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.

Articles : Electronics & Computers
Avoiding Electrical Damage with Conductive Lubrication
While most cars today run on 12-volt DC batteries, cars in the future will run on 48 volts. This increased voltage could affect ball bearing performance.
Stanford Professor Eric Pop learned a valuable electronics lesson from his early days as a radio DJ.
Question of the Week : Energy
Does Snow Have Power Potential?

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

Briefs : Semiconductors & ICs
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...

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...

Application Briefs : Photonics/Optics
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...

NASA Spinoff : Power
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...

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.

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...

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 : Semiconductors & ICs
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...

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

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...

Technology Leaders : Software
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...

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.

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...

Briefs : Electronics & Computers
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.

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

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...

Briefs : Test & Measurement
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...

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...

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...

Products : Photonics/Optics
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...

News : Sensors/Data Acquisition
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 : Mechanical & Fluid Systems
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...

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...

Batteries with metallic lithium anodes offer enhanced efficiency compared to conventional lithium-ion batteries because of their higher capacity. However, safety concerns and a short lifespan stand in the way. To...

Products : Photonics/Optics
New Products: June 2019 Sensor Technology

Extreme Environment Displacement Sensors and Systems

The Measuring Division of Kaman Precision Products, Inc (Colorado Springs, CO) announces the availability of its Extreme Environment...

Briefs : Propulsion
Double-Fed Induction Linear Alternator

This technology was developed to address the limitations of traditional, single-fed linear alternators that require permanent magnets, adhesive bonding organics, and heavy iron laminations for flux control. They experience eddy-current losses and require electromagnetic interference protection. Furthermore,...

Products : Mechanical & Fluid Systems
New on the Market: June 2019

Code Generator

dSPACE, Wixom, MI, offers Version 4.4 of TargetLink code generator software that features controller modeling with MATLAB® code from MathWorks. It describes algorithms and...

TRENDING STORIES

Articles: Motion Control

The Modern Industrial Workhorse: PID Controllers

Briefs: Information Technology

Software for Analyzing Root Causes of Process Anomalies

Podcasts: Mechanical & Fluid Systems

Here's an Idea: Apollo 11

Briefs: Electronics & Computers

Induced-Eddy-Current-Sensor Measurement of Semiconductor Performance

Articles: Photonics/Optics

Nd:YAG or Fiber Laser for Micro Welding?

Articles: Photonics/Optics

Custom Optomechanics in Industrial UV Lasers