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We have developed several innovative designs for a new kind of robot that uses a continuous wave of peristalsis for locomotion, the same method that earthworms use. Because constant-velocity peristaltic waves form due to accelerating and decelerating segments, it has been often assumed that this motion requires strong anisotropic ground friction. However, our analysis shows that with uniform, constant velocity waves, the forces that cause accelerations within the body sum to zero. Instead, transition timing between aerial and ground phases plays a critical role in the amount of slippage, and the final robot speed.

[via core77]

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net


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Comments

  1. MÃ¥rten says:

    This looks like it could be really useful, and uses a fairly simple mechanism!

  2. Jerry Carter says:

    Would make a great mine sweeper, sapper, or tool for delivering payloads of significant military value. Make it silent, self powered and self guiding and you’ll rule the city from its sewers. I can see B-movie scripts congealing now.

  3. gjkglfdjgkldfjl says:

    very nice!