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粘糊糊的机器人革命:软机器人是如何改变

发布时间:2018-09-24 12:12 作者:admin 来源: 点击: 字号:

When people think of robots, the image of a helpful anthropocentric bot is conjured, like Rosie from The Jetsons or 3CPO from Star Wars。 In the 21st century, robots are already ubiquitous, but not the kind you imagine。 Thousands of meticulous, stern robots dot any modern assembly line。 With precise motion and blazing speed, these robots assemble the nanometer transistors stacked by the millions inside your iPhone’;s CPU or fix nuts and bolts in a Tesla Model S。 For the past decade or so, a great deal of interest has been shown in a novel class of robots。 It’;s called soft robotics, and involves machines designed to resemble biological systems like squids, caterpillars, starfish, human hands and more。 Though far less practical at this point, soft robots could prove invaluable soon enough。

A different kind of software

Hard robots, made of rigid limbs, involve very meticulous programming。 These machines ‘;know’; very well what they need to do, and complete the task。 If there’;s a problem, it’;s the programmer’;s/developer’;s fault。 The problem is that these become useless once you put them outside of their environment。 Soft robots, on the other hand, are made from elastic and flexible materials which allow them to mold to the environment, just like the biological counterparts。 Such machines can stretch, twist, scrunch and squish, change shape or size, wrap around objects and perform tasks impossible by rigid robotics standards。

octopus arm robot

Stiff-Flop

A prime example is an octopus-like bot developed at the Sant’;Anna School of Advanced Studies in Pisa, Italy which aims to improve surgical operations。 Just like its aquatic inspiration, the Stiff-Flop robotic tentacle has no rigid skeleton。 Instead, movements are driven by inflatable compartments, while its stiffness is held by a tube filled with coffee。

“;The human body represents a highly challenging and non-structured environment, where the capabilities of the octopus can provide several advantages with respect to traditional surgical tools,”; said the paper’;s lead author Tommaso Ranzani, from the Sant’;Anna School of Advanced Studies in Pisa。

Traditionally, surgical tasks involve a myriad of special instruments from graspers, to dissectors, to retractors。 The Italian researchers hope that eventually, their soft-bodied robot will use its tentacles to  find a way through an awkward area, then hold together a delicate organ with one arm, while another performs surgery。 The number of instruments and operations required would be significantly trimmed。

本文源自: 环亚娱乐

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