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Related Experiment Video

Updated: May 31, 2026

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Published on: December 3, 2015

Origami exoskeletons for enhanced soft robotic manipulation.

Kangjia Fu¹, Xuesong Wu¹, Sunquan Yu¹

¹Defense Innovation Institute, Chinese Academy of Military Science, Beijing 100071, China.

Science Advances

|July 30, 2025

Summary

This summary is machine-generated.

Researchers developed an origami exoskeleton for soft robots, inspired by shrimp. This design enhances manipulation capabilities by balancing flexibility with the high stiffness needed for load-bearing tasks.

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Area of Science:

Robotics
Materials Science
Mechanical Engineering

Background:

Soft robots offer large deformations but struggle with high output forces due to low material stiffness.
Existing soft robotic arms have limited load-bearing capacity for manipulation tasks like grasping and carrying.

Purpose of the Study:

To address the low force output challenge in soft robotics.
To enhance the manipulation capabilities of soft robotic arms through improved load-bearing capacity.
To integrate a novel exoskeleton design with soft actuators.

Main Methods:

Designed an origami exoskeleton inspired by shrimp exoskeletons, incorporating flexible-rigid arrangements and mechanical multistability.
Integrated the origami exoskeleton with soft actuators to create enhanced robotic arms.
Evaluated the exoskeleton's ability to provide high stiffness in stable states and allow long-stroke transitions.

Main Results:

The origami exoskeleton design achieves high stiffness in stable states while enabling long-stroke transitions.
The exoskeleton effectively balances deformability with necessary load-bearing capacity when integrated with soft actuators.
Exoskeleton-enhanced soft arms demonstrated improved dexterity and load capacity for manipulation tasks.

Conclusions:

The proposed origami exoskeleton significantly enhances the manipulation potential of existing soft robotic arms.
This design offers a viable solution for increasing the load-bearing capacity of soft robots.
Applications include enhanced manipulation for unmanned ground and aerial vehicles.