True fish fake fish silly! Robots can camouflage and live with fish


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[NetEase Smart News, December 10] The field of biomimicry has taken a giant leap forward: robots are now learning from animal behavior.

A team of researchers at the Swiss Federal Institute of Technology in Lausanne recently developed a tiny robot that can swim alongside fish. But this isn’t just about mimicking movement — it’s about understanding and influencing group behavior.

"We’ve created a ‘secret agent’ that can blend in with fish schools," said Frank Bonnet, a post-doctoral researcher at EPFL and one of the study’s key contributors.

After designing a robotic fish capable of matching the speed and agility of real fish, the team built a closed-loop system that allows the robot to adapt its behavior based on what it observes. As they spent more time studying fish ecosystems, the robot’s swimming patterns became increasingly natural and fluid.

The research was conducted at the Robot Systems Laboratory at EPFL, led by Professor Francesco Mondada. Their findings were recently published in *Bioinspired and Bionics*, highlighting the growing potential of bio-inspired robotics. The study shows how engineers are moving toward creating adaptable machines that can interact with and learn from their environments.

By observing fish behavior, the robot demonstrates how an intelligent machine can influence a biological group without being detected.

So far, the robot has been successfully tested with zebrafish, which swim together and change direction through coordinated communication.

The lab has previously explored similar concepts with insects, where integration into a community required only the release of specific pheromones. However, as Bonnet explains, integrating into a vertebrate group like fish involves more complex factors, such as visual appearance, movement patterns, and even vibrations.

(From: ZDNet Compilation; Netease Smart News — Reporter: Fu Zeng)

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