before it’s in a papers”
May 31, 2014
Printable robots in development
May 31, 2014
Courtesy of MIT
Engineers are working on robots that can be assembled from tools done by 3-D printers—and a newest designs can be baked, too.
Although a work is preliminary, in dual new papers, researcher Daniela Rus of Massachusetts Institute of Technology and colleagues discuss printable robotic components that, when heated, automatically overlay into desired configurations. Rus’ organisation also presented a results during a International Conference on Robotics and Automation of a Institute of Electrical and Electronics Engineers.
One paper describes a system that takes a digital specification of a 3-D shape, afterwards generates a two-dimensional patterns that would let a square of plastic
overlay itself into that shape. The other paper describes how to build components from self-folding, laser-cut materials. The researchers uncover designs for a electromechanical “muscles” that enable robot movements—components famous as resistors, inductors, and capacitors, sensors and actuators.
“We have this large dream… where we can specify, ‘I wish a robot that will play with my cat,’ or ‘I wish a robot that will purify a floor,’ and… we actually generate a working device,” Rus said. That’s a prolonged approach away. But some of initial work toward that also led to a creation of “these folded electronics,” she added.
The papers also build on research by Rus with MIT’s Erik Demaine exploring how origami could be blending to create reconfigurable robots.
The pivotal difference in a new work, pronounced Shuhei Miyashita, a postdoctoral researcher in Rus’ lab and one of her co-authors on both papers, is a technique for precisely controlling how a heated piece folds. Miyashita sandwiches a piece of polyvinyl chloride (PVC) between dual films of tough polyester full of slits of different widths. When heated, a PVC contracts, and a slits close. Where edges of a polyester film press adult opposite any other, they deform a PVC.
But producing a slits is not as simple as only overlaying them on an origami double pattern and adjusting a widths accordingly, Rus said. “You’re doing this unequivocally complicated global control that moves every edge” during a same time, she
said. The motions “actually interfere with any other,” that has to be taken into account.
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