Current Unmanned Aerial Vehicles News and Events

Current Unmanned Aerial Vehicles News and Events, Unmanned Aerial Vehicles News Articles.
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Agile underwater glider could quietly survey the seas
Autonomous underwater vehicles have become versatile tools for exploring the seas. But they can be disruptive to the environment or have trouble traveling through confined spaces. Purdue University researchers are studying an alternative: highly maneuverable, low-cost underwater gliders that operate silently. (2021-02-23)

What impact will robots and autonomous systems have on urban ecosystems?
Unmanned aerial vehicles (drones), autonomous cars, robots that can repair urban infrastructure and wireless sensor networks used for monitoring, etc. are just some of the devices that will spring up all over our cities in a few years. They have a wide range of potential applications, such as autonomous transport, waste collection, infrastructure maintenance and repair, surveillance and precision agriculture, among others. However, we must also consider the impact these technologies will have on urban biodiversity and its ecosystems in the future. (2021-02-19)

Should Uber and Lyft be electrifying more vehicles?
Increases in air pollution and greenhouse gas emissions caused by ridesourcing impact human health and the environment--what happens when companies shoulder that cost? (2021-02-19)

The effects of picking up primary school pupils on surrounding street's traffic
The objective of this study is to find out factors affecting the picking up of pupils at primary school by evaluating the typical primary schools in Hanoi city. (2021-02-16)

3D model shows off the insides of a giant permafrost crater
Researchers from Skoltech have surveyed the newest known 30-meter deep gas blowout crater on the Yamal Peninsula, which formed in the summer of 2020. They piloted the drone used for crater surveillance; that was the first time a drone flew inside the crater for ''underground aerial survey'' 10 to 15 meters below ground, running the risk of losing the aircraft. (2021-02-16)

Army researchers expand study of ethics, artificial intelligence
The Army of the future will involve humans and autonomous machines working together to accomplish the mission. According to Army researchers, this vision will only succeed if artificial intelligence is perceived to be ethical. (2021-02-16)

Electricity source determines benefits of electrifying China's vehicles
Researchers have concluded air quality and public health benefits of EVs -- as well as their ability to reduce carbon emissions -- in China are dependent on the type of transport electrified and the composition of the electric grid. (2021-02-16)

In predicting shallow but dangerous landslides, size matters
Scientific understanding of landslides has improved immensely in the last few decades, but models that predict which areas could slide during specific storm events overpredict, forcing government agencies to evacuate unnecessarily large areas. UC Berkeley geoscientists have created improved models that more narrowly pinpoint the most hazardous areas, but they've run up against a wall: they need data about what lies between the soil surface and bedrock, something current techniques like LiDAR cannot adequately provide. (2021-02-15)

The vertical evolution of volatile organic compounds vary between winter and summer
Scientists have discovered that pollution concentration varies between seasons. A new study, conducted in the North China Plain, determined where volatile organic compounds (VOCs) are distributed within the vertical layers of the atmosphere, and found notable changes from winter to summer. (2021-02-15)

Drone-based photogrammetry: A reliable and low-cost method for estimating plant biomass
Remote sensing technology has become an increasingly common tool used to measure plant productivity without the need for costly and time-consuming field-based measurements. However, the equipment typically used to remotely measure vegetation has remained prohibitively expensive. Here, researchers used a low-cost drone and camera to create a photomosaic of a tallgrass ecosystem. By comparing their results with measurements collected in the field, they demonstrate that photogrammetry is an accurate and reliable method of estimating biomass. (2021-02-12)

UrFU Mathematician's new methods for solving optimal control problem of objects
Yurii Averboukh, associate professor, Department of Applied Mathematics and Mechanics, Ural Federal University, senior researcher, Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences, published his article ''A stability property in mean field type differential games'' in the Journal of Mathematical Analysis and Applications (2021-02-12)

Artificial emotional intelligence: a safer, smarter future with 5G and emotion recognition
The combination of new 5G communication technologies with AI-based systems are ushering in a ''smart generation'' of vehicles, drones, and even entire cities. Now, researchers take things one step further by introducing a 5G-assisted emotion detection system that uses wireless signals and body movement. In their latest publication, they outline its working principle, application prospects, and potential security threats, highlighting the need for a robust, impregnable AI algorithm to drive it. (2021-02-11)

Solar awnings over parking lots help companies and customers
Michigan Tech engineers look into the untapped potential of parking lots in a study that investigates the energy-related benefits of developing charging stations powered with solar canopies built into the parking infrastructure of large-scale retailers like Walmart. (2021-02-10)

From trash to treasure: Silicon waste finds new use in Li-ion batteries
Researchers at Osaka University used Si swarf and ultrathin graphite sheets to fabricate Li-ion battery electrodes with high areal capacity and current density at a reduced cost. Increasing generation of Si swarf as industrial waste and potential use of the high-performance batteries in electronic vehicles will allow their work to contribute to reduced greenhouse gas emissions and the achievement of SDGs. (2021-02-09)

The pandemic lockdown leads to cleaner city air across Canada, Concordia paper reveals
Researchers at Concordia University found that emission levels dropped dramatically over the course of the pandemic. They measured downtown air quality monitoring station data from eight Canadian cities and compared their concentration levels of nitrogen dioxide, carbon monoxide and sulfur dioxide between February and August 2020 to the figures recorded over the same period in 2018 and 2019. They also used satellite imagery and urban transportation fuel consumption figures to investigate emissions traffic congestion data provided by tracking technology embedded in phones and cars worldwide. (2021-02-09)

Dragonflies perform upside down backflips to right themselves
High speed cameras and CGI technology have revealed the inbuilt righting mechanisms used by dragonflies when they are thrown off balance. (2021-02-09)

How humans can build better teamwork with robots
Nancy Cooke is a cognitive psychologist and professor of human systems engineering at the Polytechnic School at Arizona State University (ASU). She explores how an artificial intelligence agent can contribute to team communications failure, and how to improve those interactions, in her discussion at the annual meeting of the American Association for the Advancement of Science (AAAS). (2021-02-08)

MARLIT, artificial intelligence against marine litter
Floating sea macro-litter is a threat to the conservation of marine ecosystems worldwide. The largest density of floating litter is in the great ocean gyres -systems of circular currents that spin and catch litter- but the polluting waste is abundant in coastal waters and semi closed seas such as the Mediterranean. (2021-02-04)

Drone and landsat imagery shows long-term change in vegetation cover along intermittent river
In the Namib Desert in southwestern Africa, the Kuiseb River, an ephemeral river which is dry most of the year, plays a vital role to the region. It provides most of the vegetation to the area and serves as a home for the local indigenous people, and migration corridor for many animals. The overall vegetation cover increased by 33% between 1984 and 2019, according to a Dartmouth study published in Remote Sensing. (2021-02-03)

People blame a vehicle's automated system more than its driver when accidents happen
A new study in the journal Risk Analysis found that people are more likely to blame a vehicle's automation system and its manufacturer than its human driver when a crash occurs. (2021-02-02)

Batteries that can be assembled in ambient air
POSTECH-Ulsan College joint research team develops a multi-functional separator membrane that traps impurities in the air. Opens the possibility of a battery manufacturing environment that reduces processing costs without a dry room. (2021-02-01)

Tesla's advantage: EVs cannot succeed without developing parallel supercharging networks
What has Tesla done right and where have other electric vehicle makers gone wrong? (2021-02-01)

Listening to the call of the wild: Tracking deer movements using sound
Researchers from The University of Tokyo built a prototype system for monitoring deer populations in the wild using sound recording devices in a grid formation. As the sound recording devices are powered by solar panels and synchronize their internal clocks with GPS satellites, they are suitable for unmanned monitoring. Two trials of the system indicated that it is more accurate and convenient than previous methods of monitoring deer and other ungulates. (2021-01-28)

US must unify atmospheric biology research or risk national security, scientists say
Global circulating winds can carry bacteria, fungal spores, viruses and pollen over long distances and across national borders, but the United States is ill-prepared to confront future disease outbreaks or food-supply threats caused by airborne organisms, says a new paper published in the Ecological Society of America's journal Ecological Applications. (2021-01-28)

Optical scanner design for adaptive driving beam systems can lead to safer night driving
In a recent study published in the Journal of Optical Microsystems, researchers from Japan have come up with an alternative to conventional adaptive driving beam systems: a microelectromechanical systems (MEMS) optical scanner that relies on the piezoelectric effect of electrically induced mechanical vibrations. (2021-01-27)

Turbulence model could enhance rotorcraft, munitions performance
Design of Army aerial vehicles and weapon systems relies on the ability to predict aerodynamic behavior, often aided by advanced computer simulations of the flow of air over the body. High-fidelity simulations assist engineers in maximizing how much load a rotorcraft can lift or how far a missile can fly, but these simulations aren't cheap. A new turbulence model could change that (2021-01-25)

Smooth touchdown: novel camera-based system for automated landing of drone on a fixed spot
While autonomous drones can greatly assist with difficult rescue missions, they require a safe landing procedure. In a new study, scientists from Shibaura Institute of Technology (SIT), Japan, have demonstrated automated drone landing with a simple 2D camera guiding the drone to a symbolized landing pad. The guiding camera can be further improved to include depth-related information, paving the way for novel applications in indoor transportation and inspection. (2021-01-21)

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety
Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of Penn State engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes. (2021-01-18)

Giving the hydrogen economy an acid test
Tsukuba University scientists show that the effectiveness of hydrogen-producing metal catalysts protected by graphene depends on the ability of protons to penetrate into the inner metallic surface. This work may lead to widely available hydrogen-powered cars. (2021-01-14)

The meat of the matter: Environmental dissemination of beef cattle agrochemicals
A recent Point of Reference article, ''The meat of the matter: Environmental dissemination of beef cattle agrochemicals,'' published in Environmental Toxicology and Chemistry, points at synthetic chemical cocktails being emitted from cattle feed yards into the environment and how they can impact our ecosystem and our health. (2021-01-13)

UCF researchers use advanced light to reveal how different biofuels behave
Vehicles have evolved to become more efficient and sophisticated, but their fuel hasn't necessarily evolved along with them. The Department of Energy is determined to identify cleaner burning and renewable alternatives to gasoline, and through the work of two UCF researchers, the DOE is one step closer to that goal. (2021-01-12)

Using light to revolutionize artificial intelligence
An international team of researchers, including Professor Roberto Morandotti of the Institut national de la recherche scientifique (INRS), just introduced a new photonic processor that could revolutionize artificial intelligence, as reported by the prestigious journal Nature. (2021-01-11)

Positive 'tipping points' offer hope for climate
Positive 'tipping points' could spark cascading changes that accelerate action on climate change, experts say. (2021-01-10)

Study reveals jellyfish create a 'virtual wall' to enhance performance
New discovery finds that Jellyfish create a ''ground effect,'' similar to how air squeezes between an airplane and ground during take-off, which builds pressure and a force that boosts performance. Never before has it been proven that an animal can create this phenomenon away from a solid boundary, let alone the open ocean. (2021-01-08)

When Uber and Lyft enter cities, vehicle ownership increases
When ridesourcing companies Uber and Lyft show up in urban areas, vehicle registrations per capita increase by 0.7% on average, increasing even more in car-dependent cities. Researchers made this discovery by analyzing data from major US cities between 2011 to 2017, comparing trends in cities where Uber and Lyft entered with those where they didn't. They also found that Uber and Lyft displace transit more in cities with higher income and fewer children. (2021-01-06)

Light-based processors boost machine-learning processing
An international team of scientists have developed a photonic processor that uses rays of light inside silicon chips to process information much faster than conventional electronic chips. Published in Nature, the breakthrough study was carried out by scientists from EPFL, the Universities of Oxford, M√ľnster, Exeter, Pittsburgh, and IBM Research - Zurich. (2021-01-06)

A robotic revolution for urban nature
Drones, robots and autonomous systems can transform the natural world in and around cities for people and wildlife. (2021-01-04)

Super surfaces
Assembling tiny chips into unique programmable surfaces, Princeton researchers have created a key component toward unlocking a communications band that promises to dramatically increase the amount data wireless systems can transmit. (2021-01-04)

Discovery of 66 new Roman Army sites shows more clues about one of the empire
The discovery of dozens of new Roman Army sites thanks to remote sensing technology has revealed more about one of the empire's most infamous conflicts. (2020-12-21)

Waste to treasure: Crayfish shells to store energy
Other than a spicy night snack, the crayfish has been endowed with greater significance. Prof. ZHU Xifeng's team from University of Science and Technology of China made it possible to use crayfish shell as the biological template for high-performance supercapacitors. (2020-12-21)

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