Here are innovative solutions for your biggest challenges in Electronics and Software - Power Supplies and Management, Board-Level Electronics, Components and Batteries. You’ll find applications essential to military, aviation, medical and automotive design engineering.

News : Energy
Read the September Issue of Solar & Wind Power

The latest issue of Solar & Wind Power has more new feature articles, application stories, tech briefs, videos, products, technologies available for licensing, and research news - all on the latest advances in renewable energy.

Videos : Energy
Wind Turbine Placement Research Facility

Researchers from California Institute of Technology have been conducting a field tests at an experimental two-acre wind farm in northern Los Angeles County. The farm, known as the Field Laboratory for Optimized Wind Energy (FLOWE), houses 24 10-meter-tall, 1.2-meter-wide vertical-axis wind turbines...

News : Energy
Electronic "Bucket Brigade" Could Boost Solar Cell Voltages

If solar cells could generate higher voltages when sunlight falls on them, they’d produce more electrical power more efficiently. Ferroelectrics - materials with an overall electrical polarization - can develop very high photovoltages under illumination. Berkeley Lab researchers have...

News : Electronics & Computers
MUTE: The Efficient City Car

MUTE, an electric vehicle from the Technische Universitaet Muenchen (TUM), is an agile, sporty two-seater for regional road traffic. Its lithium-ion battery is designed to guarantee a range of at least 100 kilometers. When needed, a zinc-air battery serves as a range extender.

Briefs : Transportation
Hybrid Power Management-Based Vehicle Architecture
Hybrid Power Management (HPM) is the integration of diverse, state-of-the-art power devices in an optimal configuration for space and terrestrial applications. The basic vehicle architecture consists of a primary power source, and possibly other power sources, that provides all power to a common...
News : Energy
Boost for Energy Storage Systems

Batteries could get an upgrade from an Oak Ridge National Laboratory discovery that increases power, energy density, and safety while reducing charge time. The results could also have significance for applications in stationary energy storage systems for solar and wind power, and for smart grids.

News : Energy
Electricity and Carbon Offsets from Hog Waste

A system constructed by Duke University and Duke Energy on a hog finishing facility converts hog waste into electricity and creates carbon offset credits. Google, which invests in carbon offsets to fulfill its own carbon neutrality goals, announced its endorsement of the project this week.

Articles : Energy
Inverter Testing and Certification for Global Markets

Inverters/converters are a key element of most renewable energy systems where the power generated is not suitable to either be used locally or to provide power directly to the electric utility. Many renewable sources such as photovoltaics generate DC power, while some renewable sources such...

Briefs : Information Technology
Finding Every Root of a Broad Class of Real, Continuous Functions in a Given Interval

One of the most pervasive needs within the Deep Space Network (DSN) Metric Prediction Generator (MPG) view period event generation is that of finding solutions to given occurrence conditions. While the general form of an equation expresses equivalence between...

Briefs : Information Technology
Kalman Orbit Optimized Loop Tracking

Under certain conditions of low signal power and/or high noise, there is insufficient signal to noise ratio (SNR) to close tracking loops with individual signals on orbiting Global Navigation Satellite System (GNSS) receivers. In addition, the processing power available from flight computers is not great...

Briefs : Information Technology
Development of Jet Noise Power Spectral Laws

High-quality jet noise spectral data measured at the Aero-Acoustic Propulsion Laboratory (AAPL) at NASA Glenn is used to develop jet noise scaling laws. A FORTRAN algorithm was written that provides detailed spectral prediction of component jet noise at user-specified conditions. The model generates...

Briefs : Information Technology
Graphical Language for Data Processing

A graphical language for processing data allows processing elements to be connected with virtual “wires” that represent data flows between processing modules. The processing of complex data, such as lidar data, requires many different algorithms to be applied. The purpose of this innovation is to...

Briefs : Information Technology
3D Direct Modeling: Removing Bottlenecks in Simulation

Geometry is a critical constituent in almost every simulation: representations must be sufficiently accurate for the given problem, possess the appropriate level of detail for pre-processing, and still be easily manipulated for iterative design modifications and optimization. Geometry...

Briefs : Information Technology
Conceptual Model of Quantities, Units, Dimensions, and Values

JPL collaborated with experts from industry and other organizations to develop a conceptual model of quantities, units, dimensions, and values based on the current work of the ISO 80000 committee revising the International System of Units & Quantities based on the International...

Briefs : Information Technology
The Planning Execution Monitoring Architecture

The Planning Execution Monitoring (PEM) architecture is a design concept for developing autonomous cockpit command and control software. The PEM architecture is designed to reduce the operations costs in the space transportation system through the use of automation while improving safety and...

Briefs : Information Technology
SSC Engineering Analysis

A package for the automation of the Engineering Analysis (EA) process at the Stennis Space Center has been customized. It provides the ability to assign and track analysis tasks electronically, and electronically route a task for approval. It now provides a mechanism to keep these analyses under configuration management....

Briefs : Information Technology
CCSDS Advanced Orbiting Systems Virtual Channel Access Service for QoS MACHETE Model

To support various communications requirements imposed by different missions, interplanetary communication protocols need to be designed, validated, and evaluated carefully. Multi-mission Advanced Communications Hybrid Environment for Test and Evaluation...

Briefs : Information Technology
Computer-Aided Parallelizer and Optimizer

The Computer-Aided Parallelizer and Optimizer (CAPO) automates the insertion of compiler directives (see figure) to facilitate parallel processing on Shared Memory Parallel (SMP) machines. While CAPO currently is integrated seamlessly into CAPTools (developed at the University of Greenwich, now marketed...

Briefs : Information Technology
Global Precipitation Mission Visualization Tool

The Global Precipitation Mission (GPM) software provides graphic visualization tools that enable easy comparison of ground- and space-based radar observations. It was initially designed to compare ground radar reflectivity from operational, ground-based, S- and C-band meteorological radars with...

Briefs : Information Technology
MatchGUI: A Graphical MATLAB-Based Tool for Automatic Image Co-Registration

MatchGUI software, based on MATLAB, automatically matches two images and displays the match result by superimposing one image on the other. A slider bar allows focus to shift between the two images. There are tools for zoom, auto-crop to overlap region, and basic image...

Briefs : Electronics & Computers
UAVSAR Active Electronically Scanned Array

The Uninhabited Airborne Vehicle Synthetic Aperture Radar (UAVSAR) is a pod-based, L-band (1.26 GHz), repeatpass, interferometric, synthetic aperture radar (InSAR) used for Earth science applications. Repeat-pass interferometric radar measurements from an airborne platform require an antenna that can be...

Briefs : Electronics & Computers
Positively Verifying Mating of Previously Unverifiable Flight Connectors

Current practice is to uniquely key the connectors, which, when mated, could not be verified by ground tests such as those used in explosive or non-explosive initiators and pyro valves. However, this practice does not assure 100-percent correct mating. This problem could be...

Briefs : Electronics & Computers
Radiation-Tolerant Intelligent Memory Stack — RTIMS

This innovation provides reconfigurable circuitry and 2-Gb of error-corrected or 1-Gb of triple-redundant digital memory in a small package. RTIMS uses circuit stacking of heterogeneous components and radiation shielding technologies. A reprogrammable field-programmable gate array (FPGA), six...

Briefs : Electronics & Computers
Ultra-Low-Dropout Linear Regulator

A radiation-tolerant, ultra-low-dropout linear regulator can operate between –150 and 150 ºC. Prototype components were demonstrated to be performing well after a total ionizing dose of 1 Mrad (Si). Unlike existing components, the linear regulator developed during this activity is unconditionally stable over...

Briefs : Electronics & Computers
Excitation of a Parallel Plate Waveguide by an Array of Rectangular Waveguides

This work addresses the problem of excitation of a parallel plate waveguide by an array of rectangular waveguides that arises in applications such as the continuous transverse stub (CTS) antenna and dual-polarized parabolic cylindrical reflector antennas excited by a...

Briefs : Electronics & Computers
Lockout/Tagout (LOTO) Simulator

The Lockout/Tagout (LOTO) Simulator is a portable training aid, or demonstration tool, designed to physically illustrate real-time critical-safety concepts of electrical lockout/tagout. The objective is to prevent misinterpretations of what is off and what is on during maintenance and repair of complex electrical...

Briefs : Electronics & Computers
FPGA for Power Control of MSL Avionics

A PLGT FPGA (Field Programmable Gate Array) is included in the LCC (Load Control Card), GID (Guidance Interface & Drivers), TMC (Telemetry Multiplexer Card), and PFC (Pyro Firing Card) boards of the Mars Science Laboratory (MSL) spacecraft. (PLGT stands for PFC, LCC, GID, and TMC.) It provides the interface...

Briefs : Electronics & Computers
Analysis of Microwave Radiation

Microwave heating is an important process for many commercial, industrial, and household applications. Industrial microwave ovens are widely used for chemical processing, agri-food, medical products, and consumer products applications. Resonant cavities are often used to speed up chemical reactions, and have the...

Briefs : Electronics & Computers
Analysis of Thermoelectric Phenomena

Thermoelectric phenomena provide the direct conversion of heat into electricity or electricity into heat. The phenomena are described by three related mechanisms: the Seebeck, Peltier, and Thomson effects. The Seebeck effect describes the conversion of temperature differences directly into electricity; at the...

Articles : Electronics & Computers
Smart Phones in Space

Students, teachers, and commercial companies have been taking advantage of the International Space Station's (ISS) unique environment for years. One of those companies, Houston-based Odyssey Space Research, plans to bring the experience to the rest of us via our mobile devices.