Pleurocystitid was a marine organism that existed virtually 450 million years in the past, lengthy earlier than the primary dinosaurs. Scientists have now constructed a soft-bodied robotic reproduction of it, which may encourage new strategies of locomotion for future robots.
Along with its bizarre look, pleurocystitid is understood for being one of many first echinoderms to be able to motion through a muscular stem-like appendage. Present-day members of the echinoderm class embrace starfish, sea urchins, sand {dollars} and brittle stars.
Led by professors Phil LeDuc and Carmel Majidi, scientists at Carnegie Mellon University’s Department of Mechanical Engineering just lately got down to see precisely how pleurocystitid used its stem to maneuver throughout the ocean flooring. Utilizing fossils as a information, they proceeded to construct a (partially) soft-bodied robotic pleurocystitid with a versatile motorized swishing stem.
When the “paleobionic” system was examined within the lab, the researchers found that broad sweeping actions of the stem labored greatest for pushing the robotic ahead. What’s extra, it was additionally discovered that growing the size of the stem considerably boosted the robotic’s velocity with out utilizing any further power.
The findings may in the end be used to information the design of robots that rapidly however effectively transfer throughout the ocean flooring or comparable environments. And in fact, the research additionally supplies helpful insights into how marine organisms’ strategies of locomotion have modified over tens of millions of years.
“Bringing a brand new life to one thing that existed almost 500 million years in the past is thrilling in and of itself, however what actually excites us about this breakthrough is how a lot we can be taught from it,” stated LeDuc.
The robotic might be seen in motion, within the video beneath.
Phil LeDuc and Carmel Majidi: Paleobionics: Robotics Inspired by Extinct Species
Source: Carnegie Mellon University