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Related Experiment Video

Updated: Jul 25, 2025

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

Chemically Driven Oscillating Soft Pneumatic Actuation.

Marcos Villeda-Hernandez^1,2,3, Benjamin C Baker¹, Christian Romero^4,5

¹School of Chemistry, University of Bristol, Bristol, United Kingdom.

|June 29, 2023

Summary

This summary is machine-generated.

This study explores chemical reactions to power soft robots. Researchers developed chemo-pneumatic actuators for autonomous, controlled actuation, enabling versatile soft robot applications.

Keywords:

chemical power source chemical reactions for soft robotics chemically driven pneumatic actuation chemistry oscillating soft robots pneumatic actuation soft robotics

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Last Updated: Jul 25, 2025

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Area of Science:

Soft Robotics
Chemical Engineering
Materials Science

Background:

Pneumatic actuators are key in soft robotics due to their low cost, scalability, and compliance.
A major challenge is developing controlled, ecologically compatible chemical energy sources for pneumatic actuation.

Purpose of the Study:

To evaluate chemical reactions as both positive and negative pressure sources for soft robotic pneumatic actuators.
To investigate the coupling of gas evolution and consumption reactions for oscillating systems.

Main Methods:

Evaluated several gas evolution/consumption reactions based on pneumatic demands, chemical mechanisms, and safety.
Developed oscillating systems using complementary carbon dioxide evolution and consumption.
Controlled actuation speed by adjusting feed material ratios.

Main Results:

Achieved autonomous cyclic actuation by coupling chemical reactions with pneumatic soft-matter actuators.
Demonstrated reversibility and practical application in a soft gripper capable of object manipulation.
Successfully controlled actuation speed via feed material ratios.

Conclusions:

Chemical reactions offer a viable pathway for powering soft robots.
Chemo-pneumatic actuators represent a significant advancement toward more autonomous and versatile soft robots.