Latest News

South Korea team showcases drone that works as 'flying shopping cart'

South Korean scientists have developed a transport drone flying on multiple versatile rotors that selfcorrect to remain level in flight and can be used as a. flying shopping cart to bring items over irregular terrain such. as stairs.

The prototype established by a Seoul National University of. Science and Innovation team has a cargo platform mounted on top. of a multi-rotor drone and is dealt with by a person using mild. force to assist the hovering airplane.

Members of the team demonstrated the hovering platform with. a manage bar much like one on a push shopping cart moving. items up and down stairs and filling boxes on top as it. hovered mid-air and maintained its balance by using a centre of. mass estimation algorithm.

To move things over irregular surface or stairs when a wheeled. cart can not, the drone responds to human control with what the. developers call a physical human-robot interaction strategy. that expects human intents for smooth flight, said Lee. Seung-jae, professor of mechanical system style engineering.

But the more comprehensive focus of Lee's group is not on developing a. shopping cart to be used over steps, but rather on applications. that would use a drone with dependable horizontal stability. without pitching and rolling.

The Palletrone can be more than a flying shopping cart, he. said, referring to the name the team offered the prototype by. joining the words pallet, which is the platform for freight on. top, and drone.

Lee's group has tested a platform to bring items as much as 3 kg. ( 6.6 pounds), and yields business applications for freight. transportation at such a small weight quickly carried by humans. is restricted.

Still, the mechanism that allows the drone to change. instructions in flight without banking and to preserve level. mindset has applications for delivering sensitive or fragile. payloads, Lee said.

But Lee's team is looking even more ahead for the technology's. prospective usage for uncrewed flying taxis bring human beings and. for drones to be refuelled mid-air, by changing batteries so. the aircraft do not need to return to base for a fresh charge.

Multi-rotor drones are naturally limited in speed and range. compared to fixed-wing drones but have better control and. manoeuvrability, consisting of the capability to hover in flight.

They have actually been used to deliver freight, food and medical. supplies, however commercial applications have actually been restricted mainly. because it is impractical to increase the size of the battery. enough to carry a much heavier payload over a longer distance.

Seoul Tech's work was published in IEEE Robotics and. Automation Letters this year, the publication of the Institute. of Electrical and Electronic devices Engineers based in New York.

(source: Reuters)