具有机械和功能弹性的压电纤维线圈和节点,用于可靠的自动传感
Yong Jun Choi1, JungHun Park1, Jisoo Nam1
1Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.
ACS nano
|February 24, 2026
概括
本研究介绍了一种高度可伸缩和可靠的压电纤维线圈传感器,使用层次设计. 这种创新的传感器可以实现自动供电的多式联机机械传感,用于可穿戴医疗保健和软机器人领域的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 生物医学工程 生物医学工程
背景情况:
- 电聚乙烯化物-co-trifluoroethylene) (P(VDF-TrFE)) 纳米纤维为自动驱动的传感提供压电特性.
- 将电极集成到灵活的压电传感器中,同时保持高伸展性和可靠性是一项挑战.
研究的目的:
- 开发一种具有机械和功能弹性的压电线圈传感器,具有高可伸缩性和长期可靠性.
- 创建一个基于光纤的自动供电传感平台,用于多式联机机械传感.
主要方法:
- 层次设计结合了乙烯-丁乙烯-乙烯 (SEBS) 辅助的互锁纤维粒子网络.
- 多元组件合聚3,4-乙烯二氧化硫烯:聚乙硫酸盐 (PEDOT:PSS) /PVDF-TrFE) 电极具有梯度接口层.
- 测试伸展性,在应变和重复负荷下的电机性能,以及多式联机机械传感能力.
主要成果:
- 实现了完全集成的线圈传感器,可伸展性高达668%.
- 在大张力和重复负荷下表现出稳定的机电性能.
- 对拉伸,曲和压缩表现出线性和稳定的压电反应,使得通过机器学习验证的定量传感.
- 展示了适应性节点配置,在高负载下保持一致的自动供电输出.
结论:
- 层次性的弹性设计使得基于光纤的自动供电传感器能够同时实现机械可回收性和电力稳定性.
- 开发的平台适用于可穿戴医疗保健,软机器人和手术辅助.
- 这项工作为先进的自动供电传感应用提供了新的途径.
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