A Spider-Inspired Robot Built to Save Drowning Victims
When someone falls into the water and cannot swim to safety, every second matters. Search-and-rescue teams already use drones, boats, and other robotic systems to help locate people in distress, but most of these autonomous vehicles stop short of performing the actual rescue, wasting critical time. A new spider-inspired robot called QuadBoat aims to change that by not only finding victims, but also retrieving them from the water and transporting them to safety.
QuadBoat takes its inspiration from fishing spiders. These arachnids are able to move quickly across calm water thanks to long, water-repellent legs that distribute their weight over the surface. Rather than attempting to leverage surface tension alone, the researchers adapted the concept into a buoyancy-based unmanned surface vehicle with four articulated legs that provide both stability and maneuverability.
The mechanical design (📷: L. Zhang et al.)
Unlike many existing rescue boats that primarily deliver flotation devices or...
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