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Underwater Robotics

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Autonomous Underwater Vehicles (AUVs) and Remotely Operated Vehicles (ROVs) are two types of underwater robotic systems that play an increasingly significant role in ocean exploration, scientific research, and various industrial operations. Although both systems are designed to operate underwater, they differ in terms of how they are controlled and the tasks they are capable of performing. Collectively, both AUVs and ROVs are categorized as Unmanned Underwater Vehicles (UUVs).

Two autonomous underwater vehicles resting on land
Project Wilton Iver AUVs, courtesy of our partner, SeeByte



An AUV is an autonomous underwater vehicle that often (but not always) operates independently of direct human control. It is equipped with various sensors, instruments, and navigation systems that allow it to perform a range of tasks, including mapping the ocean floor, collecting environmental data, and conducting scientific surveys at sea. Ideally, AUVs are programmed to perform specific missions and have the ability to make decisions based on real-time data, making them a great candidate for conducting long-term, repetitive missions. However, due to the lack of remote off-grid power solutions, big-data transmissions, and edge-compute capabilities, the current generation of AUVs still have a limited operational reach and require interventions of human operators.

A remotely operated vehicle inspecting underwater structures
Subsea 7’s AIV performing a mid-water riser inspection using sonar, courtesy of our partner, SeeByte



Remotely Operated Vehicles (ROVs), on the other hand, are underwater robots that are often controlled by a human operator. Like their AUV counterparts, ROVs are also equipped with cameras, lights, and various sensors that allow them to perform tasks (such as inspections, maintenance, and repair on underwater structures and vessels). ROVs can also be equipped with sampling tools and other scientific instruments, making them useful for conducting research missions. ROVs play a very prominent role in deep-sea scientific missions for studying benthic ecosystems, such as during the EV Nautilus cruises. (More on this later in another post.)
The main advantage of ROVs is that they allow for direct human control, which can be especially useful in situations where real-time decision-making is required. This makes ROVs ideal for missions that require a high degree of precision and control, such as the inspection of underwater pipelines, the repair of underwater communication cables, or the removal of debris from shipwrecks. Additionally, ROVs can be equipped with manipulator arms and other tools, making them capable of performing tasks that are (currently) not possible with AUVs.

Despite the differences between AUVs and ROVs, both systems play an important role in a variety of industries. In the oil and gas industry, for example, both types of underwater robots are used for exploration and production, as well as for monitoring and maintenance of underwater pipelines and platforms. In scientific research, both AUVs and ROVs are used for oceanographic surveys, as well as for monitoring ocean ecosystems and the effects of climate change.

As the blue tech industry continues to advance, it is likely that UUVs will play an even greater role in ocean exploration, scientific research, and industrial operations in the years to come, making them a pivotal component of the rapidly growing blue economy.

As for me the article is a clear and concise explanation of the differences between AUVs and ROVs, two types of underwater robotic systems that are widely used in the blue economy. It provides a brief overview of the main features, advantages, and disadvantages of each system, as well as some examples of how they are used in various industries and applications. The article also uses relevant images and links to illustrate the concepts and provide more information for the interested readers.

However, the article could also be improved in some ways. For instance, it could provide more details on the current challenges and limitations of AUVs and ROVs, such as the technical, operational, and regulatory issues that affect their performance and deployment. It could also discuss some of the emerging trends and innovations in the field of underwater robotics, such as the development of hybrid systems that combine the features of both AUVs and ROVs, or the use of artificial intelligence and machine learning to enhance the autonomy and capabilities of UUVs. It could also address some of the ethical and social implications of using UUVs in the ocean, such as the potential impacts on the marine environment and biodiversity, or the legal and moral responsibilities of the operators and users of UUVs.

Overall, the article is a good introduction to the topic of underwater robotics, but it could also go deeper and more critical in its analysis and discussion.

Resources: Underwater Robotics. Autonomous Underwater Vehicles, AUVs, ROVs | Ocean Motion Tech Blog (medium.com)

Images:
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https://miro.medium.com/v2/resize:fit:786/format:webp/1*FnMPVGUqgsx4xqOndGssIA.jpeg

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