Tentacle-like underwater robotic will make offshore inspections safer and extra exact, say creators



rope-like appendage hangs from upright scientific laboratory mounting equipment with wires and other components visible nearby, while a woman is visible in the middle distance wearing a pink garment
The comfortable robotic tentacle, pictured on show on the 2025 Goodwood Pageant of Velocity, might be showcased on the UK Robotics Expo on 18 September.

A tentacle-like underwater robotic that its creators say can safely work together with offshore buildings is being primed for a task within the inspection and upkeep of subsea infrastructure.

Developed by means of a collaboration between the UK’s Nationwide Robotarium and Brazilian know-how agency Senai Cimatec, the 1-metre-long versatile manipulator contains a comfortable, flexible design that conforms to buildings throughout contact. This presents vital benefits over typical inflexible manipulators when working close to delicate or advanced subsea tools.

The breakthrough addresses key challenges in offshore inspection, the place subsea pipelines and tools at depths reaching almost 3000m should be recurrently checked to make sure security and stop expensive failures. With offshore infrastructure decommissioning prices estimated at over $100 billion by 2030, extending the protected operational lifetime of present pipelines and tools delivers each vital financial financial savings and reduces environmental impression.

The robotic, which has been designed and developed by engineers on the Nationwide Robotarium, the UK’s centre for robotics and AI at Heriot-Watt College, works by combining a versatile spine with a system of tendon-like cables that management its motion. Particular sensors assist it perceive its place and form underwater, permitting the robotic to make exact actions even in turbulent situations. This makes it very best for deploying from underwater automobiles to examine offshore wind farms, in addition to different offshore power and marine infrastructure.

Checks carried out on the Nationwide Robotarium’s wave tank facility present the robotic can place its tentacle-like arm with outstanding accuracy and preserve stability when subjected to exterior forces of as much as 300g. Even when deliberately disturbed, it will probably right its place and return to the specified state inside seconds – a vital functionality for operation in unpredictable ocean environments.

Rowanne Miller, Undertaking Supervisor on the Nationwide Robotarium, mentioned: “This breakthrough represents a big milestone for the Nationwide Robotarium, showcasing our complete end-to-end undertaking supply capabilities. Our staff has taken this progressive underwater robotic from preliminary idea by means of design and improvement to profitable testing in real-world situations. What makes this notably thrilling is that we’ve created an answer that doesn’t simply incrementally enhance present know-how – it basically adjustments how we are able to method underwater inspection duties, opening up new potentialities for safer, extra exact interplay with essential subsea infrastructure and doubtlessly remodeling how we preserve and shield our offshore property for many years to come back.”

Lucas Silva, Lead Researcher at SENAI CIMATEC, mentioned: “We labored along with the Nationwide Robotarium to conceive an progressive tackle underwater manipulation, opening up new use instances for the trade. This new department of improvement represents an necessary and disruptive improve to our robotics improvement roadmap, and the seamless cooperation with The Nationwide Robotarium performed a key position on this new achievement, setting new requirements for future worldwide partnerships”.

The know-how is primarily aimed toward offshore power corporations, underwater inspection service suppliers, and operators of subsea infrastructure who conduct common security assessments. Conventional inspection strategies usually require giant vessels and human divers, creating each security hazards and vital carbon footprints. It’s hoped the ground-breaking innovation might allow smaller underwater automobiles to carry out refined inspection duties, considerably lowering operational prices whereas bettering personnel security and environmental sustainability.

The undertaking demonstrates how comfortable robotics – sometimes developed at small scales for delicate duties – will be efficiently scaled as much as resolve real-world engineering challenges in demanding environments.

The comfortable robotic tentacle might be on show on the inaugural UK Robotics Expo, happening at The Nationwide Robotarium on Thursday 18 September.