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Sonardyne and Wavefront demonstrate XLUUV obstacle avoidance

11th November 2021 - 12:02 GMT | by Harry Lye in London

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The Msubs S201 XLUUV. (Photo: Sonardyne)

DASA is testing commercial-off-the-shelf technologies on a supersized uncrewed underwater vessel.

Sonardyne and Wavefront have demonstrated underwater obstacle avoidance technology on the MSubs built and operated extra-large uncrewed underwater vehicle (XLUUV).

The Vigilant forward-looking sonar was tested as part of the first phase of the UK Defence and Security Accelerator’s (DASA's) ‘Uncrewed Underwater Vehicle Testbed – Opportunity to Integrate’ competition.

For the trial, the Vigilant sonar projector and receiver array were mounted in the bow of the S201 XLUUV and used to create a bathymetric map used by the submersible to navigate. 

Data from the sensor was also overlaid with existing charts of the area beyond the breakwater outside Plymouth Sound,

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