Articles tagged with Electrical Engineering
Researchers at Rice University develop a new way to model the cochlea's sound processing using graph signal processing, identifying broader functional relationships between sensory cells. The model, called GSP Cochlea, performs better in detecting signals in noise and may hold the key to personalized device settings for hearing aids.
Researchers developed a perovskite/In0.47Ga0.53As thin-film heterojunction to create high-sensitive DUV-SWIR photodetectors with optimal stability and performance. The device achieved 98.9% retention of initial performance after 30,000 cycles.
Researchers develop a new strategy to control electronic and magnetic properties of oxide thin films through nanoparticle exsolution, resulting in giant insulator-to-metal transition and room-temperature superparamagnetism
Researchers developed a non-contact optical sensing strategy to detect ethanol molecules in air using light-field distortions and deep learning. The system employs a graphene-based Fresnel lens to focus light through interference, capturing minute changes in the focal spot formed by the lens.
Researchers create programmable neuromorphic hardware platform that mimics biological neurons at extremely low temperatures. This technology enhances quantum error correction and real-time control, paving the way for complex data processing in space.
Researchers create self-regulating electrolyzer that produces solar fuels stably without relying on batteries, reducing costs and complexity. The new system autonomously adjusts its electrical behavior through thermal properties, keeping fuel production stable throughout the day.
A grid cybersecurity framework developed by ORNL has been licensed by GridForge Energy Solutions to improve real-time grid visibility. The patented Cyber Grid Guard platform uses blockchain technology to instantly detect unusual grid activity, data manipulation, and illicit changes to device settings.
By integrating GaN transistors into a diamond substrate, researchers have improved the speed and energy-efficiency of next-generation wireless devices. The diamond layer spreads and manages heat, allowing the transistors to operate at peak performance without degrading reliability.
The University at Albany has received a $1.3 million award from the National Science Foundation (NSF) to establish an advanced wireless testbed, enabling researchers to develop next-generation technologies for wireless communications and sensing systems across a wide range of frequencies.
A team of NUS researchers has developed a self-testing quantum chip that generates certified random numbers while verifying its own measurement hardware's functionality. The chip, published in PRX Quantum, removes the trust assumption in traditional random number generators.
Researchers clarify microscopic origin of charge noise in silicon spin qubits, attributing it to electronic transitions between conduction band and trap states. Higher temperatures improve gate fidelity by reducing switching rates and transition times.
Researchers developed an interferometric second-harmonic generation imaging approach to identify antiparallel domains and detect hidden structural defects in hBN thin films. The study finds that SHG intensity is closely associated with differences in crystal orientation and destructive interference between domains.
Researchers developed a transistor technology that enables a single device to perform multiple circuit functions simultaneously, simplifying circuit design and increasing data processing speed. The new approach reduces required transistors by 75% and increases data processing speed fourfold.
Researchers have developed soft, brain-inspired electronics that can sense, store, and process information while conforming to biological tissues. These devices mimic the chemical processing of the human brain, executing complex tasks like heart rhythm classification at ultra-low voltages.
Researchers at Virginia Tech have developed an 'acoustic atom' that traps and controls sound waves in ways that mimic real atoms. This breakthrough could influence technologies connected to quantum AI, telecommunication, medical imaging, GPS, and more.
The RBA hydrogels can stretch to more than three times their original length while remaining mechanically stable. They were used as strain sensors to detect subtle facial movements and distinguish between walking, jogging, and running in real time.
A University of Utah team developed a smartwatch prototype that tracks blood pressure and flow using electrical properties of blood flow for continuous, cuff-free readings. The technology harnesses physics and machine learning to provide accurate and interpretable results.
Researchers introduce phosphonate ester groups into conductive polymer films to balance electronic charge transport and ion transport, improving OECT performance. The approach enables precise tuning of polymer properties without redesigning monomers.
Researchers optimize blue perovskite LEDs by introducing ordered dipolar PVDF, improving carrier transport and recombination. The breakthrough results in world-record device performance, exceeding 43.9 lm W−1 peak power efficiency.
Researchers at MIT have developed a low-temperature process to extract battery-grade lithium from hard rock minerals, minimizing waste and costs. The closed-loop system can produce useful materials, including lithium salts, alumina, and silica, with an estimated cost reduction of half compared to traditional methods.
Lanzhou Jiaotong University researchers developed a droplet-based energy harvesting technology that converts secondary wastewater effluents into electricity. The system achieved high output performance and successfully powered LED lights, demonstrating its practical energy harvesting capability.
A team of Monash University students has developed ANTRUM, a wearable tracking and navigation system designed for high-risk underground settings. The palm-sized device allows users to locate their exploration partner and navigate back towards the cave entrance.
Javad Khazaei's research focuses on developing a novel geometry-based predictive control paradigm for distributed energy resources in power systems. By simplifying complex nonlinear systems using reduced-order modeling, his approach aims to slash data requirements and computational burden while maintaining accuracy. This work has promi...
Researchers at Binghamton University developed a system that enables users to monitor real plants in real-time using virtual reality. This technology makes farming more accessible for older adults and people with disabilities, allowing them to observe plants without physically being present.
Researchers have developed a single device that can harvest light and emit bright visible light, achieving high efficiency in both power conversion and electroluminescence. The device uses a novel organic semiconductor material with controlled energy flow, enabling it to operate at standard lithium-ion battery voltages.
Researchers developed a novel tribovoltaic effect-based strategy for human motion energy harvesting, enabling stable direct current output and simplifying system design. Advanced device designs enhance flexibility, durability, and adaptability to complex human motions, making it suitable for wearable applications.
Researchers at UBC Okanagan have made a groundbreaking discovery in wireless communication by developing nonlinear intelligent surfaces that can process electromagnetic waves more efficiently. These surfaces mimic neurons in computerized neural networks, enabling complex signal transformations and improved communication reliability.
Researchers found that improved lighting design combined with modern LED technology can reduce household energy use and enhance comfort. The study showed a 15.3% reduction in energy consumption by optimising lighting planning and positioning using software-based approaches.
A study by Carnegie Mellon University found that offshoring of production in Taiwanese electronics firms had mixed outcomes on their innovative capabilities. In product categories that could be moved offshore more easily, innovation levels declined, but in other areas, research efforts were reallocated to boost innovation.
The Harvard-led team demonstrates a micron-scale photonic device that generates two orders of magnitude more UV light on a chip than previous approaches. By converting red light to UV light through frequency upconversion, the researchers create high-power, low-loss, compact UV sources.
Researchers have developed SmartDJ, an AI-powered editor that allows users to reshape audio experiences with simple words. The system uses language models and diffusion models to interpret high-level requests and generate edited outputs.
Researchers developed an AI-powered methodology to identify and count target viruses more efficiently than previous techniques. The new approach uses electrochemical impedance spectroscopy and machine learning to separate signals from noise, enabling quick and accurate readings across a wide range of titers.
A new measurement technique using nanomembranes and infrared light detects tiny amounts of substances in minutes, reducing sampling time by 100-fold. The technology analyzes particles accumulating on a tiny membrane, heating it up when certain wavelengths are absorbed.
Researchers at DTU have developed a new magnetic material that features a stable internal magnetic structure and almost no external magnetic field, above room temperature. This could enable faster components and lower energy consumption in spintronics.
Researchers develop new concept to accurately model wind turbine loads, focusing on local gusts' impact on material fatigue. This enhances turbine design and efficiency by reducing uncertainties in load estimations.
Researchers develop signal-processing method to suppress distortions, achieving 6mm spatial resolution in single-ended Brillouin sensing. This enables early detection of damage or abnormal conditions in aging infrastructure.
Artificial synapses are built from soft, bio-friendly materials that operate like human brain synapses, merging data storage and computing into a single unit. Laboratory prototypes demonstrate immense capabilities, consuming energy on the scale of femtojoules.
Researchers at Saarland University have developed a new class of miniature actuators using ultrathin silicone film-based pumps. The pumps can operate without motors, compressed air, or lubricants and can be switched on and off as needed.
Researchers have developed a technique to detect and measure the concentration of rare-earth elements in plants without destroying them. The method uses fluorescence spectroscopy to distinguish between autofluorescence from plant matter and rare-earth element uptake.
Binghamton University has seen significant improvements in its graduate school rankings, with nearly three dozen programs earning national recognition. The university's Systems Science and Industrial Engineering program has been named the #31 Industrial and Systems Engineering graduate program in the US.
The CLAP system integrates authentication and processing functions within a unified memristor-based platform, offering critical security protection for resource-constrained edge computing devices. It achieves remarkable energy efficiency gains and area reductions compared to conventional implementations.
Researchers propose a novel THz metasurface-enabled platform for integrated sensing and imaging, overcoming limitations of slow sequential data acquisition. The system achieves 100% binary image reconstruction with nanosecond-scale accuracy, enabling real-time applications in security, semiconductor, and pharmaceutical sectors.
A new study introduces AI-based control strategies that ensure local grids remain reliable and resilient. By utilizing Artificial Neural Networks, the system can predict and compensate for grid changes in real-time, outperforming traditional control methods.
Researchers focus on developing transformer efficiency and heat recovery to enhance hydrogen production energy efficiency. The goal is to significantly reduce electricity consumption by up to 35% and increase net efficiency to 85%.
Scientists develop a new generation of energy-efficient transistors made from thin, lightweight electrically conducting films. The film-based switch can control the flow of electric current with high precision, enabling complex motion sequences or fixed positions.
Engineers at UC San Diego developed a new chip design that combines piezoelectric resonators with capacitors for efficient voltage conversion, achieving peak efficiency of 96.2% and delivering four times more output current than earlier designs.
Researchers have discovered that lithium dendrites in batteries are unexpectedly strong and brittle, causing short circuits and safety risks. The findings suggest that future battery design must change to improve safety and reliability of high-energy storage systems.
A Korean research team developed a spinal cord stimulator that softens upon contact with bodily fluids, mimicking surrounding nerve tissue. The device uses liquid metal and variable stiffness structures to achieve stable signal transmission and reduced costs.
A team of researchers, led by Bistra Iordanova and Liang Zhan, are developing multiscale models of brain metabolism to predict cognitive decline and dementia. They will analyze data from brain imaging, blood flow, and neural activity to identify metabolic changes that affect brain function in aging.
Qing-Chang Zhong, Illinois Tech engineering professor, recognized for inventing synchronized-and-democratized (SYNDEM) architecture and pioneering virtual synchronous machines (VSM). His work reshapes how future power systems are conceived and operated to meet the demands of a rapidly evolving energy landscape.
Researchers developed a wearable scent display that can blend up to eight fragrances in real time, enhancing immersive virtual experiences. The device uses advanced components to precisely control odor intensity and delivery.
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
Researchers develop programmable system to selectively pick up and place delicate electronic components, enabling mass production of defect-free displays and 3D microchips. The 'smart stamp' technology uses localized heating to control a polymer's stickiness, allowing precise transfer of semiconductor chips and other materials.
A new framework, proposed by Professor Zongjie Wang, helps transmission and distribution operations work together to make holistic decisions without centralization. The method combines data from both systems using reduced distribution network models and AI-powered modeling to account for uncertainties and complexities.
Scientists at Osaka Metropolitan University developed high-performance lead-free piezoelectric thin films directly on standard silicon wafers. The films achieved the highest piezoelectric response ever reported for bismuth ferrite, enabling a fivefold improvement in energy conversion efficiency.