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logo 9/21/2024 10:40:16 PM     
A Swarm of Biologically-inspired Little Underwater Explorers 
By Florian Berlinger, Melvin Gauci, Jeff Dusek US Source: harvard 1/15/2021
Florian Berlinger, Melvin Gauci, Jeff Dusek
The natural world abounds with self-organizing collectives, where large numbers of relatively simple agents use local interactions to produce impressive global behaviors. Fish schools are particularly impressive – collectives of thousands migrate long distances, search for resources, and even form dynamic shapes like flash expansions or bait balls to evade predators or capture prey. Even more inspiring are the fish schools that move within coral reefs, navigating together in complex cluttered environments. These biological collectives exhibit several properties that are highly desirable from an engineering perspective: they are decentralized, providing robustness to failure of agents, and they rely primarily on local sensing and nearest neighbor interactions, exhibiting high degrees of scalability and adaptability.
 

The goal of the BlueSwarm Project is to develop a novel 3D swarm testbed inspired by reef fish schools: An underwater robot collective, with 30+ fully-autonomous miniature (~10cm) robots, that use purely local communication and sensing to demonstrate complex global 3D coordination, inspired by the kinds of complexity that coral reef fish schools achieve.

This new project has three main thrusts: (a) The development of an underwater robot swarm platform, with miniature (~10cm) but highly maneuverable underwater robots. (b) The development of algorithms and programming methodologies to create complex global-to-local 3D collective behaviors using implicit coordination. (c) Using BlueSwarm robots to understand fish biomechanics and schooling. See our recent publications and movie links below for current progress.

 
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5132A snack made of an invasive fish is coming to Toronto. Can Asian carp be far behind?CBC News2019-12-07CA
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5140Scientists recognize new fish in northern Mexicoazpm.org2019-10-30MX
5141East Vancouver's urban salmon stream sees no returning fish in 3 yearsCBC News2019-12-01CA
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5143Some B.C. salmon runs face 'meaningful chance of extinction' after landslide, despite rescue missionCBC News2019-11-29CA
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5145'Our worst nightmares are being realized': Experts say First Nations need more power to save B.C. salmonCBC News2019-11-30CA
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5148Calgary man dead after falling through ice while fishing near VulcanCBC News2019-11-25CA
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5150Fish size affects Snake River salmon returns more than route through damsNOAA Fisheries West Coast Region2019-11-25US

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