坚固而快速转变的软微机器人,由低磁场驱动
Yuanyuan Wang1, Haili Qin1, Niu Liu1
1Anhui Province Engineering Research Center of Flexible and Intelligent Materials, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China.
Advanced materials (Deerfield Beach, Fla.)
|June 23, 2025
概括
研究人员使用一种新的磁域组装方法开发了强大的,快速转换的软微机器人. 这些低功率的磁性微机器人表现出增强的稳定性和快速变形能力,用于先进的应用.
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.
- 纳米技术纳米技术
- 磁力驱动器的启动方式
背景情况:
- 软微机器人提供机动性和生物相容性等优势,但在平衡机械稳定性和响应性方面面临挑战.
- 对于微机器人的安全性和成本效益来说,低功率的启动是理想的,它依赖于精确的磁域控制.
- 传统的多域磁性微结构往往会损害性能.
研究的目的:
- 介绍一种磁域组装方法,用于制造强大的软微机器人.
- 使用低磁场,在微机器人中实现快速转换的行为.
- 克服传统微机器人设计中机械稳定性和响应能力之间的权衡.
主要方法:
- 用聚烯胺链在单域铁磁NdFeB纳米结构上接种的复合油墨的制造.
- 使用磁场辅助的3D打印来实现对超细细丝 (80微米) 中的磁域方向的精确控制.
- 描述微机器人的特性,包括执行速度,机械性和伸展性.
主要成果:
- 均的磁对齐使得复杂和快速的形状在不到1秒的时间内变形,即使含有较低的NdFeB含量 (低于2 wt.%).
- 由于均的磁对齐,实现了机械性十倍增加和1600%的伸展性.
- 在低磁场 (3-15mT) 中表现出最高性能的驱动,展示了多式联运机动和任务处理能力.
结论:
- 磁域组装方法成功地创建了强大的软微机器人,具有由低磁场驱动的快速转换行为.
- 这种方法提高了机械性能和执行性能,克服了传统微型机器人设计的局限性.
- 开发的微机器人显示出下一代软机器人应用的巨大潜力.
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