a high-temperature (over 200...

Briefs: Manufacturing & Prototyping

Prototypes have been developed of potential hermetic sample sealing techniques for encapsulating samples in a ≈1-cm-diameter thin-walled sample tube that are compatible with IMSAH...

Briefs: Mechanical & Fluid Systems
Electric Machine With Boosted Inductance to Stabilize Current Control

High-powered motors typically have very low resistance and inductance (R and L) in their windings. This makes the pulse-width modulated (PWM) control of the current very difficult, especially when the bus voltage (V) is high. These R and L values are dictated by the motor...

Application Briefs: Manufacturing & Prototyping

At the GF6 six-speed, front-wheel transmission line at General Motors Powertrain in Toledo, OH, a new front-wheel-drive transmission line for smaller, more fuel-efficient...

Briefs: Sensors/Data Acquisition
Cryogenic Liquid Sample Acquisition System for Remote Space Applications

There is a need to acquire autonomously cryogenic hydrocarbon liquid sample from remote planetary locations such as the lakes of Titan for instruments such as mass spectrometers. There are several problems that had to be solved relative to collecting the right amount of...

Briefs: Sensors/Data Acquisition
Integrating a Microwave Radiometer into Radar Hardware for Simultaneous Data Collection Between the Instruments

The conventional method for integrating a radiometer into radar hardware is to share the RF front end between the instruments, and to have separate IF receivers that take data at separate times. Alternatively, the radar and radiometer...

Briefs: Physical Sciences
High-Speed Data Recorder for Space, Geodesy, and Other High-Speed Recording Applications

A high-speed data recorder and replay equipment has been developed for reliable high-data-rate recording to disk media. It solves problems with slow or faulty disks, multiple disk insertions, high-altitude operation, reliable performance using COTS hardware,...

Briefs: Manufacturing & Prototyping
Fabrication Method for LOBSTER-Eye Optics in Silicon

Soft x-ray optics can use narrow slots to direct x-rays into a desirable pattern on a focal plane. While square-pack, square-pore, slumped optics exist for this purpose, they are costly. Silicon (Si) is being examined as a possible low-cost replacement. A fabrication method was developed for...

Briefs: Mechanical & Fluid Systems
Magnetostrictive Alternator

This innovation replaces the linear alternator presently used in Stirling engines with a continuous-gradient, impedance-matched, oscillating magnetostrictive transducer that eliminates all moving parts via compression, maintains high efficiency, costs less to manufacture, reduces mass, and eliminates the need for a...

Briefs: Robotics, Automation & Control

High-precision encoders are used by earth observation instruments and in mechanisms for laser communication terminals (LCTs). A micro-radian resolution encoder for the LCT was designed for...

Application Briefs: Robotics, Automation & Control

As part of a NASA test course challenge, Teledyne DALSA engineered a winning Miniature Autonomous Roving Vehicle (MARV), earning the company a $350M contract with NASA’s Marshall...

Articles: Sensors/Data Acquisition
Power Fingerprinting Monitor: Protecting Critical Infrastructure from Cyber Attack Carlos R. Aguayo Gonzalez, Jeffrey H. Reed, and Steven Chen
Power Fingerprinting,...
Articles: Robotics, Automation & Control
Fuel Flexible, Ultra-Portable Microturbine Generator Erik Herold, Jason Ethier, and Ivan Wang
Dynamo Micropower,
Boston, MA

A large unmet need in the oil...

Briefs: Software
LEGEND, a LEO-to-GEO Environment Debris Model

LEGEND (LEO-to-GEO Environment Debris model) is a three-dimensional orbital debris evolutionary model that is capable of simulating the historical and future debris populations in the near- Earth environment. The historical component in LEGEND adopts a deterministic approach to mimic the known...

Briefs: Electronics & Computers
SpaceCube Version 1.5

SpaceCube 1.5 is a high-performance and low-power system in a compact form factor. It is a hybrid processing system consisting of CPU (central processing unit), FPGA (field-programmable gate array), and DSP (digital signal processor) processing elements. The primary processing engine is the Virtex-5 FX100T FPGA, which has...

Briefs: Mechanical & Fluid Systems

This invention is a new approach to designing foil bearings to increase their load capacity and improve their reliability through passive thermal management....

Briefs: Physical Sciences

SweepSAR, a novel radar architecture that depends on a DBF (digital beamforming) array, requires calibration accuracies that are order(s) of magnitude...

Briefs: Physical Sciences

Testing of victim detection radars has traditionally used human subjects who volunteer to be buried in, or climb into a space within, a rubble pile. This is not only uncomfortable, but can be...

Briefs: Electronics & Computers
High-Speed, High-Resolution Time-to-Digital Conversion

This innovation is a series of time-tag pulses from a photomultiplier tube, featuring short time interval between pulses (e.g., 2.5 ns). Using the previous art, dead time between pulses is too long, or too much hardware is required, including a very-high-speed demultiplexer. A faster method...

Briefs: Manufacturing & Prototyping
Ultrasonic Low-Friction Containment Plate for Thermal and Ultrasonic Stir Weld Processes

The thermal stir welding (TSW) process is finding applications in fabrication of space vehicles. In this process, workpieces to be joined by TSW are drawn, by heavy forces, between “containment plates,” past the TSW tool that then causes joining of the...

Briefs: Mechanical & Fluid Systems
Very-Low-Cost, Rugged Vacuum System

NASA, DoD, DHS, and commercial industry have a need for miniaturized, rugged, low-cost vacuum systems. Recent advances in sensor technology have led to the development of very small mass spectrometer detectors as well as other miniature analytical instruments. However, the vacuum systems to support these...

Briefs: Mechanical & Fluid Systems
Mechanism for Deploying a Long, Thin-Film Antenna From a Rover

Observations with radio telescopes address key problems in cosmology, astrobiology, heliophysics, and planetary science including the first light in the Universe (Cosmic Dawn), magnetic fields of extrasolar planets, particle acceleration mechanisms, and the lunar ionosphere. The Moon...

Briefs: Software

G-CAT is a covariance analysis tool that enables fast and accurate computation of error ellipses for descent, landing, ascent, and rendezvous scenarios, and...

Articles: Aerospace

Long-duration spaceflight poses many hazards to the health of a space exploration crew, including physiological deconditioning of the musculoskeletal and cardiovascular systems due to...

Briefs: Mechanical & Fluid Systems
Conical Seat Shut- Off Valve

A moveable valve for controlling flow of a pressurized working fluid was designed. This valve consists of a hollow, moveable floating piston pressed against a stationary solid seat, and can use the working fluid to seal the valve. This open/closed, novel valve is able to use metal-to-metal seats, without requiring...

Briefs: Mechanical & Fluid Systems
Flexible Mechanical Conveyors for Regolith Extraction and Transport

A report describes flexible mechanical conveying systems for transporting fine cohesive regolith under microgravity and vacuum conditions. They are totally enclosed, virtually dust-free, and can include enough flexibility in the conveying path to enable an expanded range of...

Briefs: Electronics & Computers
Remote Memory Access Protocol Target Node Intellectual Property

The MagnetoSpheric Multiscale (MMS) mission had a requirement to use the Remote Memory Access Protocol (RMAP) over its SpaceWire network. At the time, no known intellectual property (IP) cores were available for purchase. Additionally, MMS preferred to implement the RMAP...

Briefs: Materials
Microgravity Storage Vessels and Conveying-Line Feeders for Cohesive Regolith

Under microgravity, the usual methods of placing granular solids into, or extracting them from, containers or storage vessels will not function. Alternative methods are required to provide a motive force to move the material. New configurations for microgravity...

Briefs: Materials

In a previous disclosure, the use of 60-NiTiNOL, an ordered intermetallic compound composed of 60 weight percent nickel and 40 weight percent titanium, was investigated as a material for advanced...