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Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

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Published on: April 25, 2020

Woven Fabric Muscle for Soft Wearable Robotic Application Using Two-Dimensional Zigzag Shape Memory Alloy Actuator.

Dongsu Shin¹, Kihyeon Kim¹, Sang Yul Yang²

¹School of Mechanical Engineering, Sungkyunkwan University, Suwon, Republic of Korea.

|May 8, 2024

Summary

Researchers developed a lightweight fabric muscle using a Zigzag Shape Memory Alloy (ZSMA) actuator. This novel ZSMA actuator can lift 2kg with 40% contraction, advancing soft wearable robot technology.

Keywords:

fabric actuators shape memory alloy soft actuators soft wearable robot

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Area of Science:

Robotics
Materials Science
Mechanical Engineering

Background:

Soft wearable robots offer flexibility and power support without restricting user mobility.
Fabric muscles are essential components for developing advanced soft wearable robots.
Existing actuators often face limitations in performance and integration into soft systems.

Purpose of the Study:

To introduce a novel, high-performance fabric muscle actuator based on the Zigzag Shape Memory Alloy (ZSMA).
To optimize the ZSMA actuator design through modeling and experimentation.
To detail the fabrication process for the ZSMA-based fabric muscle.

Main Methods:

Development of a fabric muscle utilizing a novel Zigzag Shape Memory Alloy (ZSMA) actuator.
Modeling and experimental analysis of the ZSMA actuator to identify an optimized design.
Fabrication process detailing for the ZSMA-based fabric muscle.

Main Results:

The proposed ZSMA fabric actuator weighs only 7.5g.
Demonstrated capability to lift a 2kg weight.
Achieved a 40% contraction displacement, indicating high performance.

Conclusions:

The ZSMA actuator represents a significant advancement in fabric muscle technology.
The developed fabric muscle offers high performance in a lightweight package.
This innovation opens new avenues for research and development in soft wearable robotics.