HydroSurv and Sonardyne team up on offshore wind survey ops

Uncrewed surface vehicle (USV) specialist HydroSurv is joining forces with marine technology firm Sonardyne to develop and demonstrate transformative seabed-to-shore sensing and data acquisition technologies for offshore operations.

Through a collaborative project, part-funded by Innovate UK through its Robotics for a Safer World: extension project, HydroSurv’s REAV-40 USV will get intelligent seafloor and vessel-mounted instruments from Sonardyne. These will then, in combination with internet-based cloud- services, provide an end-to-end seabed-data-to-shore service initially targeted towards the offshore wind industry.

Key elements of the project include a self-transiting USV, acoustic positioning of and data harvesting from seabed instruments, real-time gathering of geo-referenced current profile data as well as live relay of information to operatives onshore through secure cloud-based systems.

The project will also demonstrate the ability to overcome potential navigational limitations working in and around wind farms.

The key instrument package includes Sonardyne’s Mini-Ranger 2 Ultra-Short BaseLine (USBL) acoustic positioning system and its SPRINT-Nav hybrid acoustic-INS navigation instrument, which provides USV platforms with navigational redundancy.

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Used in combination with Sonardyne’s seafloor sensors and access to cloud-based services, this package provides an integrated suite of capabilities to maximise the use of USVs for intelligent data harvesting operations in remote offshore environments.

Founded in 2019, HydroSurv has seen rapid expansion of its technologies into inland and nearshore waters. This latest project, which officially launches in April 2021, will see the company now enter the offshore domain.

Finally, the culmination of the project will be a series of demonstrations at an operational offshore windfarm site within the UK.

David Hull, founder & CEO at HydroSurv, said:

“The coronavirus pandemic has further underlined the benefit of using resilient USVs and flexible instruments, which enable continuous data-flow without sending personnel offshore.

“This has never been more important than today to safeguard routine monitoring and survey capabilities. Over the longer term, this approach will reduce the cost, risk, time and carbon footprint of gathering operational data.”

Geraint West, global business manager, Oceanographic, at Sonardyne:

“Combining USVs like HydroSurv’s REAV-40 with our seabed-data-to-shore technologies promises to bring a step change in the efficiency of asset monitoring and data gathering operations for the offshore wind industry.

“Using USVs, which can be deployed at short notice, can vastly reduce operator logistics, emissions, risk to humans and costs and will allow operators faster access to operationally important information about their wind farms.”