Electrical/​Electronics

Power Management

Browse the latest technologies and product developments focused on the challenges facing power management system designers. Power management is integral to electrified and autonomous vehicles, hybrid power, and fuel cell power systems.

Latest Briefs & News

Briefs : Mechanical & Fluid Systems
Lightweight Sensing and Control System for Unmanned Aerial Vehicle Monitoring

A new sensing and control system for unmanned aerial vehicles (UAVs) allows for semi-autonomous flight. Pilots need not leave the ground to conduct routine monitoring and surveillance quickly and cost-effectively. Such systems are particularly useful during long flight...

Question of the Week : Electronics & Computers
Does Snow Have Power Potential?

A 2019 Tech Briefs story demonstrated a plastic-like, flexible nanongenerator that creates electricity from falling snow.

Briefs : Communications
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Briefs : RF & Microwave Electronics
Terahertz Data Links Without Direct Line of Sight
Terahertz Data Links Without Direct Line of Sight

Today’s cellular networks and Wi-Fi systems rely on microwave radiation to carry data but the demand for more bandwidth is quickly becoming more than microwaves can handle. That has...

Terahertz Data Links Without Direct Line of Sight
Application Briefs : Energy
3D-Printing a Unique Metal Part
3D-Printing a Unique Metal Part
VELO 3D
Campbell, CA
www.velo3d.com

Over the past four years, Enrique Enriquez, president of KW Micro Power, has worked in pursuit of his company’s goal: a microturbine generator roughly...

3D-Printing a Unique Metal Part
NASA Spinoff : Automotive
Methane Detector Sniffs Out Leaks
Methane Detector Sniffs Out Leaks

Methane is everywhere on Earth. It’s the main ingredient in the natural gas that powers heating, cooking, and electricity. It’s also a potent greenhouse gas. The presence of methane is also interesting...

Methane Detector Sniffs Out Leaks
Question of the Week : Energy
Do You See Potential with Electrokinetic Power?

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

Articles : Imaging
Stepper Motor Drives: Factors to Help Determine Proper Selection
Stepper Motor Drives: Factors to Help Determine Proper Selection

Stepper motors and stepper-based linear actuators are often selected for open-loop motion control devices and equipment. These can be found in a wide range of products and...

Stepper Motor Drives: Factors to Help Determine Proper Selection
Briefs : Electronics & Computers
Visualizing Motion of Water Molecules for Liquid-Based Electronics

A high-resolution inelastic x-ray scattering technique was used to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, that...

Briefs : Electronics & Computers
Cryogenic Hydraulically Actuated Isolation Valve

Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...

Briefs : Mechanical & Fluid Systems
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles

A new method uses ultraviolet light to control the flow of fluids by encouraging particles — from plastic microbeads, to bacterial spores, to pollutants — to...

Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Briefs : Automotive
Nickel Titanium Alloy Ball Bearings
Nickel Titanium Alloy Ball Bearings

Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy...

Nickel Titanium Alloy Ball Bearings
Articles : Electronics & Computers
Module or Discrete Power?
Module or Discrete Power?

Engineers today are feeling the pressure to get more done in less time, be experts in multiple disciplines, and use their resources more efficiently to maximize profits. This environment is shifting the way...

Module or Discrete Power?
Briefs : Sensors/Data Acquisition
Wearable Liquid Unit Harvests Energy
Wearable Liquid Unit Harvests Energy

Researchers have created wearable technology to convert mechanical energy into electrical energy. It presents a step toward the practical realization of self-powered, human-integrated technologies.

Wearable Liquid Unit Harvests Energy
Briefs : Energy
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
Briefs : Electronics & Computers
Fabricating Nanochips via Thermal Lithography
Fabricating Nanochips via Thermal Lithography

A process for fabricating atom-thin processors can be used to produce at the nanoscale for smaller and faster semiconductors.

Fabricating Nanochips via Thermal Lithography
Q&A : Electronics & Computers
Q&A: Power Anomalies Detect Malware in Embedded Systems

Aydin Aysu, Ph.D., is Assistant Professor in the Electrical & Computer Engineering Department at North Carolina State University in Raleigh, where he helped develop a technique for detecting micro-architecture malware that uses a system’s architecture to thwart traditional security...

Briefs : Electronics & Computers
Hybrid Transformer
Hybrid Transformer

Researchers have developed a hybrid transformer that has the benefit of a full planar transformer design but uses a wire-wound secondary winding to keep the parasitic winding capacitances lower. Alone, planar transformers...

Hybrid Transformer
Briefs : Electronics & Computers
Stretchable Power Source for Wearables
Stretchable Power Source for Wearables

Researchers have created highly stretchable supercapacitors for powering wearable electronics that consist of crumpled carbon nanotube (CNT) forests. The supercapacitors demonstrated solid performance...

Stretchable Power Source for Wearables
Briefs : Energy
Aircraft Engine Icing Event Avoidance and Mitigation
Aircraft Engine Icing Event Avoidance and Mitigation

Innovators at NASA’s Glenn Research Center have developed a new means of avoiding and mitigating icing events for aircraft flying above 14,000 feet, dramatically improving aviation...

Aircraft Engine Icing Event Avoidance and Mitigation
Briefs : Electronics & Computers
Thin-Film System Converts Heat from Electronics into Energy
Thin-Film System Converts Heat from Electronics into Energy

Nearly 70 percent of the energy produced in the United States each year is wasted as heat. Much of that heat is less than 100 °C and emanates from things like computers, cars, or...

Thin-Film System Converts Heat from Electronics into Energy
Products : Motion Control
New on the Market: July 2019
New on the Market: July 2019

Sensor Controller

The induSENSOR MSC7401 sensor controller from Micro-Epsilon, Ortenburg, Germany, is used for displacement and distance measurements and is operated with LVDT and LDR measuring gauges...

New on the Market: July 2019
News : Energy
Renewable Oils for Use in Lubricants Synthesized

Engine gears, plane thrusters, refrigerator compressors, wind turbines – the list of important industrial machinery, agricultural equipment, transportation vessels, and home applications that depend on lubricants might be endless. These slick substances quite literally keep the world turning,...

Articles : Electronics & Computers
Pneumatics for Mechanical Motion
Pneumatics for Mechanical Motion

Employing fluid power to achieve mechanical motion can be implemented via hydraulics using uncompressible liquids or via pneumatics using compressible gasses; typically, air. The latter provides several...

Pneumatics for Mechanical Motion
Briefs : Electronics & Computers
Ultra-Low-Power Chips Enhance Performance of Small Robots
Ultra-Low-Power Chips Enhance Performance of Small Robots

An ultra-low-power hybrid chip inspired by the brain could help give palm-sized robots the ability to collaborate and learn from their experiences. Combined with new generations of...

Ultra-Low-Power Chips Enhance Performance of Small Robots