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相关概念视频

Resistivity01:22

Resistivity

When a voltage is applied to a conductor, an electrical field is generated, and charges in the conductor feel the force due to the electrical field. The current density that results depends on the electrical field and the properties of the material. In some materials, including metals at a given temperature, the current density is approximately proportional to the electrical field. In these cases, the current density can be modeled as:

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相关实验视频

Updated: Jul 16, 2026

A Computer-assisted Multi-electrode Patch-clamp System
11:01

A Computer-assisted Multi-electrode Patch-clamp System

Published on: October 18, 2013

13.8K

一个实用数据处理系统用于大型电阻传感器阵列.

X Sun1,2, M Zhang1

  • 1Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.

The Review of scientific instruments
|August 19, 2024
PubMed
概括

本研究介绍了一种基于FPGA的大型电阻传感器阵列 (RSA) 的系统,可实现高效的数据处理和触觉感知应用的高速无线更新. 该系统可降低功耗,提高测量精度.

科学领域:

  • 传感器技术 传感器技术
  • 嵌入式系统 嵌入式系统
  • 数据采集数据采集

背景情况:

  • 大型电阻传感器阵列 (RSAs) 为触觉感知提供了潜力,但在硬件开销和实时数据处理方面面临挑战.
  • 暂时测量应用需要有效处理来自传感器阵列的大型数据集.

研究的目的:

  • 实现一个基于现场可编程网关阵列 (FPGA) 的数据处理系统,用于96x96 RSA.
  • 为了实现高速无线数据更新和降低功耗.
  • 为了实现微电机系统 (MEMS) 制造的RSAs的实时数据分析和故障识别.

主要方法:

  • 基于FPGA的实时嵌入式数据处理系统被开发用于并行处理.
  • 使用总线开关实施了改进的零电位方法,以减少运行放大器和功耗.
  • 使用具有自动调节传输大小的Wi-Fi模块实现了一种高速无线传输方案.

主要成果:

  • 该系统显示了良好的功耗 (2.15 mW/像素) 和高速无线数据更新.
  • 与传统的零潜力方法相比,负功耗减少了50%.
  • 扫描速度达到400/秒,无线传输速度高达120/秒.

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Performing Behavioral Tasks in Subjects with Intracranial Electrodes
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Data Acquisition Protocol for Determining Embedded Sensitivity Functions
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Data Acquisition Protocol for Determining Embedded Sensitivity Functions

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相关实验视频

Last Updated: Jul 16, 2026

A Computer-assisted Multi-electrode Patch-clamp System
11:01

A Computer-assisted Multi-electrode Patch-clamp System

Published on: October 18, 2013

13.8K
Performing Behavioral Tasks in Subjects with Intracranial Electrodes
12:10

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

11.4K
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K

结论:

  • 开发的基于FPGA的系统有效地解决了短暂测量应用中的大型RSA的挑战.
  • 该系统提供了一种节能和高速的解决方案,用于实时数据处理和无线功能的触觉感知.
  • 故障识别功能提高了MEMS制造的RSA的可靠性.