Researchers Build Robot That Sweats To Cool Off

The robot uses a unique cooling mechanism that evaporates water to cool its motors.

A organization of Japanese researchers have managed to construct a robot that can reach a quantity bunch of pushupsby sweating with a human.

The researchers, from the University of Tokyo's JSK lab, built a humanoid robot called Kengoro that can have an effect on in pretty much all the ways a human can. In order to do that, the robot has highly developed than a hundred rotate motors, which generate a lot of heat.

Most adding robots use lithe cooling, as soon as water pumps, fans, radiators, and heat sinks. But those systems can be rather bulky and eat happening a lot of self-starter. Kengoro has too many new components to have room for an lithe cooling system. So instead, the team settled to manufacture a passive cooling system directly into the machine's frame.

The team built a water circulation system into Kengoro's metal skeleton, and allowed the water to seep out a propos the motors to chilly them. This allows the water to evaporate, cooling the machine's motors. Essentially, Kengoro can sweat.

Sweating is a agreed lively cooling method. It allows Kengoro to do pushups for 11 minutes straight without overheating. Sweating is more efficient than supplementary passive cooling methods taking into account expose cooling and easy water circulation, although it's less efficient than alert cooling. Still, this method is little and lightweight and requires zero skill.

Using this method, Kengoro can manage for roughly half a hours of daylight in the region of speaking a single cup of water. Although this means that the machine can sometimes profit a tiny thirsty.