Keyword: Electrical systems

Briefs: Manufacturing & Prototyping

Wearable biosensors for health monitoring lack a lightweight, long-lasting power supply. A new method was developed for making a charge-storing system that is easily integrated into...

Briefs: Electronics & Computers

Growing demand for electric vehicles and more sustainable forms of transport means finding new forms of energy storage such as batteries, supercapacitors, and fuel cells. Currently, a major...

5 Ws: Electronics & Computers
Who

Millions of people who rely on pacemakers, defibrillators, and other livesaving implantable devices powered by batteries that need to be replaced every five to 10 years.

Briefs: Energy

Recent technical advances have enabled flywheel energy storage systems (FESS) to become more compact and able to support higher-power applications. Due to their proven...

Briefs: Communications
MEMS Switch Extends Life of Cellphones

A new type of microelectromechanical system (MEMS) was developed that uses electrostatic levitation to provide a more robust system. All cellphones use MEMS switches for wireless communication, but traditionally there are just two electrodes. The switches open and close numerous times during just one hour,...

Briefs: Software
Self-Stabilizing, Distributed, Symmetric, Fault-Tolerant Synchronization

Distributed systems have become an integral part of safety-critical computing applications, necessitating system designs that incorporate complex fault-tolerant resource management functions to provide globally coordinated operations with ultra-reliability. As a result,...

Briefs: Mechanical & Fluid Systems

Existing nanosensor technologies depend on an external power source (typically a battery) to operate. Chemical and biological sensors based on nanowire or nanotube technologies exhibit...

Articles: Aerospace

Different types of motion encountered in dynamic environments require designers to specify connectors for boards, wiring, and devices that can meet significant g-forces,...

Briefs: Electronics & Computers
Internal Short Circuit Testing Device to Improve Battery Designs

Batteries, such as lithium-ion, sold for consumer use in portable electronic devices and other applications such as electrical cars, occasionally fail in the field over time. These cells have typically passed a wide variety of safety tests such as those required by governmental...

Briefs: Energy
Li-ion Cell Calorimeter

Lithium-ion batteries are an integral part of energy storage systems used in NASA's Exploration program, as well as many modern terrestrial industries. NASA Johnson wanted a better way to measure total and fractional heat response of specific types of Li-ion cells when driven into a thermal runaway condition.

Briefs: Materials

Engineers and software developers are seeking to create technology that lets users touch, grasp, and manipulate virtual objects while feeling like they are actually touching something in...

Briefs: Energy

Conventional lithium-ion batteries cannot be rapidly charged at temperatures below 50 °F. Electric vehicles are popular on the West Coast because the weather is...

Briefs: Energy

Today's photovoltaic power systems are generally comprised of a single photovoltaic module or multiple modules connected by combinations of series and parallel circuits as a photovoltaic array....

5 Ws: Aerospace
Who

The Safe Impact Resistant Electrolyte (SAFIRE) fire-resistant battery can be used in consumer electronics such as cellphones, in drones and cars, and in soldiers’ packs.

Articles: Data Acquisition
FUTURE ANTENNA MINIATURIZATION MECHANISM: MAGNETOELECTRIC ANTENNAS Hwaider Lin and Nian-Xiang Sun, Northeastern University, Boston, MA USA

Antenna...

Technology Leaders: Electronics & Computers

Electronics industry trends develop and change, technologies emerge and improve, and new applications bring new requirements and challenges. While this obviously has an impact on the...

Briefs: Electronics & Computers

Photons, or units of light, are faster than electrons and could, therefore, process information faster from smaller chip structures. A switch was designed that bypasses a...

Briefs: Nanotechnology
Polymer Nanofiber-Based Reversible Nano-Switch/Sensor Schottky Diode (nanoSSSD) Device

Innovators at NASA's Glenn Research Center have developed a unique nano-structure device that operates as a nano-switch/sensor for detecting toxic gases and ultraviolet (UV) radiation. Conventional microsensors are limited by their short life, high cost and...

Briefs: Manufacturing & Prototyping

Additive manufacturing (3D printing) can be used to manufacture porous electrodes for lithium-ion batteries, but because of the nature of the manufacturing process, the design of these...

Articles: Mechanical & Fluid Systems
Learn about certification, support, supply chain and other facts to consider when choosing a connector supplier.
Articles: Mechanical & Fluid Systems
A connectors expert reviews standards and certifications; assembly tooling; and physical space issues.
Articles: Materials

Hybrid solutions that combine small photovoltaic (PV) panels with industrial grade rechargeable Lithium-ion (Li-ion) batteries provide long-term power for remote...

Briefs: Electronics & Computers

A battery pack is only as strong as its weakest cell. As battery packs become larger and more integral to the stable operation of devices and systems, the need to monitor battery dependability and performance...

Briefs: Test & Measurement

The ability to measure the electronic conductivity of battery film coatings is a pressing need in the battery industry; however, these measurements can...

Application Briefs: Software

Silphenix GmbH is an engineering and consulting firm in Switzerland specializing in high-speed electrical machines, magnetic bearings, and electromagnetic field analysis. One project focus is compact...

Briefs: Electronics & Computers

There are applications that require multiple electric machine drives, such as electric or hybrid electric vehicles, where there is a main traction motor and one or more accessory...

Briefs: Green Design & Manufacturing

Wind and solar energy generation creates challenges, since the Sun only shines by day, and sometimes the wind doesn't blow. Another variability is surges of demand on the grid. On a hot...

Briefs: Electronics & Computers
Microcontroller Altimeter (uCA)

Traditional altitude switch designs for harsh environments are mechanical in nature and operate by means of an inflatable bladder or bellows that mechanically depresses a pushbutton switch. The altitude trip point is set by mechanically adjusting the distance of the switch to the bellows. The mechanical action of...

Briefs: Energy
Electrode Design Boosts Supercapacitor Performance

Supercapacitors are rechargeable energy storage devices that deliver more power for their size than similar-sized batteries. They also recharge quickly, and they last for hundreds to thousands of recharging cycles. Today, they are used in hybrid cars’ regenerative braking systems and for other...