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Bioinspired Soft Robot with Incorporated Microelectrodes

Bioinspired Soft Robot with Incorporated Microelectrodes

Published on: February 28, 2020

Robust bionic distributed multimodal flexible sensor for extreme-condition sensing and intelligent operation.

Baijin Mao¹, Yedong Huang¹, Yuyaocen Xiang¹

¹Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong, China.

Communications Engineering

|April 2, 2026

Summary

This summary is machine-generated.

This study introduces a robust bionic distributed multimodal flexible sensor (BDMFS) inspired by tiger-shark anatomy. The novel sensor offers synchronized proximity and tactile sensing, enhancing human-robot interaction in challenging conditions.

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Area of Science:

Materials Science
Robotics
Biomimetics

Background:

Traditional flexible sensors face challenges in integration, scalability, and robustness.
Existing sensors lack the adaptability required for diverse and extreme environments.

Purpose of the Study:

To develop a robust bionic distributed multimodal flexible sensor (BDMFS) inspired by the tiger-shark scalp.
To achieve synchronized perception of proximity and tactile stimuli with high accuracy and flexibility.

Main Methods:

Integration of an S-shaped optical network mimicking subcutaneous mechanoreceptors.
Incorporation of a self-powered triboelectric interface emulating ampullae-based proximity sensing.
Utilizing a microstructured elastic dielectric layer for flexibility and robustness.

Main Results:

BDMFS enables synchronized perception of proximity (~100 mm) and tactile (~5 ms) stimuli.
The sensor detects light touches (0.25 g) and withstands high pressures (6.26 MPa).
Achieved 95.26% accuracy in object-proximity recognition using machine learning.

Conclusions:

BDMFS demonstrates exceptional flexibility, mechanical robustness, and environmental adaptability.
The sensor shows potential for intelligent control and advanced human-robot interaction in extreme environments.
Successful demonstrations include virtual music teaching, adaptive grasping, and underwater teleoperation.