Serial port communication between sensor and virtual instrument based on vibration signal

WANG Yu-lin; JIANG Ping

doi:10.13873/J.1000-9787(2016)04-0018-04

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Serial port communication between sensor and virtual instrument based on vibration signal

更新时间：2025-09-11

- Serial port communication between sensor and virtual instrument based on vibration signal
- Vol. 35, Issue 4, Pages: 18-21(2016)
- 作者机构：
  
  南通大学电气工程学院自动化系
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)04-0018-04
  CLC： TP212;TH133.33
- Published：2016
- 稿件说明：
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[1]王玉林,姜平.基于振动信号的传感器与虚拟仪器的串口通信[J].传感器与微系统,2016,35(04):18-21.

WANG Yu-lin, JIANG Ping. Serial port communication between sensor and virtual instrument based on vibration signal[J]. 2016, 35(4): 18-21.
[1]王玉林,姜平.基于振动信号的传感器与虚拟仪器的串口通信[J].传感器与微系统,2016,35(04):18-21. DOI： 10.13873/J.1000-9787(2016)04-0018-04.

WANG Yu-lin, JIANG Ping. Serial port communication between sensor and virtual instrument based on vibration signal[J]. 2016, 35(4): 18-21. DOI： 10.13873/J.1000-9787(2016)04-0018-04.

摘要

为了实现加速度传感器与虚拟仪器Lab VIEW之间的串口通信

以滚动轴承的振动信号为传输的介质

编写C语言程序来驱动三轴加速度传感器采集轴承的振动信号

再将振动信号传输到单片机中

虚拟仪器通过USB转串口线读取单片机中的振动信号

以波形的形式实时显示在虚拟仪器界面上。以编程软件显示加速度传感器采集到轴承的振动信号的值

经过串口通信程序

最终在虚拟仪器前面板上显示振动信号转换的数值波形00—FF;软件分析后可以发现:轴承的均方根值为0.030 782 3

经过频域的处理

其功率谱将特征频率25 Hz与高次谐波分量单独分离出来

从而完成传感器与虚拟仪器间的串口通信。

Abstract

To realize serial communication between acceleration sensor and virtual instrument（ VI）

Lab VIEW

and transmission medium is rolling bearing vibration signal. Write C language program to drive three-axis acceleration sensor to collect bearing vibration signal

then transmits vibration signal into micro controller unit（ MCU）

afterwards

VI reads vibration signal in MCU via USB to serial line

and the signal is displayed on VI interface in real time in form of waveform. Acceleration sensor can collect bearing vibration signal

at the same time

value of vibration signal can be displayed in programming software

through a serial port communication program

the numerical wave 00—FF transformed by vibration signal is able to be displayed on VI front panel; by software analysis

it can be found that root-mean-square of bearing is 0. 030 782 3

through frequency domain processing

characteristic frequency 25 Hz and high-order harmonic component are isolated separately by power spectrum

consequently

serial port communication between sensor and VI is achieved.

关键词

Keywords

references

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低频光纤布拉格光栅振动加速度传感器研究 [J]. 罗小东,乔学光,贾振安,高宏,邵敏,陈国祥. 仪表技术与传感器 . 2013(12)

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