Scientists have just created blood-powered fish robots

This robot's energy transmission system will simulate blood in our bodies. Cornell University researchers have built a robotic fish th...


This robot's energy transmission system will simulate blood in our bodies.
Cornell University researchers have built a robotic fish that works thanks to the blood circulation system. Of course, this robot does not contain real blood. Instead, a liquid battery moves through its circulatory system, similar to the animal's blood.



Robot fish works thanks to the circulatory system that runs by "blood".
For today's advanced robots, they still lack "multi-functional connection systems found on living organisms," the researchers wrote in the study, published in the journal Nature. Therefore, it is impossible to reproduce the effectiveness and autonomy of animals.
Therefore, the team looked at all the ways robots can store energy and consider factors that affect efficiency and self-sufficiency: size, weight and design.


Scientists used liquid batteries instead of hydraulic fluids to move robots.
The team, led by Robert Shepherd, an associate professor and robot researcher at Cornell Aerospace Engineering and Mechanical Technology, used liquid batteries instead of hydraulic fluids to move robots.
This liquid battery will power a pump to make the fins move, allowing the fish robot to swim. Scientists design robots with a soft body and are only 45 centimeters long.
The robot also has a hydraulic transmission and alternative energy storage methods. It allows fish to swim up to 36 hours continuously without having to recharge. The liquid inside the robot takes up less space (and lighter) than traditional batteries. This allows more energy to be used when moving.


The robot also has a hydraulic transmission and alternative energy storage methods.
"The blood in our bodies performs many functions, provides energy and removes waste, and is pumped by the heart and energizes our heart," Shepherd said. This is the team's idea to put the way blood works into robots.
Shepherd and his team used a fluid power hydraulic system to apply pressure to the drive and power the pump to move the liquid. "We do that by using liquid battery cells," he said. "Although it is still very rudimentary, we have created a system similar to the animal's circulatory system."


This power source robot allows longer-term use between charges.
A robot fish that can work with blood sounds great, but of course, such a robot must be useful when used in practice.
Researchers say the robot has a power source that allows longer-term use between charges. It can lead to faster advances in scientific discoveries, from deep-sea exploration and space to research on global warming.
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High Tech Brain: Scientists have just created blood-powered fish robots
Scientists have just created blood-powered fish robots
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