Related Experiment Video
Updated: Sep 14, 2025
10:17
Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle Mercynorrhina torquata
Published on: September 2, 2016
12.4K
Muscle-inspired elasto-electromagnetic mechanism in autonomous insect robots.
Changyu Xu1,2, Yajun Cao1,2, Jingyang Zhao1
1School of Engineering, Westlake University, Hangzhou, Zhejiang, China.
Nature Communications
|July 24, 2025
Summary
Researchers developed a new Elasto-Electromagnetic mechanism for soft robotics. This muscle-inspired actuator enables small robots to perform complex movements like crawling, swimming, and jumping with high efficiency and low voltage.
Area of Science:
- Robotics
- Materials Science
- Biomimetics
Background:
- Biological muscles provide essential force and deformation for animal locomotion.
- Conventional robotic systems often lack the adaptability of biological muscles.
- Existing artificial muscles have limitations for onboard-powered small autonomous systems.
Purpose of the Study:
- To present the Elasto-Electromagnetic mechanism for soft robotics.
- To mimic biological muscle contraction using simple elastomeric materials.
- To optimize actuation properties for small autonomous systems.
Main Methods:
- Developed an electromagnetic actuation strategy tailored for soft robotics.
- Structured simple elastomeric materials to mimic muscle features.
- Integrated the mechanism into insect-scale soft robots.
Main Results:
- Achieved significant output force (~210 N/kg) and large contraction ratio (up to 60%).
- Demonstrated rapid response (60 Hz) and low-voltage operation (<4 volts).
- Enabled autonomous crawling, swimming, and jumping in open-field environments.
Conclusions:
- The Elasto-Electromagnetic mechanism enhances energy efficiency and functional capabilities of soft robots.
- This muscle-inspired actuator expands autonomy for small-scale soft robots.
- Potential applications include rescue operations and critical signal detection.
Related Concept Videos
01:19Electro-mechanical Systems
1.2K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.2K
01:05Mechanism of Ciliary Motion
3.9K
The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
3.9K