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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

362
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...
362

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直接切割应力映射使用化基于LED的触觉传感器

Nathan Dvořák1, Nima Fazeli2, Pei-Cheng Ku1

  • 1Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, MI 48109-2122, USA.

Micromachines
|May 27, 2023
PubMed
概括

这项研究校准了使用化 (GaN) 纳米柱的触觉传感器,直接测量剪切力. 传感器准确量化力大小和方向,用于机器人应用,无需后处理.

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
  • 传感器技术 传感器技术

背景情况:

  • 触觉感应对于机器人操纵至关重要.
  • 现有的传感器通常需要复杂的数据后处理.
  • 化 (GaN) 纳米柱为传感提供独特的压电特性.

研究的目的:

  • 为了校准基于GaN纳米柱的新型触觉传感器.
  • 评估传感器对直接切削力测量 (大小和方向) 的能力.
  • 为了验证传感器对机器人任务的性能.

主要方法:

  • 利用GaN纳米柱用于触觉感应.
  • 监测光辐射强度以确定力的大小.
  • 使用商用力/扭矩 (F/T) 传感器进行校准.
  • 进行了数值模拟,以将F/T传感器读数与纳米柱上的剪切力相关联.

主要成果:

  • 实现了切割应力的直接测量.
  • 传感器在3.71到50kPa的范围内表现出能力.
  • 结果证实了传感器对实时力反的潜力.
关键词:
压电效应是一种压电效应.机器人技术 机器人工程 机器人工程滑行检测 滑行检测 滑行检测

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结论:

  • 该GaN纳米柱触摸传感器使得直接切割力测量.
  • 传感器的性能适合机器人抓取,姿势估计和物品发现.
  • 这项技术减少了在触觉感应中复杂数据后处理的需求.