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Whereas AUVs (autonomous underwater automobiles) are sometimes used for scientific research, they’re typically additionally utilized in additional secretive functions, comparable to surveillance and reconnaissance. A brand new system helps disguise their location, by having them deploy a micro-AUV.
Despite the fact that some AUVs are able to travelling deep underwater for days at a time, they nonetheless need to floor each time it is time to transmit gathered information to their customers – it is because radio waves do not journey nicely via the water. Whereas the craft is floating on the floor, there’s an opportunity that it could possibly be noticed by the people who find themselves being spied on.
That is the place the micro-AUV is available in.
It was designed by British firm ecoSUB Robotics, and has been experimentally put in on an current hydrogen-fuel-cell-powered Solus-LR AUV, made by Canada’s Cellula Robotics. The latter craft can descend to a depth of three,000 m (9,843 ft), journey at a high velocity of two meters (6.6 ft) per second, and canopy a distance of as much as 2,000 km (1,243 miles) with out refuelling.
The Solus-LR host AUV measures 8.5 m lengthy by 1 m broad (27.9 by 3.3 ft)
In a nutshell, the micro-AUV permits the Solus-LR to transmit information with out surfacing, because the smaller craft could be deployed by the bigger one whereas it is nonetheless submerged.
As a substitute of simply popping straight to the floor like a buoy, the micro-AUV independently travels underwater for as much as a number of miles – away from the Solus-LR – earlier than surfacing. As a result of it is a lot smaller than its host automobile, it is a lot much less more likely to be noticed. Even when it is seen, nevertheless, its floor location will not give away the Solus-LR’s present underwater location.
Moreover, it merely sinks to the seabed after making its transmission, so it may’t be adopted again to its host. And sure, that does imply it turns into a type of marine litter.
The Solus-LR heads out into Indian Arm inlet
In a check of the system performed final month at Indian Arm inlet within the metropolis of Vancouver, the specifically geared up Solus-LR efficiently deployed its micro-AUV whereas submerged and underway. That micro-AUV proceeded to navigate to a special location, the place it surfaced and transmitted a standing message to an offsite command heart by way of Iridium satellite tv for pc communications.
The know-how was developed by Cellula and ecoSUB as a part of their work with the SeaWolf AUV Venture, run by Australian defence firm Trusted Autonomous Techniques.
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