Want to Buy a Humanlike "Soft Robot"? Expert Shares Manufacturing Secret - Technology Org | By The Digital Insider

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Ever wonder why the most advanced robots always seem to have hard bodies? Why not more pliable ones, like humans have?


Baoxing Xu, in whose lab the soft robotics research was performed, is an associate professor of mechanical and aerospace engineering.
Baoxing Xu, in whose lab the soft robotics research was performed, is an associate professor of mechanical and aerospace engineering. Image credit: Dan Addison, UVA Communications

Researchers working on so-called “soft robotics” attempt to incorporate the feel of living organisms into their creations. But the field hasn’t taken off because the softer components haven’t been easy enough to mass-produce and incorporate into the designs – until now.


University of Virginia researchers have invented a manufacturing process for weaving soft materials such as fabrics, rubbers and gels so that they can be compatible with gadgets, which may lead to a soft robotics revolution.


Two industrial robots play the role of two marionettes.
Two industrial robots play the role of two marionettes. Image credit: Ars Electronica via Flickr, CC BY-NC-ND 2.0

The process may also improve or expand wearable electronics, biomedical devices and a plethora of other internet-based products with complex outer surfaces.


The researchers detailed their patent-pending design in an article that appeared Wednesday in Science Advances.


“Our work offers, for the first time, a state-of-art concept and route for weaving soft materials into 3-D spatial structures,” Baoxing Xu, an associate professor of mechanical and aerospace engineering, said.


Xu collaborated with then-UVA doctoral students Yue Zhang and Mengtian Yin on the project, funded by the National Science Foundation.


“There are similar manufacturing approaches in industry, but all are designed for either rigid materials or nanoparticles, not for soft materials with continuous structures in forms such as film, ribbon and wire,” Xu said.


The new approach relies on a liquid-based rolling transfer system that can make very small and precise adjustments during weaving, resulting in fast and damage-free manufacturing, he said.


Source: University of Virginia

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