Articles tagged with Mechanical Systems
A randomized clinical trial investigated the effectiveness of low-use vs high-use physical restraint strategies in critically ill patients receiving mechanical ventilation in the ICU. The study found no significant reduction in days free of delirium or coma at 14 days, regardless of the restraint strategy used.
Researchers discovered a simple strategy for snakes to stand upright without limbs, concentrating bending and muscle activity into a short boundary layer near their base. This approach reduces energy required while maintaining balance, offering design principles for soft robots and medical devices.
A new metamaterial design enables real-time stiffness visualization and self-sensing capabilities, paving the way for intelligent systems. The research team created a linear relationship between stiffness and active hinges, allowing for precise tuning and adaptation in mechanical systems.
Researchers develop highly tunable spatial heterostructure within pure titanium using mechanical milling and laser powder bed fusion, achieving strength-plasticity synergy and overcoming the strength-plasticity trade-off bottleneck. The resulting harmonic heterostructure endows pure Ti implants with excellent wear resistance.
A new mathematical framework, STIV, can predict larger-scale effects like proteins unfolding and crystals forming without costly simulations or experiments. The framework solves a 40-year-old problem in phase-field modeling, allowing for the design of smarter medicines and materials.
Researchers have developed a novel way to reach the unexplored mesosphere using lightweight flying structures that can float using sunlight. The devices, which were built at Harvard and other institutions, levitated in low-pressure conditions and demonstrated potential for climate sensing and exploration.
A research team has experimentally demonstrated a nonlinear wave phenomenon that changes its frequency depending on the direction of incoming waves. The system exhibits different responses to waves entering from one side versus the other, with potential applications in medical ultrasound imaging and noise control.
The MyoStep project represents a significant advancement in pediatric mobility aids for children with cerebral palsy, addressing motor impairments that restrict participation in physical activities. The soft power suit provides a lightweight, discreet solution tailored to fit seamlessly into the lives of children and their families.
A new robotic system uses cues in a scene to determine a human's objective and quickly identify relevant objects, enabling intuitive assistance in household, workplace, and warehouse settings. The approach achieved 90% accuracy in predicting human objectives and 96% accuracy in identifying relevant objects.
FAU CA-AI will acquire NVIDIA infrastructure for generative physical AI and develop state-of-the-art hardware and software for computational T&E of connected AI autonomy. This funding solidifies FAU's role as a national leader in next-gen networked AI autonomous systems research.
Researchers developed a novel anode material combining hard carbon with tin, enhancing energy storage and stability. The composite structure shows excellent performance in lithium-ion and sodium-ion batteries, promising applications in electric vehicles and grid-scale energy storage.
A new study reveals that porous, multidirectionally graded piezoelectric plates exhibit improved mechanical and electrical responses under various loading conditions. The research sheds light on the critical need to model complex interactions between these advanced materials and their supporting foundations.
A novel machine learning-driven approach uses deep-learning operator-surrogate models to monitor critical degradation indicators in nuclear power facilities. This technique provides real-time predictions and addresses limitations of physical sensors or classical modeling predictions.
Researchers at Pohang University of Science & Technology and Jeonbuk National University successfully trapped mechanical waves within a single resonator, overcoming a century-old physics barrier. The discovery opens new possibilities for energy harvesting, ultra-sensitive sensors, and advanced communications.
New research validates theoretical models on how nanoscopic ripples affect material properties, leading to a better understanding of their mechanical behavior. The study's findings have significant implications for the development of microelectronics and other technologies that rely on thin films.
Researchers at Florida Atlantic University developed an innovative real-time ASL interpretation system using AI and deep learning. The system achieved a 98.2% accuracy rate with minimal latency, enabling fast and reliable performance for applications such as live video processing and interactive technologies.
Researchers developed a novel approach to enhance chitosan aerogels' mechanical properties by incorporating silk microfibers with different aspect ratios. The study showed significant improvements in compressive strength, deformation mechanisms, and liquid transportation capabilities.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
Researchers at Northwestern University developed a new wearable device that can apply precise movements to mimic the complexity of human touch. The device creates a sophisticated variety of haptic sensations, including vibrations, stretching, pressure, and twisting, allowing for more nuanced and realistic tactile feedback.
A new study by MIT researchers shows that data analysts consistently boost team performance in professional basketball. Investing in analytics departments yields significant wins, with one data analyst's impact valued at over $9 million.
A team of researchers at MIT has developed a system that makes pesticides stick to plant leaves, reducing waste and costs for farmers. The new technology, which involves coating droplets with an oily material, improves the 'stickiness' of the droplets by up to a hundredfold.
Researchers from Saarland University are developing novel air conditioning technology using elastocaloric effect, which can cool and heat more sustainably than current systems. The aim is to commercialize the technology within five years.
A new AISS automates zebrafish larvae handling for precise, multi-organ imaging without anesthesia. The system enables high-resolution imaging of organs like the heart, brain, and liver, revealing detailed assessment of drug effects.
Researchers at Saarland University have developed smart implants that can monitor and promote healing in fractured bones. The miniaturized technology, part of the EU-funded SmILE project, enables the use of thin intramedullary nails to support bone stability during healing.
The autonomous tractor, Sergius, boasts three different steering modes for efficient navigation in straight lines and turns. Researchers have validated the inverted mode for precise turns and the hybrid mode for optimal performance in straight sections.
The Dielectric Elastomer Sensor (DES) offers real-time pressure and vibration monitoring in soft fluidic actuators, ideal for robotics and biomedical devices. The sensor's flexibility and ability to withstand large deformations make it suitable for applications in automobile designing and structural health monitoring.
Researchers have developed microcomb technology to miniaturize optical atomic clock systems, offering significant benefits for navigation, autonomous vehicles, and geo-data monitoring. The new system uses integrated photonics to integrate optical components on tiny photonic chips, reducing size and weight.
Researchers have proposed a transformative, battery-less wireless sensing system to overcome IoT network deployment and power supply challenges. The bio-inspired system combines exceptional reliability with flexibility, addressing key limitations of traditional rigid wireless systems.
A new device has been designed to effectively treat cerebral venous sinus thrombosis (CVST) by navigating complex venous anatomy and removing large thrombi. The device features controllable axial and longitudinal maneuverability, improving clinical outcomes for patients with CVST.
Researchers at Rice University create programmable fluidic fuses that protect devices and enable complex sequencing of actions. The study's findings have far-reaching applications in wearable technology and robotics, promising more resilient and capable systems.
A 28×28 MoS2-based synaptic device array has been developed to mimic the human visual system's intricate functions. The array achieved a stunning 96.5% accuracy in digit recognition, marking a significant leap forward in large-scale neuromorphic systems.
A new mechanical heart pump, BrioVAD, is being tested against the current standard, HeartMate 3, in a national study. The trial aims to enroll 780 participants with advanced heart failure and will compare the two devices head-to-head.
Researchers developed a novel electrothermal microgripper with remarkable deformation capabilities, excellent size compatibility, and reliable catch strength. The microgripper enables efficient manipulation and assembly of micro- and nano-scale objects, paving the way for innovations in high-tech industries.
Researchers developed a portable telescopic system with a 5cm diameter concentric-ring metalens, achieving high-resolution detection within a 20° field of view. The design features an image-side telecentric optical system and a front aperture stop to reduce edge ray aberration, resulting in a PSF with MTF > 0.4 @ 46lp/mrad.
The FAU-designed autonomous observation platform system offers a comprehensive approach to studying the Arctic environment and monitoring the impact of melting sea ice. The system integrates with the environment it monitors, providing new data on Arctic Sea ice melt beyond what satellites and manned ships can provide.
Researchers developed a 3D microscopic version of the human intestines on a chip, allowing for real-time examination of gut microbes' interactions with the human intestine. The 'Gut-Microbiome on a chip' model enables the study of complex interplay between gut microbes and health, facilitating targeted microbiome-based interventions.
Researchers demonstrate that quantum processes can be designed to comply with the second law, highlighting a harmonious coexistence between quantum mechanics and thermodynamics. Their findings open up new avenues for understanding thermodynamic boundaries of quantum technologies.
A study on fruit fly larvae revealed the presence of neurons with mechanoreceptors in their peripheral taste organs, allowing them to sense food texture. This discovery sheds light on the complex process of tasting texture and highlights the importance of multisensory contributions in food perception.
Researchers at SeoulNational University of Science & Technology propose two new designs for energy-efficient vibration energy harvesters that boost power output and efficiency. The designs use a repulsive magnet pair, yoke, and optimized coil placement to maximize magnetic flux change, leading to higher power generation.
Researchers at Tokyo University of Agriculture and Technology developed an explainable AI model to classify videos of splashing and non-splashing drops. The model achieved a success rate of 92% for low-viscosity liquid and 100% for high-viscosity liquid, revealing key differences in droplet behavior during impact stages.
Researchers at Texas A&M University have developed a skin-like material that can mimic human skin textures and elasticity, simulating conditions for bacterial growth. The Ecoflex-based skin replicas can be used to test wearable sensors and improve catheter designs, potentially reducing the risk of catheter-related bloodstream infections.
Researchers from Texas A&M University have introduced a novel thermodynamic concept called the 'centotectic,' which investigates the stability of liquids in extreme conditions. The study provides critical information for determining the habitability of icy moons like Europa, with potential implications for planetary exploration efforts.
Researchers at UC3M are conducting a pioneering study on how morphological differences between men and women affect road safety systems, specifically seat belts. The study aims to improve protection for vehicle occupants regardless of gender, as anatomical and behavioural differences may lead to increased risk of injury.
Researchers have developed a 3D concrete printing system that captures and stores carbon dioxide, offering a promising alternative to traditional cement-based construction methods. The innovation improves printability, increases strength, and enhances mechanical properties, resulting in stronger and more eco-friendly buildings.
Researchers developed an ultra-compact transparent ultrasonic transducer for simultaneous high-resolution ultrasound and photoacoustic imaging. This technology improves diagnostic sensitivity by providing detailed information about tissue vasculature, thereby enhancing early cancer detection.
Researchers at Chiba University have created an electronically controllable sliding molecular machine using a newly modified ferrocene molecule. The discovery overcomes the challenge of stabilizing the fragile ferrocene molecule on a flat surface, enabling precise control of its motion through electrical signals.
A UCF researcher is developing a thermochemical energy storage system to reserve solar energy for future use and contribute to the global transition to clean energy. The system uses chemical reactions to absorb or release heat, making it an advantageous way to store energy at high temperatures.
Southwest Research Institute has launched a joint industry project to develop technologies for hydrogen-powered heavy-duty refueling operations. The four-year program aims to strengthen existing refueling station equipment and procedures, exploring alternatives to address supply chain issues and technical challenges.
Physicists at the University of Michigan have developed an algorithm that enables materials to learn and adapt, mimicking brain-like behaviors. This breakthrough has implications for the development of advanced materials with self-tuning properties.
The Center for Marine Autonomy and Robotics develops advanced underwater robots and autonomy algorithms, enabling intelligent operation without human oversight. The research team has received $7.4 million in grants to continue their mission, advancing unconventional marine platforms and enhancing AUV capabilities.
Researchers measured seat acceleration and jerk on bus routes across Sydney, finding vibrations can cause discomfort and long-term health issues. The study suggests potential enhancements like better suspension systems and driver monitoring to improve ride comfort and fuel efficiency.
Researchers found that female locust's digging valves wear down significantly despite being used only 3-4 times in a lifetime. The study demonstrates the 'good enough' principle in evolution, where extra resources are not invested in organs with specific purposes performed adequately.
Researchers have developed a deep-learning-powered metalens imaging system that overcomes limitations of traditional metalenses. The system pairs a mass-produced metalens with an image restoration framework driven by AI to achieve aberration-free, full-color images while maintaining compact form factor.
Researchers created a new electrode design that increases the efficiency of converting CO2 into ethylene, a valuable chemical product. The electrochemical system can now be scaled up for industrial applications without significant energy or cost losses.
A new PACT system offers rapid imaging of living organisms, enabling the tracking of whole-body dynamics and disease progression. The system achieves spatial resolution of approximately 212 micrometers and enables the visualization of oxygen saturation across complex biological systems.
Southwest Research Institute (SwRI) will help the US Air Force modernize methods to sustain three fleets of military aircraft, including the T-38 Talon, A-10 Thunderbolt II, and B-52 Stratofortress. The institute's analyses will aid in determining when structural repairs are necessary.
A new study found that simple kitchen improvements can significantly reduce exposure to harmful pollutants, preventing over 67,000 premature deaths annually. Widespread implementation of ventilation systems could be an affordable solution to mitigate household air pollution in rural areas.
A team of biomedical engineers from the University of Melbourne has developed a groundbreaking 3D printing system that can fabricate complex human tissues in just seconds. This technology significantly improves the potential to predict and develop new pharmaceutical therapies, reducing the need for animal testing.
The Atlantic Marine Energy Center (AMEC) will develop new research projects, infrastructure, and educational programs using the funding. Lehigh University will lead two research projects focused on tidal turbine blades and real-time stable marine energy microgrid power management.
A new system dubbed SonicSense allows robots to interpret the world through acoustic vibrations, giving them a richer ability to 'feel' and understand objects. The system, featuring a robotic hand with contact microphones, can identify materials, shapes, and recognize objects in complex environments.