China’s ‘electric eel’ sensor allows robots to feel an object without touching it
Chinese researchers have developed a non-contact sensor for robots that mimics the electric field sensing capabilities of electric eels. This technology allows machines to detect the shape, material, and proximity of objects without physical contact.
Why it matters
This innovation could significantly improve robotic precision in manufacturing and human-robot interaction by enabling 'feeling' capabilities in environments where vision or touch are limited.
Electric eels hunt in pitch-black, murky waters by generating electric fields around their bodies. Now, Chinese scientists have mimicked this natural radar, giving robots the ability to “feel” objects without making physical contact.
“We want the machine to sense an approaching target – distinguish its material and surface condition – before any physical contact,” said Zhang Weiqiang, a professor at Xidian University, in a video interview last week.
The team’s work was published last month in the peer-reviewed journal Advanced Materials.
The researchers drew inspiration from the eel’s locating system. The hunter generates an electric field around itself and reads distortions in that field caused by nearby objects. The researchers borrowed the same logic – build a field, detect disturbances and extract information.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in