多尺度结构的小型化3D力传感器
Guolin Yun1,2,3, Zesheng Chen4, Zhuo Chen4
1Cambridge Graphene Centre, University of Cambridge, Cambridge, UK. ygl@ustc.edu.cn.
Nature materials
|February 18, 2026
概括
研究人员使用石墨烯-液体-金属复合材料开发了一种新的三轴力微传感器阵列. 这种灵活的触觉传感器为先进的机器人和神经假肢提供了高灵敏度和精确的力方向测量.
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:
- 灵活的触觉传感器对于神经假体,人机交互和机器人技术至关重要.
- 当前的传感器很难区分正常和接触力,限制了触觉反的保真度.
研究的目的:
- 开发一种高度敏感的三轴力微传感器阵列,能够将正常和接触力脱.
- 模仿人类手指的高分辨率多维触觉.
主要方法:
- 使用石墨烯-液体-金属复合材料制造微传感器阵列.
- 在微孔复合材料中利用异性质粒子网络,以金字塔几何为多尺度结构.
- 通过先进的结构设计实现正常触角力脱.
主要成果:
- 在500kPa的线性范围内,110kPa-1的异常灵敏度 (R2 > 0.998).
- 精确的力方向测量,偏差小于2°.
- 展示了强力解和滑动检测用于对象抓取.
结论:
- 新型微传感器阵列显著提升了3D力感应能力.
- 尺寸和检测极限的改进比现有技术要大得多.
- 能够提高机器人的灵巧性和微操作应用.
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