Vaccination in pharmacies is being implemented by Le 7

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Its appearance is like a snake, its movements resemble those of a snake, but it is in reality a… robot. At the beginning of April, Poitevin researchers from the Co-biotic, bioengineering and robotics for assistance (CoBRA, aptly named) team launched a prototype of a snake robot into the water for the first time in a specially designed pond. of the Futuroscope Technopole. The result is stunning. “It is the first robot in the world without rigid articulation, which allows it to perform fluid undulations,” underlines Professor Med Amine Laribi, head of the team attached to the Prime Institute. Battery, motors and electronics are on board inside, it can swim completely independently. Waterproofing is therefore also a big challenge. » To achieve such similarities, the roboticists were inspired by real snakes and vipers studied by the Chizé Center for Biological Studies (Deux-Sèvres). With the help of herpetologist Xavier Bonnet, they equipped the reptiles with markers all over their bodies. Then with ultra-sensitive cameras, scientists captured images of their movements to better model them (find our video on le7.info). Remember! In the past, the sporting gestures of the PB86 basketball players or even the skater Brian Joubert had already been deciphered in this way. “We are currently comparing the movements of the robot and the real snake, the first results are rather favorable. » Towards a new mode of propulsion This work, funded by the National Research Agency, is carried out by several doctoral students, one of whom, Elie Gautreau, is directly attached to the CoBRA team. Around them, a multidisciplinary consortium of experts in biology, physics, fluid mechanics and robotics is working on the question.. The purpose of these investigations is first of all to fuel fundamental research. “We want to understand how the snake manages to move with such hydrodynamic efficiency,” continues Professor Laribi. In other words, how the reptile manages to cut through the water while ignoring the forces of resistance that all swimmers know well. The characteristics of the reptile’s skin will also be studied. In the longer term, very concrete applications could well emerge from these observations. And why not a new, more energy-efficient mode of propulsion for civil or military submersibles?All the details onanr-dragon2.cnrs.fr http://anr-dragon2.cnrs.fr”>anr-…;. More information :http://www.7apoitiers.fr/article/23495-l…