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ecoSUB news

100% Sound Velocity Profile Data from ecoSUB

17/12/2018

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Royal Navy supports successful trial of new micro-robots – ecoSUB provides 100% data for MASSMO 5b

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The plot here shows a three hour mission at 100m with SVP data acquired throughout with a down-cast and up-cast at the start and finish of the mission clearly showing the depth of the thermocline.   A complete SVP profile can be sent in a single Iridium SBD message due to some clever compression techniques.
Click here for details
ecoSUB, has been successfully trialled in the North Sea off Orkney during a marine robot demonstrator mission co-ordinated by the National Oceanography Centre (NOC).

ecoSUB is a new type of Autonomous Underwater Vehicle (AUV) developed by Planet Ocean in partnership with the NOC. The vehicles are around 0.5 metres in length and weigh only 4 kg, and are therefore classified as ‘micro-AUVs’. Despite their small size, they are capable of diving to 500 m (2500m for ecoSUB-m25) and have sufficient battery power to stay underwater for several hours.

Two of the new ecoSUB-µ5-SVP vehicles were deployed from the Royal Navy’s HMS Enterprise during the trial and successfully collected Sound velocity profile data to depths of 100 m. These data will be compared with those collected by traditional ‘over-the-side’ instruments deployed from the ship, allowing the Royal Navy and the Defence Science and Technology Laboratory (Dstl) to assess the benefits of this new robotic technology.

Whilst the subs were deployed and recovered by the RN, initially the vehicles were piloted by our senior software engineer Jérémy Sitbon on board the Enterprise, but following his departure, further deployments were undertaken from Enterprise with piloting done remotely from NOC over the Iridium satellite.

Terry Sloane, Managing Director of Planet Ocean, said: “Micro-AUVs are low cost and highly flexible platforms with the potential to transform data collection across the maritime sector. This demonstrator mission provided a fantastic opportunity for us to deploy ecoSUBs from a Royal Navy vessel in challenging conditions, and we are delighted at the quality of data obtained and the ease with which the vehicles were released and recovered.”
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The ecoSUB-µ5-SVP carries a Valeport time of flight sound velocity sensor which is ideally suited for use on the ecoSUB vehicle.  A unique feature of ecoSUB-µ5 is its ability to dive almost vertically, in a spiral with a very small footprint, allowing water column profiles to be captured.  Traditional AUVs and gliders have relatively shallow dive angles which means that they need to travel horizontally some distance whilst acquiring data.

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  • Home
  • Products
    • ecoSUBu5 - 500 m rated Micro-AUV
    • ecoSUBm5 - 500 m rated Small-AUV
    • ecoSUBm25 - 2,500 m rated Small-AUV
    • Scout Series (Survey)
    • Science series >
      • ecoSUBu5-Science Series
      • ecoSUBm-Science Series
    • Hydrocarbon Sniffer Series
    • Power+
    • ecoSUB C3 GUI
    • Hermes C3
    • Network Localisation & Advanced Navigation
    • Request a quote
    • FAQs
  • About us
    • Our Team
    • Advisory Board
    • Career @ ecoSUB
    • WWF GhostNetZero
  • News
  • Gallery
  • ecoSUB TV
  • Support
  • Contact
    • Contact
    • International Sales