pneupard: a cheetah robot with artificial muscles

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pneupard: a cheetah robot with artificial muscles
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pneupard: a cheetah robot with artificial muscles
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'pneupard': a cheetah robot with artificial muscles by andre rosendo

 

 

led by osaka university phd student andre rosendo, and bachelor shogo nakatsu, the aim of 'pneupard' is to
replicate feline structure to better understand how cheetahs can excel in so many different areas in locomotion.
after grasping their secret, it would be possible to apply the knowledge to make faster and more stable robots.

 

when compared to other current mechanical animals, none have been able to perform on a balanced treadmill
walking only by adopting muscle signals (known as EMG) from cats into a robot. it is the belief that the
secret for animal locomotion does not lie on higher computational power (bigger brains), but in self-stable
structures - as cats have 30 gram brains, and approximately the same number of leg muscles as humans in
heir hind limbs. to better understand the animal, limb lengths are replicated and muscle momentum in the
arms and range of motion is recreated.

 

 

pneupard: a cheetah robot with artificial muscles
video courtesy adaptiverobot

 

 

by using pneumatic artificial muscles - made of a rubber tube surrounded by a nylon sheath, which contracts when filled with air,
the full robot will have 38 active muscles in a lightweight structure of less than 7 kilograms, which will be achieved with carbon,
3D printed ABS parts and CNC machined magnesium.

 

'the video demonstrates the robot walking on the treadmill with the hind limbs attached to a sliding structure. the only sensor
aiding the mechanical cheetah during the walk are force sensors on the tip of the limb. in the future, a spine will be attached,
reproducing different gait patterns. as there still isn't a target for maximum speed, a bio-mimetic platform will allow to make
lighter and faster robots, working as a stepping stone for future targets.'

 

 

CAD dwg of pneupard

 

 

CAD dwg of pneupard

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