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MIT’s Oystamaran robotic might enhance the oyster-farming business


There are a number of strategies of oyster farming, one among which includes elevating the molluscs in baggage that float on the ocean’s floor. These heavy baggage must be incessantly flipped over, so a staff of MIT college students has designed an “Oystamaran” robotic to make the job simpler.

Though they’re described as baggage, the oyster-raising cages are extra like flat, sq. mesh pens with cylindrical floats on two reverse sides.

As the luggage sit within the water, marine organisms akin to barnacles and algae accumulate on their undersides. Flipping them over exposes these organisms to the daylight and air, to allow them to be chipped off as soon as they’ve dried out. Doing so retains the organisms from accumulating to the purpose that they block water movement by means of the luggage, which is important to the oysters’ survival.

A kayaker flips oyster-farming baggage within the conventional trend

John Freidah, MIT MechE

The MIT mission started when marine biologist Dan Ward – who owns the Ward Aquafarms oyster-farming firm in Cape Cod – instructed Prof. Michael Triantafyllou how the two,000-plus baggage at his farms need to be flipped about 11 instances a 12 months. At the moment, the duty is carried out by staff in kayaks, who wrestle to maintain their steadiness whereas flipping baggage that may weigh as much as 70 lb (32 kg) as soon as the oysters are mature.

Looking for a much less labor-intensive various, a staff of Triantafyllou’s ocean engineering college students set about creating a bag-flipping robotic. Led by Michelle Kornberg (who has since graduated), they created the Oystamaran electrical catamaran.

The system begins by straddling a bag between its pontoons. It then makes use of a hooked robotic arm to achieve down and grasp the float on one aspect of the bag, after which it pulls that arm again up and to the opposite aspect, lifting and flipping the bag within the course of.

The Oystamaran not only has to spot and flip bags, but it also has to "wiggle" along between rows of them
The Oystamaran not solely has to identify and flip baggage, however it additionally has to “wiggle” alongside between rows of them

Lauren Futami, MIT MechE

Though the robotic presently performs a lot of its work by real-time distant management, the scholars are engaged on making it totally autonomous. It’ll then use one forward-facing digital camera to initially establish and make its approach over to every bag, after which it is going to use a downward-facing digital camera to align itself over the bag and carry out the flip.

It’s hoped that when developed additional – maybe by an business accomplice – the know-how might assist oyster farmers to extend their output, whereas additionally fostering curiosity within the discipline of aquaculture robotics.

“Simply by displaying the way in which, this can be the primary of a lot of robots,” says Triantafyllou. “It’ll appeal to expertise to ocean farming, which is a superb problem, and in addition a profit for society to have a dependable means of manufacturing meals from the ocean.”

The Oystamaran may be seen in motion, within the following video.

Automating aquaculture with robots

Supply: MIT



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