Articles tagged with Systems Engineering
Scientists developed an all-season smart-roof coating that automatically switches between cooling and heating, outperforming commercial cool-roof systems in energy savings. The technology uses vanadium dioxide to regulate its rate of radiative cooling, overcoming the problem of overcooling in winter.
Researchers from Japan have developed a new method to synthesize a pure Si-CHA membrane showing much higher CO2 separation performance than existing membranes. The key to this achievement is using a porous silica substrate instead of alumina, eliminating problems with pore size reduction and improving efficiency.
Researchers at Universidad Carlos III de Madrid have designed a system that uses hydrothermal biomass carbonisation and solar power to extract more energy from biomass. The system reduces the need for drying pre-treatment, making it more sustainable and efficient.
Washington University researchers have designed a new processing-in-memory (PIM) circuit that can increase PIM computing's performance by orders of magnitude. The circuit uses resistive random-access memory PIM, allowing for analog computations and eliminating the need for digital conversions.
Researchers at Hospital Gregorio Marañón and UC3M developed a navigation system combining surgical navigation, three-dimensional photography, and augmented reality to estimate bone fragment positions during surgery. This system has been used on 7 patients with optimal results, reducing dependency on surgeons' experience.
Researchers will develop game theoretic models to optimize financial incentives for water conservation, exploring socio-spatial dynamics of water sustainability. The project aims to understand how water users' propensities for cooperative behavior vary over time across river networks.
Researchers at University of South Australia are developing a world-first product to design traffic lights that absorb kinetic energy, stopping them from crumpling when hit by a vehicle. The technology has the potential to reduce road safety-related costs and injuries worldwide.
Researchers at Durham University have developed a sugar-containing polymer coating that can repair damaged artificial joint implants by mimicking the way cartilage works to lubricate human joints. The coating uses water to create a slippery surface, protecting the surfaces from wear and tear.
Researchers at Singapore University of Technology and Design found that adding carbon emission labels can influence online shoppers to choose more sustainable shipping options. The study showed that slow shipping options result in lower emissions but longer delivery times, with an 81% reduction in emissions possible.
A comprehensive assessment of polyurethane in the US reveals complexities that affect its recovery and recycling. The study highlights opportunities to enhance circularity and increase bio-based content of polyurethanes.
Researchers have designed a digital camera-based system that can accurately detect jaundice in newborns within one second, sending diagnoses to carers via SMS. The system uses image processing techniques to detect bilirubin levels, triggering blue LED phototherapy and treatment.
The University of Huddersfield's Institute of Railway Research has won a prestigious prize from the Institution of Mechanical Engineers (IMechE) for its 'Low Adhesion Braking Dynamic Optimisation for Rolling Stock' (LABRADOR) simulation tool. This tool allows for the study of specific brake control features and prediction of train brak...
Scientists at ORNL developed a scalable, low-cost method to improve materials joining in solid-state batteries, resolving one of the big challenges in commercial development. The electrochemical pulse method increases contact at the interface without detrimental effects, enabling an all-solid-state architecture.
Researchers from academia and industry will converge at Lehigh University to discuss innovative solutions for optimizing efficiency and resiliency in the global supply chain. The workshop aims to leverage machine learning for prescriptive analytics, enabling proactive optimization of supply chain operations.
A team of engineers at the University of Arizona is using machine learning methods to monitor and mitigate defects in additive manufactured metal parts designed for use in extreme environments. The system combines data processing, process optimization, materials analysis, and machine learning to predict defects.
Optical coherence tomography (OCT) has significant growth potential across various medical applications, including cardiology and dermatology. Miniaturized OCT systems are expected to revolutionize healthcare with compact, mobile, and cost-effective devices.
Researchers from South Ural State University created a hybrid intelligence system that can predict pile bearing capacity with high accuracy. The system, developed by combining adaptive neuro-fuzzy inference system and group method of data handling, outperformed traditional methods and provided close to measured values.
Researchers are developing insect-like robots for agriculture, mining, and space exploration using dynamic force sensing and agile movement. The goal is to create robots that can navigate difficult terrains and interact safely with humans.
A team of researchers at Penn State developed a new approach to personalize fitness tracker messages to improve motivation and physical activity. They used control systems engineering tools to tailor motivational messages based on individual user behavior, weather, and goals. The study aimed to establish the effectiveness of precision ...
Researchers at the University of Virginia and Penn State are developing a new hardware platform called FerroCoDE that can generate solutions for complex problems more efficiently. The platform uses analog computing to exploit the spatial-temporal properties of oscillators and their synchrony.
Researchers at the University of Waterloo developed AI technology that can identify players by their jersey numbers in hockey videos with high accuracy. The system uses multi-task learning and a large dataset of over 54,000 images from NHL games to recognize sweater numbers.
Researchers at JILA have enhanced the sensitivity of their decade-old frequency comb breathalyzer to detect four biomarkers of disease in human breath. The upgraded system can also identify six additional chemicals, with potential implications for COVID-19 testing and real-time health monitoring.
A new model developed by Skoltech researchers optimizes satellite radar system design, balancing performance characteristics with other mission parameters. The study identifies optimal designs for small satellite platforms, particularly in the 8-12 GHz and 4-8 GHz frequency bands.
Researchers have developed a new interface technology that can provide natural sensory feedback from robotic prosthetics to amputees, reducing abnormal sensations and cognitive burden. The innovation uses ultra-small recording sites and molecular guidance cues to stimulate sensory axons selectively, improving control of robotic limbs.
Engineering researchers at Ohio State University developed a method to use Starlink satellite signals to accurately locate positions on Earth, similar to GPS. The accuracy of this technique is comparable to or even surpasses that of GPS, with the potential to be used as an alternative navigation system.
Researchers developed a computational model to optimize the use of additive manufacturing in spare parts supply chains, finding that centralized systems are more efficient for less frequent demand with high variability. The study's findings provide a step forward in understanding how to incorporate AM technologies into supply chains.
Researchers at Tel Aviv University have created a system that enables the production of 'good' bacteria capable of eliminating 'bad' bacteria. This breakthrough technology uses a toxin injection system to target specific types and amounts of toxins, offering an alternative to antibiotics.
The Center for Research on Programmable Plant Systems (CROPPS) aims to integrate plant sciences, engineering, and computer science to improve crop efficiency and sustainability. Researchers will engineer plants that can detect environmental changes and respond to digital signals, leading to more efficient water and nutrient delivery.
Scientists designed loss in optical devices to achieve unconventional physical phenomena, leading to novel methods for optical control and engineering. The team created two whispering gallery mode microresonators with different absorption losses, coupling their fields to achieve coherent perfect absorption.
Research by Binghamton University Assistant Professor Zeynep Ertem found that early social-distancing measures resulted in smaller initial death tolls, but led to larger second waves. The study suggests that different population characteristics, such as urban vs. rural areas, affect disease spread.
Researchers have created a global database of 63 tailings flows since 1928, revealing catastrophic events occur every two to three years on average. The study highlights the importance of understanding water-to-solids ratios and downstream terrain in preventing mass casualties and environmental damage.
Researchers have developed a novel algorithm that improves the speed at which nodes converge on agreement regarding a single data value needed during computation. The technique is based on designing an optimized network topology that reduces communication costs while allowing for adjustable convergence rates.
Scientists at the University of Kent have developed a mathematical formula that describes the shape of any bird's egg in nature. The formula is based on four parameters and can be applied across multiple disciplines, including food research, mechanical engineering, and agriculture.
UMass Lowell students have designed and built a miniature satellite, SPACE HAUC, which will be launched into Earth's orbit this fall. The satellite aims to demonstrate fast data transmission technology, and its success will train the next generation of astronomers and space scientists.
Scientists at the University of Groningen have created a nanopore system that can measure thiamine (vitamin B1) concentration in urine in under a minute. The system uses an engineered thiamine binding protein and can be adapted to measure other important molecules.
Researchers have found exotic topological features in soft matter, a discovery that challenges our understanding of physics. The study reveals that such features are widespread and can be observed in everyday environments, including living organisms.
The robotic white cane system combines depth data with a 2D floor plan map to reduce pose estimation errors. It features a novel 'robotic roller tip' interface that allows for automatic mode-switching, making it easier for visually impaired users to navigate.
Scientists have created a system dubbed "NanoporeTERs" allowing cells to express themselves in a whole new light. These new reporter proteins can detect multiple protein expression levels and shed new light on biological systems, enabling deeper analysis than before.
A team of researchers has created a new algorithm that determines the most efficient route for robots to navigate complex spaces. The RBF-Galerkin method combines two existing approaches to find the optimal solution, surpassing other methods in terms of cost and time efficiency.
Drones are not the only vehicles at the forefront of automating deliveries; researchers have developed a control strategy for ships and partnered tugs to navigate environmental disturbances. The multi-layer, multi-agent control scheme increases efficiency in the shipping process while reducing human error.
Researchers at Duke University have developed a new approach to using sound waves to manipulate tiny particles suspended in liquid in complex ways. The 'shadow waveguide' technique creates a tightly confined, spatially complex acoustic field inside a chamber without requiring any interior structure.
Hailin Li, a WVU engineer, will lead a project to develop a software platform that simulates heavy-duty diesel engines with advanced after-treatment systems. The goal is to improve engine efficiency and reduce exhaust emissions, which will help cut greenhouse gases and pollutants from the transportation sector.
Researchers have developed a way to precisely control defects within active liquid crystals by changing the gradient of activity around them. This can be achieved through pulses of light or chemical composition changes, enabling controlled movement and behavior of these materials.
A new study from Washington University in St. Louis shows that guided by sparsity, silicon neurons learn to pick the most energy-efficient perturbations and wave patterns, enabling an emergent phenomenon of efficient communication between neurons. This research has significant implications for designing neuromorphic AI systems.
Researchers found significant periodic flow velocity fluctuations in fuel injector ignite combustion oscillations, leading to high mechanical stress on the combustion chamber. The findings provide a reasonable answer for why these oscillations occur and have significant implications for preventing fatal damage in critical engines.
The University of Surrey has made significant progress in developing suitable solvents for perovskite inks, which are essential for producing high-quality thin films. This achievement is crucial for improving the power conversion efficiency of perovskite solar cells, as it enables the production of scalable and low-cost devices.
A recent study found that controversial posts on Reddit spread faster and reached more people than noncontroversial posts, with over 60,000 comments on the former. The researchers analyzed over 47,000 posts to understand why controversy can make online content more attention-grabbing.
A new testing capability has been developed at Sandia National Laboratories to simulate multiple environments on a full-scale weapons system, producing richer data and improving test repeatability. This allows engineers to validate weapon design and systems performance more efficiently.
The COVID-19 pandemic accelerated changes in healthcare, including optimized patient flow and the integration of telemedicine. The experience gained will inform future healthcare system improvements.
Five teams have been selected to share $125,000 for developing solutions to reduce byproducts and generate more freshwater from inland desalination plants. The winning teams will receive additional funding and testing opportunities to advance their prototype.
Researchers from the University of Vienna and TU Wien have successfully controlled a large glass sphere's motion at the quantum level using control engineering methods. The experiment, published in Nature, demonstrates the potential for combining quantum physics and control engineering to enable more precise experiments.
Kuo-Chu Chang is developing a knowledge graph-based information sharing system with the US Department of Navy. The project aims to improve communication and collaboration among teams.
Joe Cloud, a UTA doctoral student, has been awarded the prestigious Tau Beta Pi Fellowship for his outstanding research in robotic learning for space and industrial robots. He is working with Assistant Professor William Beksi to develop learning-based methods for safe robot trajectory generation and motion planning.
Researchers from Harvard developed a system harnessing mechanical instabilities in curved beams to create light, compact, and customizable deployable structures. The innovation enables easy deployment of objects into elaborate 3D configurations on various scales.
Researchers at the University of Bristol developed the concept of 'evotype' to capture the evolutionary potential of biosystems. The evotype framework provides a means for bioengineers to control evolution by adjusting variation, function, and selection.
A research group at KAIST successfully produced seven natural rainbow colorants, including carotenoids and violacein derivatives, using engineered Escherichia coli strains. The strategies developed can be applied to the efficient production of other industrially important natural products.
Digital twin technology has the potential to revolutionize healthcare and aerospace by enabling predictive and precision medicine, and enhancing decision-making. However, current digital twins face challenges in scaling, requiring significant investment to overcome technical barriers and improve model accuracy.
A new report recommends implementing the 'Safe System' approach to reduce road deaths and injuries, which has been successful in other countries. The approach prioritizes road design and engineering to minimize mistakes and reduce crash forces.
Distinguished Professor Sang Yup Lee at KAIST was elected as a foreign member of the Royal Society, one of the world's most prestigious national science academies. He is recognized for his pioneering work in systems metabolic engineering and developing micro-organisms for producing fuels, chemicals, and natural compounds.
A machine learning algorithm predicts the life expectancy of critical components in extreme environments. The model is trained on data from electrochemical capacitors operated at temperatures up to 200°C, enabling safe and resilient operations in applications like downhole drilling equipment.