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Ocean engineers optimize design and performance of autonomous underwater vehicle

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Almost two years ago, Dive Technologies, a subsea robotics designer and manufacturer based in Boston, began a multiyear partnership with researchers and students at the Center for Marine Autonomy and Robotics to develop a novel commercial autonomous underwater vehicle.

In April 2021, Dive Technologies delivered the DIVE-LD to market, a design they see as the most capable large-displacement autonomous underwater vehicle, in terms of the reliability, endurance, and navigational accuracy it brings to global commercial and defense customers.

With the first round of sea trials of their craft complete, the DIVE-LD’s performance has already exceeded expectations, but the team behind the self-propelled, unmanned, untethered underwater vehicle is driven to take it even further. They’re now back in the lab, working diligently to refine the vehicle’s software systems and optimize hydrodynamic performance. [Read more…] about Ocean engineers optimize design and performance of autonomous underwater vehicle

Tas Global commercializes ‘world’s first’ ship hull cleaning robot system

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A startup company called Tas Global is commercializing what it says is the world’s only robot capable of cleaning freely on curved surfaces.

The company has registered more than 30 patents in 16 countries including the US on the journey to bringing the robotic system to market.

Selected as a South Korean government project, Tas started by developing technology for processing organisms attached on a ship’s hull. [Read more…] about Tas Global commercializes ‘world’s first’ ship hull cleaning robot system

CMU’s Snakebot goes for a swim: Biorobotics Lab builds submersible robot snake

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Carnegie Mellon University’s acclaimed snake-like robot can now slither its way underwater, allowing the modular robotics platform to inspect ships, submarines and infrastructure for damage. 

A team from the Biorobotics Lab in the School of Computer Science’s Robotics Institute tested the Hardened Underwater Modular Robot Snake (HUMRS) last month in the university’s pool, diving the robot through underwater hoops, showing off its precise and smooth swimming, and demonstrating its ease of control.

“We can go places that other robots cannot,” said Howie Choset, the Kavčić-Moura Professor of Computer Science. “It can snake around and squeeze into hard-to-reach underwater spaces.” [Read more…] about CMU’s Snakebot goes for a swim: Biorobotics Lab builds submersible robot snake

MIT CSAIL’s robo-starfish enables closer study of aquatic life

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Scientists have invented a ‘robo-starfish’ which give us more insights into aquatic life, as Adam Conner-Simons, or MIT CSAIL, reports. (See video below.)

Biologists have long experienced the challenges of documenting ocean life, with many species of fish proving quite sensitive to the underwater movements of humans.

As a possible solution, computer scientists have been developing special marine robots that can stealthily move among their carbon-based counterparts. In 2018, for example, a team from MIT’s Computer Science and Artificial Intelligence Lab (CSAIL) fabricated a soft robotic fish that autonomously swam with real fish along the coral reefs of Fiji.

However, the complex dynamics of how water moves – and its ability to quickly ruin some perfectly good electronics systems – have made underwater robots especially difficult to develop compared to ones for air or land. [Read more…] about MIT CSAIL’s robo-starfish enables closer study of aquatic life

Virginia Tech partners with Dive Technologies to launch autonomous underwater vehicle

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Virginia Tech researchers at the Center for Marine Autonomy and Robotics have partnered with Boston-based Dive Technologies to support the development and testing of what they describe as a novel autonomous underwater vehicle with innovative vehicle design and state-of-the-art control, software, and autonomy systems.

This multiyear collaboration provides an opportunity to apply research discoveries and innovative technology developed in the academic lab and deploy them in next-generation commercial applications.

Bill Lebo, co-founder and chief technology officer of Dive Technologies, says: “We feel fortunate to be working closely with professors Daniel Stilwell, Stefano Brizzolara, and the entire team supporting Dive Technologies from the Center for Marine Autonomy and Robotics. [Read more…] about Virginia Tech partners with Dive Technologies to launch autonomous underwater vehicle

RE2 Robotics receives $2.5 million from US Navy to develop manipulation system

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RE2 Robotics, a developer of human-like robotic manipulation systems, has received $2.5 million in funding from the Office of Naval Research to continue the development and commercialization of its technology under the Dexterous Maritime Manipulation System (DM2S) program.

RE2’s DM2S technology will provide Navy personnel with the ability to autonomously perform mine countermeasure (MCM) missions.

In this next phase of the program, RE2 will upgrade its dual-arm prototype, known as the Maritime Dexterous Manipulation System (MDMS), for deep ocean use; apply computer vision and machine-learning algorithms to enable autonomous manipulation capabilities; and integrate with underwater vehicles that can autonomously navigate. [Read more…] about RE2 Robotics receives $2.5 million from US Navy to develop manipulation system

Oceaneering to perform first deepwater survey in Mexico using autonomous underwater vehicle

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Oceaneering International, Inc. has secured a contract to perform the first-ever deepwater (1,000-3,000 m) Autonomous Underwater Vehicle (AUV) survey in Mexican waters.

The geophysical survey will take place at the BHP-operated Trion block. Oceaneering will use the DP-2 Ocean Investigator, equipped with the OS-VI AUV and light geotechnical capabilities.

Work is currently under way and will continue for approximately 45 days. Oceaneering will also provide light geotechnical services by acquiring 6 m piston core soil samples.

Houston Mechatronics unveils underwater transforming robot ‘Aquanaut’

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Houston Mechatronics (HMI) unveiled Aquanaut at the NASA Neutral Buoyancy Laboratory, one year after the announcement of the platform concept.

Aquanaut is a revolutionary multi-mode transforming all-electric undersea vehicle. The vehicle is capable of efficient long-distance transit and data collection in ‘AUV’ (autonomous underwater vehicle) mode.

After transforming into ‘ROV’ (remotely operated vehicle) mode the head of the vehicle pitches up, the hull separates, and two arms are activated so that Aquanaut may manipulate its environment.

[Read more…] about Houston Mechatronics unveils underwater transforming robot ‘Aquanaut’

Earth-digging robot could make laying underground cables much easier and cheaper

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A robot developed by the MIT university could help bring down the enormous costs of laying underground and undersea cables. 

The machine is being called RoboClam – because it was based on how clams behave – is a relatively small device and it’s been called “the Ferrari of underwater diggers” because it’s particularly good at digging through soft, watery soil, or sand.

It was developed by MIT’s Department of Mechanical Engineering, along with Bluefin Robotics, and the team was led by Anete Hosoi.  [Read more…] about Earth-digging robot could make laying underground cables much easier and cheaper