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Updated: Feb 10, 2026

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热拉动软介电弹性体执行器纤维
Yuto Akimoto1,2, Gildas Coativy3, Jean-Yves Cavaillé4
1Department of Mechanical and Aerospace Engineering, School of Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japan.
ACS omega
|February 9, 2026
概括
研究人员从全聚合物介电弹性体中开发出软起动器纤维. 这些灵活的纤维为软机器人和生物医学应用提供了增强的驱动自由.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 热绘制工艺适用于多功能纤维 (电极,波导,微流体,生物传感器).
- 装有形状记忆合金 (SMA),磁性复合材料或肌线的执行器纤维使软机器人和医疗导管应用成为可能.
- 现有的驱动器纤维面临局限性:高刚性,限制运动,以及由于刚性材料而复杂的控制.
研究的目的:
- 使用介电弹性体开发全聚合物软起动器纤维.
- 与现有的光纤执行器相比,提高机械合规性和执行自由度.
- 使用热塑性聚氨 (PU),因为它具有热拉伸兼容性和电活性特性.
主要方法:
- 使用热塑性聚氨 (PU) 弹性质的全聚合物软执行器纤维进行热拉动.
- 纤维软度 (的模量) 和电活性反应的表征.
- 评估执行模式 (曲,压缩,3D旋转) 和循环稳定性.
主要成果:
- 开发了柔软的执行器纤维,其扬模量为37 MPa.
- 在曲,压缩和3D旋转动作中实现了可电控的启动.
- 在2.4 MV/m和1 Hz下,其压缩应变率为1.59%,在400个周期内具有出色的周期稳定性.
结论:
- 全聚合物介电弹性体驱动器纤维提供了增强的合规性和驱动自由.
- 这种方法克服了当前光纤执行器中刚性材料的局限性.
- 为软机器人,生物医学设备和可穿戴设备提供灵活,多功能执行器纤维的可扩展路线.
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