#研究分享#【有了智能皮肤,机器人也有触觉了】

#研究分享#【有了智能皮肤,机器人也有触觉了】智能皮肤使机器人能通过触摸来感受周围环境,但是既要使智能皮肤保持敏感,又要省电,这是个难题。北大的研究团队研发了一种自我供电的模拟智能皮肤,分辨率可达1.9毫米,能感觉到蜜蜂的扰动。依靠摩擦起电原理,解决节能的问题,不需外部供电。http://www.looooker.com/archives/26508

nn-2015-07074t_0006

Smart synthetic skins have the potential to allow robots to touch and sense what's around them, but keeping them powered up and highly sensitive at low cost has been a challenge. Now scientists report in the journal ACS Nano a self-powered, transparent smart skin that is simpler and less costly than many other versions that have been developed.

Endowing robots and prosthetics with a human-like sense of touch could dramatically advance these technologies. Toward this goal, scientists have come up with various smart skins to layer onto devices. But boosting their sensitivity has involved increasing the numbers of electrodes, depending on the size of the skin. This leads to a rise in costs. Other systems require external batteries and wires to operate, which adds to their bulk. Haixia Zhang and colleagues wanted to find a more practical solution.

The researchers created a smart skin out of ultra-thin plastic films and just four electrodes made from silver nanowires. Other prototypes contain up to 36 electrodes. Additionally, one component harvests mechanical energy -- for example, from the movement of a prosthetic hand's fingers -- and turns it into an electric current. Therefore, the skin wouldn't need an external power source. Testing showed that the skin was highly sensitive. It could "feel" a honeybee as it flew toward and away from the device. It also demonstrated electrical stability, maintaining the same level of output over 30,000 cycles.

The authors acknowledge funding from the National Natural Science Foundation of China, the National High-Tech Research and Development Program of China, the Beijing Science & Technology Project and the Beijing Natural Science Foundation.


Story Source:

The above post is reprinted from materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Mayue Shi, Jinxin Zhang, Haotian Chen, Mengdi Han, Smitha A. Shankaregowda, Zongming Su, Bo Meng, Xiaoliang Cheng, Haixia Zhang. Self-Powered Analogue Smart Skin. ACS Nano, 2016; DOI:10.1021/acsnano.5b07074

标题:Robots could get 'touchy' with self-powered smart skin

来源:sciencedaily

链接:https://www.sciencedaily.com/releases/2016/04/160413113308.htm

或参见:http://pubs.acs.org/doi/abs/10.1021/acsnano.5b07074


Comments are closed.



无觅相关文章插件