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Reuters Kim Seung-hwan demonstrates the prototype of exoskeleton WalkON Suit F1 robot, in Daejeon, South Korea, on Nov. 27.
Reuters
16:38 JST, January 8, 2025
DAEJEON, South Korea (Reuters) — South Korean researchers have developed a lightweight wearable robot that can walk up to paraplegic users and lock itself onto them, enabling them to walk, maneuver obstacles and climb staircases.
The Exoskeleton Laboratory team at the Korea Advanced Institute of Science and Technology (KAIST) said their goal is to create a robot that seamlessly integrates into the daily lives of individuals with disabilities.
Kim Seung-hwan, who is himself a paraplegic and part of the KAIST team, demonstrated the prototype which helped him walk at a speed of 3.2 kph, climb a flight of stairs and take sideways steps to slide into a bench.
“It can approach me wherever I am, even when I’m sitting in a wheelchair, and be worn to help me stand up, which is one of its most distinct features,” Kim said.
The powered exoskeleton, named WalkON Suit F1, features aluminum and titanium composition to weigh in at 50 kilograms, and is powered by 12 electronic motors that simulate the movements of human joints while walking.
Park Jeong-su, another member of the KAIST team, said he was inspired by the movie “Iron Man.” “After watching Iron Man, I thought it would be great if I can help people with a robot in real life.”
To ensure the user’s balance while walking, the robot is equipped with sensors on its soles and in the upper body that monitor 1,000 signals per second and anticipate the user’s intended movements.
Lenses on the front of the robot work as eyes which analyze its surroundings, identify the height of stairs and detect obstacles to compensate for the lack of sensory ability of users with complete paraplegia, Park said.
Kim Seung-hwan won the gold medal while wearing the WalkON Suit F1 in the exoskeleton category at Cybathlon 2024, which saw developers with varying physical disabilities demonstrate assistive robots in eight categories.
“I wanted to tell my son … that I also used to able to walk. I wanted to share a diverse range of experiences with him,” said Kim.
