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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

311
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
311

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相关实验视频

Updated: Jun 29, 2025

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
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使用嵌入式电容传感器的连续敏捷操纵器的数据驱动形状传感.

Qihang Li1, Wenpeng Wang1, Joshua Liu1

  • 1Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD, USA.

Proceedings of IEEE Sensors. IEEE International Conference on Sensors
|April 5, 2024
PubMed
概括
此摘要是机器生成的。

我们为连续敏捷操纵器 (CDM) 开发了廉价的嵌入式电容传感器 (ECS). 这些传感器为形状传感应用提供了纤维支格 (FBG) 传感器的成本效益替代品.

关键词:
电容传感器是一种传感器.连续的巧妙的操纵者.形状估计,形状估计.

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 传感器技术 传感器技术
  • 嵌入式系统 嵌入式系统

背景情况:

  • 连续敏捷操纵器 (CDM) 需要精确的形状感应来进行有效的控制.
  • 现有的纤维布拉格格 (FBG) 传感器成本高昂,对温度变化敏感.
  • 需要为CDM提供低成本,强大的形状感应解决方案.

研究的目的:

  • 提出和评估一种新的,廉价的嵌入式电容传感器 (ECS),用于CDM中的形状传感.
  • 解决当前FBG传感器的局限性,重点关注成本和温度灵敏度.
  • 为了证明ECS对实时形状反和控制的可行性.

主要方法:

  • 开发一个廉价的嵌入式电容传感器 (ECS) 原型.
  • 使用基于视觉的系统和循环神经网络 (RNN) 校准ECS.
  • 在3D打印,有线驱动的CDM原型与多个标记器的评估.

主要成果:

  • 该ECS系统实现了6.6%的尖端位置误差,正常化到CDM的长度.
  • 校准的ECS数据准确地反映了操纵器的形状.
  • 通过使用来自三个ECS的数据,成功计算了尖端角度和位置.

结论:

  • 嵌入式电容传感器 (ECS) 显示了CDM中形状感应的早期可行性.
  • ECS为FBG传感器提供了一个有希望的,具有成本效益的替代品.
  • 进一步的改进可以为高级CDM应用程序增强ECS性能.