可编程的3D形态生物渐变水凝执行器,具有快速响应和大幅度变形
Jiaxin Zeng1, Zhiyu Zheng1, Sicheng Wu1
1Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|September 27, 2025
概括
研究人员开发了用于软机器人的先进梯度水凝. 这些水凝表现出超快速,大应变驱动和3D形状变形能力,使得生物模拟运动,如跳跃和爬行在光驱动的机器人.
科学领域:
- 材料科学 材料科学 材料科学
- 机器人技术 机器人技术 机器人技术
- 生物医学工程 生物医学工程
背景情况:
- 水凝执行器对于软机器人,生物医学设备和可穿戴电子产品至关重要.
- 目前的局限性包括制造具有高速运动,大应变执行和3D变形的水凝的挑战.
- 实现这些属性对于实际应用至关重要.
研究的目的:
- 开发一种具有增强性能的新型梯度水凝执行器.
- 为了实现可编程的3D形状变形和快速响应启动.
- 探索光驱软机器人和生物体设备中的应用.
主要方法:
- 使用吸收紫外线的前体和光聚合制造温度敏感的梯度水凝的制造.
- 引入基托-寡糖 (COS) 来增强梯度结构和多孔性.
- 整合一个基尼-交叉连接的凝网络作为光热传感器,用于光响应.
- 使用光罩技术,精确控制局部梯度结构.
主要成果:
- 实现了超快的曲速率 (190°/s) 和大幅度 (760°).
- 展示了可编程的3D形状变形能力 (3D1到3D2变形).
- 成功创建了以光驱动的软机器人,表现出仿生动作 (倒,跳跃,爬行).
结论:
- 开发的梯度水凝执行器提供可编程,快速响应和3D形状变形特性.
- 这项技术显著扩大了软机器人和生物设备的潜力.
- 该研究为先进的水凝执行器设计提供了一个有前途的方法.
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