植物灵感的形状可编程和可重新配置的执行软执行器,用于适应性抓取,感知和识别
Zixu Zhang1, Zhi Li2, Weizhong Yuan1
1School of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|April 8, 2025
概括
这项研究介绍了一种由植物启发的新型软执行器,它能够使用热和光等刺激进行可编程的形状变化和可重新配置的执行. 这种进步使软机器人和智能系统中的复杂任务成为可能.
科学领域:
- 软机器人软机器人 软机器人
- 材料科学是一种材料科学.
- 生物仿真工程 生物仿真工程
背景情况:
- 开发用于人工肌肉和医疗设备等各种应用的软执行器是必不可少的,但具有挑战性.
- 需要智能软执行器,可以在各种环境中运行并执行复杂的任务.
研究的目的:
- 设计和制造一种新的三明治结构软执行器 (LPPSA),具有形状可编程性和可重新配置的执行.
- 整合聚N-异烯胺 (PNIPAM) 和液晶弹性体 (LCE) 以提高性能.
- 展示多功能能力,包括传感和机器学习应用.
主要方法:
- 使用PNIPAM,LCE和聚烯无布制造一个三明治结构的执行器.
- 利用PNIPAM的相位过渡超出其较低的临界溶液温度 (LCST) 以实现形状可编程性.
- 使用LCE快速热响应和光热转换器 (溶剂黑色7) 无线近红外 (NIR) 启动.
主要成果:
- 通过控制刺激的持续时间和位置来证明形状的可编程性.
- 通过LCE的热反应和使用NIR的无线激活实现了快速变形.
- 展示了在水下抓捕,可变体积抓捕,仿生任务和手势转换方面的能力.
- 集成的运动和温度传感功能,并使用机器学习进行水下物体识别.
结论:
- 开发的LPPSA作为多功能软执行器的多功能平台.
- 这项工作为设计用于各种环境操作的智能软执行器提供了一个模板.
- 推进软机器人,智能系统和水下机器人的应用.
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