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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.
Soft Robotics
|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.
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.
