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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

857
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...
857

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相关实验视频

Updated: Mar 15, 2026

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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一个基于灵活的平电阻传感器阵列的混合频率采样触觉传感系统:设计和动态负载验证.

Zhenxing Wang1, Xuan Dou2

  • 1School of Computer and Information Engineering, Shanghai Polytechnic University, Shanghai 201209, China.

Sensors (Basel, Switzerland)
|March 14, 2026
PubMed
概括

这项研究引入了一种新的混合频率采样触觉传感系统,该系统使用灵活的压电阻传感器阵列. 该系统实现了高速,可靠的动态触觉感知,提高了先进机器人和人机界面的准确性和耐用性.

关键词:
维洛斯塔传感器的传感器动态的触觉感知 触觉感知电子皮肤 电子皮肤触觉阵列是一种触觉阵列.

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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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相关实验视频

Last Updated: Mar 15, 2026

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科学领域:

  • 机器人和自动化机器人与自动化
  • 材料科学与工程 材料科学与工程
  • 传感器技术 传感器技术

背景情况:

  • 现有的多通道触摸阵列遭受响应漂移,不一致的动态和低时间分辨率.
  • 在动态负载下可靠的实时触觉感知仍然是当前传感系统的一个重大挑战.

研究的目的:

  • 开发一种混合频率采样触觉传感系统,用于在动态负载下可靠和实时的触觉感知.
  • 为了增强时间分辨率并减少灵活的压力阻抗传感器阵列中的系统复杂性.

主要方法:

  • 集成了一种灵活的压力复原传感器阵列 (34个节点) 与使用混合频率采样策略的实时数据采集模块.
  • 使用注册转移级 (RTL) 模拟用于硬件调度器验证.
  • 使用自主开发的压力比较平台进行验证的动态负载,用于地面真实力测量.

主要成果:

  • 实现了~36.9 kHz的有效采集带宽,可重复性优于4.9%和强大的机械耐用性.
  • 在e-skin输出和参考力之间显示出强烈的线性相关性 (R2 ≈ 0.98).
  • 通过多单元激活模式,成功区分触觉刺激和捕获指纹抚摸期间的动态反应.

结论:

  • 拟议的混合频率采样系统为动态触觉传感提供了一个实用且可扩展的硬件平台.
  • 与以前的系统相比,有效采样能力提高了~10倍,降低了复杂性.
  • 为机器人,人机交互和可穿戴系统中的应用提供可靠的动态触摸感应.