Release date: 2017-09-29
Researchers at Columbia University's engineering department have developed a 3D printed synthetic soft muscle with "intrinsic expansion capabilities." Incredibly, this 3D printing muscle can lift objects that weigh 1000 times their own weight, three times stronger than human muscles. It paved the way for the development of all-soft robots.
According to reports, this new 3D printed synthetic muscle replicates the behavior of the muscles to a higher degree, and to some extent they are a soft robot. Compared with other robots, such as pneumatic robots, soft robots have obvious advantages. They can perform natural movements such as gripping and manipulation, and occupy less physical space than hard robots.
Due to the distribution of silicone-containing silicone rubber matrix in the form of microbubbles throughout the muscle, the new 3D printed muscle has a lower density and a strain density 16 times that of organic muscle. This solution is inexpensive, environmentally friendly, and easy to manufacture, providing flexibility and extreme volume change properties.
This means that scientists can now create key components of humanoid robots that will far outweigh humans. These 3D printed muscles are powered by an 8V low power supply through an embedded thin resistor wire. Tests have shown that they can expand by 900% when heated to 80 ° C. This expansion and contraction capability means they can perform a variety of moving tasks.
“This soft, functional material may act as a strong soft muscle that may revolutionize the face of today's soft robot solutions. They can push, pull, bend, twist and lift weights, which we can create today. Materials close to natural muscles," the researchers explained.
Now, researchers plan to replace the resistance wires in the muscle with conductive materials to shorten the response time and extend the shelf life. In the more distant future, the research team hopes to use artificial intelligence to control muscles so that they can make more vivid movements.
The study has been published in Nature Communications.
(Compiled from 3ders.org)
Source: Tiangongshe
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