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Little Cheetah-Cub Robot Ideal for Big Rescue Missions

Developed by the Swiss Federal Institute of Technology in Lausanne's Biorobotics Laboratory, this 'cheetah-cub robot' is a quadruped prototype robot about the size of a house cat. The robot's strengths all reside in the design of its legs, which stemmed from the careful observation and reproduction of the feline leg. The number of segments – three on each leg – and their proportions are the same as they are on a cat. Springs are used to reproduce tendons and actuators are used to replace muscles. During tests, the cheetah-cub robot was able to run 1.4 meters per second - nearly seven times its body length in one second. Robots developed from this concept could eventually be used in search and rescue missions or for exploration in rough terrain.

Topics:
Automation Defense Motion Control Motors & Drives Robotics

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    Transcript

    00:00:04 we're developing cheetak cab robot which is robot of about the size of a house cat um we're looking also into biomechanics uh We've developed it for very fast Locomotion in this case we mimicked a lot of the morphology of a house cat uh so we use the segmented leg design for both the front and the hind leg we're using Springs as a replacement for tendons uh we're using actuators uh

    00:00:24 per leg as a replacement for the muscles and eventually the goal is to have a robot which is easy to use it's very robust uh it's very fast and eventually it's it's also very dynamically running and kind of naturally running the sum of mology and control enables us to run this robot very fast so up to 1.4 m/ second this is about seven body lengths per second uh besides this very fast

    00:00:47 speed it's also very robust so we can have the robot running over step down obstacles of up to 20% of its leg length and the very big potential for Leed robots is um application or applications in rough terrain like exploration applications for example you can think of a human or you can think of an animal which is climbing through the mountains it's much much harder for an for a

    00:01:07 machine with wheels or with tracks to to do this type of terrain of course this research is very we're still at a very basic step um but this is definitely one of the goals