Embroidery Actuator Utilizing Embroidery Patterns to Generate Diverse Fabric Deformations
Yuki Ota, Yuki Funabora

TL;DR
This paper introduces a fabric-integrated embroidery pneumatic actuator that uses embroidery patterns to control fabric deformation, enabling customizable and diverse movements through pattern design and analytical modeling.
Contribution
The study presents a novel embroidery-based pneumatic actuator with pattern-dependent deformation control and validated analytical models for precise movement prediction.
Findings
Actuator achieves controllable bending and stretching deformations.
Strong agreement between experimental results and deformation models.
Different embroidery patterns enable diverse deformation behaviors.
Abstract
This paper presents a novel Embroidery Actuator, a fabric-integrated pneumatic actuator that enables diverse and controllable deformations through embroidery pattern design. Unlike conventional fabric actuators that rely on fiber- or thread-shaped actuators, the proposed actuator is fabricated by directly stitching an inflatable tube onto the fabric using a cord-embroidery technique. The embroidered thread and the fabric jointly form a sleeve that constrains the expansion of the inflatable tube, converting internal pressure into targeted bending or stretching deformations. By varying the embroidery pattern, such as zigzag or cross configurations, different geometric constraints can be realized, allowing for flexible control of deformation direction and magnitude. Analytical deformation models based on the Neo-Hookean model and Lagrange's equations were developed to predict the…
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