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Bioinspired Soft Robot with Incorporated Microelectrodes

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Origami-Inspired Bionic Soft Robot Stomach with Self-Powered Sensing.

Jinsui Xu¹, Boyi Xu², Honghao Yue¹

¹State Key Laboratory of Robotics and System, School of Mechatronics Engineering, Harbin Institute of Technology, Harbin, 150001, China.

Advanced Healthcare Materials

|November 29, 2023

Summary

This summary is machine-generated.

Researchers developed a bionic soft robotic stomach (BSRS) that realistically simulates and senses human stomach movements. This advancement aids research in gastric digestive medicine and food science.

Keywords:

bionic humanoid stomach origami soft robot triboelectric nanogenerator

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Area of Science:

Biomedical Engineering
Robotics
Digestive Physiology

Background:

The stomach's physical movements during digestion are crucial for health but challenging to simulate accurately.
Existing stomach simulators fail to replicate the complex physical movements of the stomach.
Gastric motility simulation and sensing are complex due to the intricate nature of stomach muscle actions.

Purpose of the Study:

To develop a novel bionic soft robotic stomach (BSRS) capable of realistic physical movement simulation and real-time sensing.
To address the limitations of current stomach simulators in mimicking gastric motility.
To provide a platform for studying gastric digestive processes and food science applications.

Main Methods:

The study introduces a bionic soft robotic stomach (BSRS) integrating drive and sensing capabilities.
Origami principles and self-powered sensing technology (triboelectric nanogenerator - TENG) are employed in the BSRS design.
The BSRS's contraction force and rate were evaluated using contents of varying viscosities.

Main Results:

The developed soft stomach (SS) realistically simulates and senses human stomach movements in real-time.
Experimental results show BSRS contraction force and rate align with the physiological range (max force 3.2 N, max rate 0.8).
The TENG sensing technology effectively monitored the BSRS's motion in real-time.

Conclusions:

The BSRS offers a realistic simulation of human stomach peristaltic motion.
This robotic system provides an experimental basis for advancements in gastric digestive medicine and food science.
The integrated TENG sensing technology enables real-time monitoring of simulated gastric motility.