Keyword: Power electronics

Articles: Motion Control
The DPV concept matches the unique needs of electric vehicle cooling and energy management systems.
Briefs: Mechanical & Fluid Systems
A new fabrication technique helps improve the performance of flying micro-robots.
Articles: Energy
A tiny investment in system capital expenditures can lead to huge rewards in reduced capital and operating expenses.
Briefs: Transportation
The transistors enable power converters to perform at substantially improved efficiencies, especially in high-power applications.
Briefs: Semiconductors & ICs
Normally an insulator, diamond becomes a metallic conductor when subjected to large strain.
Briefs: Electronics & Computers
The material can be used in power electronics and power converters for solar energy power systems.
Briefs: Energy
The material can be scaled for use in ultra-efficient, power-dense, electric vehicle traction motors.
Articles: Mechanical & Fluid Systems
An A/C alternative, AI that sharpens blurry images, and a NASA energy harvester.
Briefs: Transportation
Fuse devices enable circuit safety in high-power applications, such as motion control and alternative energy generation, in addition to electric vehicles.
Briefs: Electronics & Computers
The bus is designed for high-frequency, high-temperature operation in electric drive systems and next-generation power electronics.
Briefs: Green Design & Manufacturing

Power electronics used for routing, control, and conversion of electrical power traditionally utilize silicon semiconductors. These systems tend to be bulky, require active cooling, and are inadequate for...

Articles: Manufacturing & Prototyping

Next-generation manufacturing takes on a 50-year-old icon as ORNL researchers transform the classic Shelby Cobra sports car into a 3D-printed laboratory on wheels. Additive manufacturing enables the seamless...

Briefs: Aerospace

Innovators at NASA’s Glenn Research Center have developed a variable-frequency, alternating current (AC) power system to enable turbo-electric and hybrid electric...

Briefs: Electronics & Computers
Integrated Three-Dimensional Module Heat Exchanger for Power Electronics Cooling

Critical elements in the operation of electric drive systems are power electronics and power semiconductor packages. Improving thermal management of power electronics can help reduce the cost, weight, and volume of electric drive systems, and thus increase market...

Articles: Energy

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

Articles: Defense

Gary Cola, Flash Bainite, Washington, MI

The Flash® Bainite Process is a rapid heat treating process for creating...

Briefs: Electronics & Computers

One of the most common causes of electronics failure is moisture. Because water and electronics do not mix well, several strategies exist to protect mission-critical components from...

Briefs: Automotive

Designing automotive electronics presents numerous technical challenges, including the need to protect against electrical hazards. The three major sources of electrical hazards...

Briefs: Robotics, Automation & Control
Compact Active Vibration Control System

This innovation consists of an analog controller, diamond-shaped patch actuator, and point sensors (such as accelerometers). The actuator is designed to couple to the flexural response of the structure in the same manner as a group of point sensors. This results in a co-located transducer pair. The signals...

Briefs: Mechanical & Fluid Systems
A Field-Reconfigurable Manipulator for Rovers

Robotic technologies will be deeply involved in any future human mission to the Moon. Prior to human arrival, robots will survey and explore the lunar surface, establish infrastructure, and assemble and test habitat modules. Once humans have arrived, the robots must be able to assist human...

Products: Lighting

SL Power Electronics (Ventura, CA) has introduced its new LE Series of LED drivers. Available in 10 models from 75 to 300 watts, the constant current LED drivers enable highly efficient LED lighting for applications that require...

Briefs: Semiconductors & ICs

A high-temperature-capable widebandgap semiconductor power module package, coupled with a new high-temperature- capable bonding process...

Articles: Lighting

Energy can be found everywhere — in the movement of doors and windows or machine components, the vibration of motors, changing temperature or variances in luminance level. These energy...

Briefs: Software

If carmakers could reduce the number, size, and weight of the components in there, better fuel economy would result. A case in point is the design and...

Articles: Research Lab

Innovators at NASA’s Glenn Research Center design game-changing spaceflight technologies that advance exploration of our solar system. They have also established themselves as global leaders in aeronautics by...

Articles: Lighting Technology

Partly due to rising environmental concerns and the increasing cost of energy, the industrialized world is now replacing billions of conventional incandescent light fixtures. While a significant...

Articles: Manufacturing & Prototyping

The Create the Future Design Contest was launched in 2002 by the publishers of NASA Tech Briefs to help stimulate and reward engineering innovation. The competition has attracted...

Articles: Robotics, Automation & Control

EMI (Electromagnetic Interference) comes in different forms, frequencies, and levels. Electronic equipment has different categories for both emissions and susceptibility. Under normal...

Briefs: Physical Sciences
Pixelized Device Control Actuators for Large Adaptive Optics

A fully integrated, compact, adaptive space optic mirror assembly has been developed, incorporating new advances in ultralight, high- performance composite mirrors. The composite mirrors use Q-switch matrix architecture- based pixelized control (PMN-PT) actuators, which achieve high-...