Four-legged robot with magnetic feet can climb on buildings and metal structures (video)

Four-legged robot with magnetic feet can climb on buildings and metal structures (video)

Description of Marvel. (a) MARVEL holds onto a steel storage tank. (b) Marvel Electronic Architecture. (c) MARVEL mechanical and electronic components. attributed to him: Robotics science (2022). DOI: 10.1126/scirobotics.add1017

A trio of researchers at the Korea Advanced Institute of Science and Technology, working with a colleague at the University of Illinois at Urbana-Champaign, designed and built a four-legged working robot with magnetized feet that can climb up the walls and ceilings of metal buildings and structures.

In their paper published in the journal Robotics scienceAnd Seungwoo Hong, Yong Um, Hae-Won Park, and Jaejun Park describe Robot and how well it works when tested in real-world conditions.

Such as technology Used to build robots, engineers are finding more ways to use them. In this new effort, the researchers set out to build a robot that could help Maintenance work On large metal structures such as bridges, oil tanks, and some buildings. They built a four legged robot that can walk on Flat surfacethen approach the wall and walk straight across the side like a spider – then continue through the ceiling if necessary.






Brief video explaining the agile and versatile climbing with MARVEL. Credit: Seungwoo Hong et al, Rapid and Versatile Climbing on Ferromagnetic Surfaces Using a Four-legged Robot, Science Robotics (2022). DOI: 10.1126/scirobotics.add1017

The robot used both ferroplastics and electromagnets. Together, they allow the robot’s feet to magnetize and demagnetize on demand. By turning magnetism on and off, the robot is able to stick one foot in a vertical spot on a wall and cling to it while the others are pinned down. feet They are adhered to – then left one foot at a time to take the steps.

The researchers also had to program the robot to allow the climb to begin first and then move around or over obstacles. For this, they mimicked the way a cat tests a surface before moving forward, taking small first steps with its front paws before adding the movement of its hind paws.

Testing showed that the robot is able to climb metal walls and walk across ceilings in their test lab. Additional tests showed that the robot was able to climb an old outdoor storage tank with orange walls with rust.

The four-legged robot with magnetized feet can climb buildings and metal structures

Marvel performs various action missions. (A) Turning motion on a vertical wall. (b) Inverting movement on the roof. (c) Crossing a gap (10 cm) and an obstacle (5 cm). (d) Transition from floor to wall and from wall to ceiling. (e) Vertical movement on a storage tank where the surface is covered with paint, rust and dust. (f) He carried (left) a 2 kg load on a wall and (right) a 3 kg load on a ceiling. attributed to him: Robotics science (2022). DOI: 10.1126/scirobotics.add1017

Not only was he able to climb the tank, but he was able to climb over areas lacking metal and move around obstacles. It was also found to be able to carry a load of up to 3 kg. It moves at variable speeds depending on the terrain with a maximum speed of 0.7/ms.

more information:
Seungwoo Hong et al, Rapid and Versatile Climbing on Ferromagnetic Surfaces Using a Four-legged Robot, Robotics science (2022). DOI: 10.1126/scirobotics.add1017

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