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相关概念视频

Design Example: Strain Gauge Bridge or Wheatstone Bridge01:15

Design Example: Strain Gauge Bridge or Wheatstone Bridge

963
The utilization of strain gauges as transducers for converting mechanical strain into electrical signals is a common practice in various engineering applications. These strain gauges are frequently integrated into Wheatstone bridge circuits to accurately measure parameters such as force or pressure. Within this context, each element within the circuit exhibits a resistance that undergoes subtle variations when subjected to mechanical strain. The primary objective is to convert minuscule...
963
Measurements of Strain01:27

Measurements of Strain

2.5K
Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
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相关实验视频

Updated: Jan 17, 2026

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
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基于结构色彩视觉感应的无线柔性应变感应皮肤.

Haixia Yao1, Jingang Wang2,3, Lina Sun1

  • 1School of Mechanical Engineering, Northeastern University, Shenyang 110801, China. Lnsun@mail.neu.edu.cn.

Nanoscale
|September 15, 2025
PubMed
概括

这项研究引入了一种无线视觉感应皮肤,该皮肤使用结构性颜色变化来检测应变和压力. 这种灵活的传感器为可穿戴设备和机器人技术的有线传感器提供了基于颜色的替代方案.

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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
  • 光学是什么?光学是什么?光学是什么?

背景情况:

  • 灵活的应变传感器对于可穿戴设备和机器人至关重要,但通常依赖有线电子设备,限制了它们的灵活性和适应性.
  • 现有的有线传感器在灵活性和环境稳定性方面面临挑战,阻碍了更广泛的应用.

研究的目的:

  • 开发一种无线传感方案,用于使用结构色彩的灵活应变传感器.
  • 通过颜色变化来展示一种应变敏感的皮肤,可通过颜色变化来视觉表明机械变化.
  • 将这种感应皮肤集成到气动康复手套中,用于机器人手部运动监控.

主要方法:

  • 一个结构性色彩感应皮肤的设计是为了显示网格微结构周期性变化的变化.
  • 描述了应变 (0%~120%) 和反射光色 (10~124) 之间的关系.
  • 感应皮肤被集成到气动康复手套上,以通过颜色变化 (120到20色调) 监控机器人手的曲.

主要成果:

  • 结构性色彩感应皮肤显示了应变和可见色彩变化之间的明显相关性,使无线应变检测成为可能.
  • 感知皮肤通过直观的色调变化成功地反映了压力和应变.
  • 实验证实了皮肤在机器人手的应用中检测机械力和角度变化的能力.

结论:

  • 基于结构颜色的拟议无线视觉传感方案为传统有线柔性应变传感器提供了一个有希望的替代方案.
  • 这项技术在灵活的机器人,可穿戴设备和人机接口等领域有很大的应用潜力.
  • 基于颜色的直观反机制提高了灵活的传感系统的可用性和适应性.