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 by Staff Writers London, UK (SPX) Mar 07, 2022
The flexible arm, which was designed and created at Imperial College London, can twist and turn in all directions, making it readily customisable for potential applications in manufacturing, spacecraft maintenance, and even injury rehabilitation. Instead of being constrained by rigid limbs and firm joints, the versatile arm is readily bendable into a wide variety of shapes. In practice, people working alongside the robot would manually bend the arm into the precise shape needed for each task, a level of flexibility made possible by the slippery layers of mylar sheets inside, which slide over one another and can lock into place. However, configuring the robot into specific shapes without guidance has proven to be difficult for users. To enhance the robot's user-friendliness, researchers at Imperial's REDS (Robotic manipulation: Engineering, Design, and Science) Lab have designed a system for users to see in AR how to configure their robot. Wearing mixed reality smartglasses and through motion tracking cameras, users see templates and designs in front of them superimposed onto their real-world environment. They then adjust the robotic arm until it matches the template, which turns green on successful configuration so that the robot can be locked into place. Senior author of the paper Dr Nicolas Rojas, of Imperial's Dyson School of Design Engineering, said: "One of the key issues in adjusting these robots is accuracy in their new position. We humans aren't great at making sure the new position matches the template, which is why we looked to AR for help. "We've shown that AR can simplify working alongside our malleable robot. The approach gives users a range of easy-to-create robot positions, for all sorts of applications, without needing so much technical expertise." The researchers tested the system on five men aged 20-26 with experience in robotics but no experience with manipulating malleable robots specifically. The subjects were able to adjust the robot accurately, and the results are published in Robotics and Automation Magazine. Although the pool of participants was narrow, the researchers say their initial findings show that AR could be a successful approach to adapting malleable robots following further testing and user training.
Bent into shape Co-first authors PhD researchers Alex Ranne and Angus Clark, also of the Dyson School of Design Engineering, said: "In many ways it can be seen as a detached, bendier, third arm. It could help in many situations where an extra limb might come in handy and help to spread the workload." The researchers are still in the process of perfecting the robot as well as its AR component. Next, they will look into introducing touch and audio elements to the AR to boost its accuracy in configuring the robot. They are also looking into strengthening the robots. Although their flexibility and softness makes them easier to configure and maybe even safer to work alongside humans, they are less rigid while in the locked position, which could affect precision and accuracy. "Augmented Reality-Assisted Reconfiguration and Workspace Visualization of Malleable Robots: Workspace Modification Through Holographic Guidance" by Alex Ranne, Angus Benedict Clark and Nicolas Rojas, published January 2022 in IEEE Robotics and Automation Magazine.
Research Report: "Augmented Reality-Assisted Reconfiguration and Workspace Visualization of Malleable Robots: Workspace Modification Through Holographic Guidance"
Amazon opens Luna video game streaming to anyone in US San Francisco (AFP) March 1, 2022 Amazon launched its Luna video game streaming service for the general public on Tuesday in the United States, aiming to expand its multi-pronged empire into the booming gaming industry. Luna allows players to access games directly online with no need for a console as part of the cloud gaming technology that is seen as a future direction of the industry. "Luna harnesses the power of the cloud, enabling customers to instantly play high quality, immersive games on the devices they already own," Ama ... read more
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