Electrical/​Electronics

Access our comprehensive library of electrical and electronics technical briefs from engineering experts at NASA and major government, university, and commercial laboratories.

Briefs: Electronics & Computers
H2O/NaCl-Based Radio Frequency Power Load

The purpose of the invention was to increase the operational power levels of power loads as well as improve the overall reliability and safety of existing systems. Using water (H2O), table salt (NaCl) or some other form of salt, and a matching network, an RF power load can be built to absorb...

Briefs: Electronics & Computers
Discovery Through Eigenbasis Modeling of Uninteresting Data

When presented with a new data set, a common initial goal is to explore its contents in a discovery mode to find items of interest. However, each user who views the data set may have a different scientific goal in mind, and therefore a different desired prioritization of the items for...

Briefs: Electronics & Computers
Obstacle Avoidance Methods

Obstacle avoidance is a difficult problem due to the non-convex state constraints. Therefore, the feasible state space needs to be convexified, or split, into convex regions at which point the search for an optimal solution among those convex regions is done. Methods for obstacle avoidance include two mixed integer...

Briefs: Information Technology
Bar Code Scanner to Supplement Property Inventory Process

Within NASA Goddard, property inventories outside of the formal inventories had no automated method to perform quick checks of equipment location, especially during periods leading up to a formal inventory. One method that existed simply involved printing out an end-user’s equipment in...

Briefs: Information Technology
Semantic Language and Tools for Reporting Human Factors Incidents

This human factors incident reporting tool for authoring and using human factors incident data combines semantic Web technologies with automated assistive technologies to aid users in finding relationships among incidents. The semantic indexing provided by the use of incident...

Briefs: Information Technology
Control Software for Integrated CW Radar Module

This software controls the behavior of a miniaturized microwave radar module. It controls the hardware, digitizes raw samples from the analog output of the module, and applies DSP (digital signal processing) algorithms to the data stream to reduce the bandwidth and data rate. It also implements an...

Briefs: Software
Furuno Radar/SureTrak Interface Software

The Wallops Flight Facility Launch Range has a need to interface data from ship surveillance Furuno radar to an existing surveillance display system (SureTrak). SureTrak is a multi-sensor waterway and air surveillance system. The display of Furuno radar data by the SureTrak system will be used for risk...

Briefs: Electronics & Computers
An Empirical Metric of Individual Datapoint Utility Given Ample Metadata as Applied to the OCO-2 Flight System

Traditionally, quality flags provided a binary yes/no estimation of a datapoint’s utility. However, in modern instrumentation, significant auxiliary information for each datapoint can be obtained. This permits prediction of more than...

Briefs: Software
Gravitational Compensation Onboard a Comsat

This technique for compensating the gravitational attraction experienced by a test-mass freely floating onboard a satellite is new, and solves an important problem that all gravitational wave missions face. Its application to the geostationary Laser Interferometer Space Antenna (gLISA) mission concept...

Briefs: Electronics & Computers
Open Scheduling and Planning Interface for Exploration (Open SPIFe)

In order to accomplish mission objectives, NASA must be able to plan and sequence assets (spacecraft and astronauts) in a short amount of time. Planning is a complex process that involves reasoning about thousands of constraints and uncertain conditions in order to produce a...

Briefs: Software
AMMOS-PDS Pipeline Service (APPS) — Label Design Tool (LDT)

A software program builds PDS4 science product label (metadata) and automatically generates its description as part of the software interface specification (SIS) document. This software allows the mission system engineer to interact programmatically with the PDS4 information model,...

Briefs: Electronics & Computers
Activity Model Problem Translator

The Problem Translator is a software program that translates functional Unified Modeling Language (fUML) activity models into a behavior-based computational problem representation language called Behavior XML (BXML). The BXML translation may then be solved by engines such as the Behavior and Analysis Engine. The...

Briefs: Electronics & Computers
Ontological System for Context Artifacts and Resources (OSCAR)

Current data systems catalog and link data using a synthetic modeling approach that requires much domain knowledge in order to interact with the system. Domain knowledge includes what keyword to look for and how data artifacts are linked. OSCAR offers a semantic solution to data...

Briefs: Information Technology
SPSCGR

SPSCGR generates a contact graph suitable for use by the ION (Interplanetary Overlay Network) DTN (Delay/Disruption Tolerant Network) implementation from data provided by the JPL SPS (Service Preparation System) Portal. Prior to SPSCGR, there was no way for a mission or other entity to route DTN traffic across the DSN without manually...

Briefs: Information Technology
Retools: Restriping Tools for Lustre

Modern parallel file systems achieve high performance by distributing (“striping”) the contents of a single file across multiple physical disks to overcome single-disk I/O bandwidth limitations. The striping characteristics of a file determine how many disks it will be striped across and how large each...

Briefs: Software
Method and Program Code for Improving Machine Efficiency in the Computation of Nearly-Singular Integrals

Currently, there is a need for the computational handling of near-singularities that arise in many branches of physics, particularly for handling near-strong singularities. An example of such singularities is presented by the case of...

A fiberoptic bus interconnect for spacecraft with multi-Gb/s data rate capacity is designed to provide seamless coordinated control and data exchange at typical intra-spacecraft distances. The...

Briefs: Electronics & Computers
NUMIT2.0

Internal electrostatic discharge (IESD) can cause spacecraft failure and anomalies related to the space environment, but it is very hard to predict when IESD might happen. Therefore, assessment of the IESD at a given space environment and a given dielectric geometry is important for spacecraft reliability.

Briefs: Manufacturing & Prototyping
Reusable Integrated Instrument Control and Computing Platform

ISAAC (Instrument Shared Artifact for Computing) offers adaptability, computation power, I/O bandwidth, digital interface standards, and data processing capability in a single, common, low-mass/power, and small-form-factor platform with significantly reduced, nonrecurring cost and...

Next-generation synthetic aperture radar (SAR) remote sensing platforms utilize new concepts such as the SweepSAR techniques that provide increased swath size,...

Making electrical connections inside a vacuum chamber to a stack of electron and ion optical components using the conventional approach of...

Briefs: Electronics & Computers
Graphene Composite Materials for Supercapacitor Electrodes

In recent years, electrochemical capacitors, or supercapacitors, have gained the most intense interest as an alternative to traditional energy storage devices such as batteries. The demands of the potential supercapacitor applications range from plug-in hybrid electric vehicles (PHEVs)...

Briefs: Electronics & Computers
Integrated, Radiation-Hardened Radio Frequency Digitizer and Signal Processing Electronics

Imaging LiDAR systems such as Goddard’s Reconfigurable Solid-state LiDAR (GRSSLi) must collect and process reflected pulses of light in order to correctly assemble a three-dimensional image of the scene. These pulses of light generally range from 2-5...

DC protection systems such as circuit breakers play a key enabling role for the DC power system in applications such as aviation, the power grid, and the like. Conventional...

Briefs: Electronics & Computers
Modular Propulsion and Deployment Electronics System

The Lunar Reconnaissance Orbiter (LRO) required an innovative and modular approach to the design and development of the electronics needed to control the propulsion and deployment components, as well as the electronics necessary to support safety inhibits for personnel and range requirements....

A new technology delivers temperature hardening in a number of products at the CMOS process level while increasing overall product reliability and longevity. Providing...

Briefs: Electronics & Computers
Stacked Capacitor Special Lead Adapter

The current installation method for tall, stacked capacitors is very cumbersome because the lead form is very sharp and prone to solder cracking due to thermal cycling. An astringent installation process was developed to obtain the best chance of a successful solder joint with a proper heel fillet so the...

Briefs: Electronics & Computers
Nanoscale Vacuum Channel Transistor

This invention presents a nanoscale vacuum tube or vacuum transistor fabricated entirely using current silicon integrated circuit manufacturing techniques. Vacuum is better for electron transport than any semiconductor since there is no electron scattering. In addition, vacuum devices are immune to radiation....

Briefs: Electronics & Computers
NASA Flywheel for iPad

NASA Flywheel is an augmented reality application intended to highlight NASA Glenn’s research efforts in the area of flywheel energy storage systems. The app utilizes a printed optical target, available on the GRC Flywheel Program brochure and through the NASA Glenn Web portal, to present users with 3D views of flywheel...

Webcasts

On-Demand Webinars: Electronics & Computers

Vehicle Electrification

Upcoming Webinars: Sensors/Data Acquisition

The Evolution of SOSA

Upcoming Webinars: Automotive

Next-Gen Vehicle Architectures and the Role of HPCs

Tech Talks: Medical

Testing Home Healthcare Medical Devices

Upcoming Webinars: Software

Accelerating Pre-Silicon Software Development with Next-Gen...

Upcoming Webinars: Software

Balancing Vehicle Comfort and Performance with Simulation-Driven...

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