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Scientists have developed an ‘electronic skin’: It can work for 1 hour without interruption

A new device developed by scientists from Hong Kong City University, Dalian University of Technology, Tsinghua University, and China University of Electronic Science and Technology stands out with its ability to capture motion and stress factors such as bending and rotation.

According to the news in Sputnik Turkey; Technology that allows humans to remotely control robots already exists today. However, what distinguishes this new ‘electronic skin’ from its counterparts is that, despite being much less bulky, it is easier to use and provides more feedback than others.

PLACED IN HUMAN’S JOINTS

In a research article published in the journal Science Advances, Chinese researchers described the technical features that could be made possible by the electronic skin. Accordingly, the electronic skin patch in question is placed on the joints of the operator and when it is bent, it can detect it through its sensors and transmit the relevant signals directly to the robot using bluetooth technology or the internet.

‘PIEZORESISTANT MATERIAL’

The sensors are made of piezoresistive materials, whose electrical resistance changes when subjected to mechanical stress, thus allowing the movements of the operator to be captured.

The system also allows bidirectional feedback by placing sensors on certain parts of the robot. The signals are sent to the electronic skin, activating tiny magnets that vibrate at different frequencies corresponding to the applied pressure. The sensors on the electronic skin are so sensitive that the human operator carrying the skin patch can easily distinguish how hard or soft an object the robot is holding.

CONTINUOUS 1 HOUR WORK PERFORMANCE

According to the article, with the use of Bluetooth technology, feedback signals can be transmitted in just 4 microseconds, while when working over a Wi-Fi network, this speed can be increased even more thanks to increased distributors. No matter how the data is transmitted, the delay is stated to be below the 550 microseconds required for the average human to respond to tactile stimuli.

While the battery of the electronic skin device offers a continuous working performance of 1 hour, it can be used for up to 2 hours in standby mode.

Although still a prototype, robotic assistance is expected to be of great benefit in tasks that pose a risk to human health, such as bomb disposal and radioactive waste cleanup.

Source: Cumhuriyet

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