Robot Description
Cheetah-Cub-S is a hybrid robot that combines the pantographic leg design of Cheetah-Cub with a flexible spine. It thus gains the ability to steer. The spine can bend laterally much like a spine of lizards and is actuated by a single motor located in the middle between fore and hind trunk segments. Cheetah-Cub-S can turn with a radius of 0.5m and a speed of 0.35m/s with a non-optimized gait, taken from Cheetah-Cub. Higher turning-speeds should be achievable with the optimization of the slipping behavior. The steering is not limited to one fixed radius at the time, that was confirmed by letting the robot run a slalom with different turning radii. Additional experiments classified the payload capacity of the robot. Another comparison study with Cheetah-Cub was done in which without a spine and abduction/adduction was investigated.
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Feel free to use pictures and movies without prior permission, provided they are credited as follows:Biorobotics Laboratory, EPFL. Please contact us by email at massimo.vespignani at epfl.ch or auke.ijspeert at epfl.ch if you would like additional information or higher resolution videos.