RoboTurtle - AUV new propulsion system
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Loading ...The RoboTurtle, described as an “agile and aggressively maneuvering biomimetic autonomous underwater vehicle,” with its oscillating foils maybe opening up new avenues for propulsion. The foils allow RoboTurtle named Finnegan to enjoy a high degree of maneuverability in confined spaces and high speed in open water, which is key for an AUV which will switch between traversing bodies of water and exploring underwater wrecks.
Check out the video below
The primary benefit of flapping foils, says Triantafyllou, is a greatly increased level of control. “These fins allow you to generate large transient forces very quickly, which you cannot do with propellers,” he explains. That means that the Roboturtle, confronted with a strong wave or swift current, can use its fins to steady itself, making it ideal for operating in shallow waters with big waves, in swift currents, or where currents change very quickly. And for areas such as coral reefs or thermal vents, where a close inspection and fast retreat can be key.
Via Dvice
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The turtle looks cool the oscillating fins seem to work OK but i still think it could be better like the fins they could maybe much much faster in oscillation like a a humming bird the movements would be more precise and the speed would increase considerably and less expensive to produce because the huge rolling shoulders which the fins are connected wouldn’t be required and a whole bunch of electronics