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A robotic sensory system with high spatiotemporal resolution for texture recognition

Engineering and Technology

A robotic sensory system with high spatiotemporal resolution for texture recognition

N. Bai, Y. Xue, et al.

Discover innovative research by Ningning Bai and colleagues on a real-time artificial sensory system that achieves unparalleled texture recognition using a single iontronic slip-sensor. With a remarkable accuracy of 100% for textile identification, this technology mimics human tactile perception like never before!

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Playback language: English
Abstract
This paper introduces a real-time artificial sensory system for high-accuracy texture recognition using a single iontronic slip-sensor. The system achieves high spatiotemporal resolution (15 μm spatial resolution and 0.02 Hz frequency resolution at 400 Hz), enabling the precise discrimination of fine surface features. Integrated on a prosthetic fingertip, the system identifies 20 different textiles with 100% accuracy at a fixed sliding rate and 98.9% accuracy at random sliding rates. The high spatiotemporal resolution allows the sensor to capture both static pressure and high-frequency vibrations, mimicking human tactile perception.
Publisher
nature communications
Published On
Nov 14, 2023
Authors
Ningning Bai, Yiheng Xue, Shuiqing Chen, Lin Shi, Junli Shi, Yuan Zhang, Xingyu Hou, Yu Cheng, Kaixi Huang, Weidong Wang, Jin Zhang, Yuan Liu, Chuan Fei Guo
Tags
artificial sensory system
texture recognition
iontronic slip-sensor
prosthetic fingertip
spatiotemporal resolution
tactile perception

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