多传感器动态参数实时采集与存储方法研究

韩力; 王世赞; 王军; 王磊; 何昕

doi:10.3788/YJYXS20173205.0372

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多传感器动态参数实时采集与存储方法研究

驱动与控制 | 更新时间：2020-07-07

- 多传感器动态参数实时采集与存储方法研究
- Real-time collection and storage of multi-sensor dynamic parameters
- 液晶与显示 2017年32卷第5期页码：372-379
- 作者机构：
  
  1.苏州科技大学, 江苏苏州 215009
  2.白城兵器试验中心, 吉林白城 137001
  3.中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
  
  [ "韩力 (1992-)，男，江苏泰州人，硕士研究生，主要从事FPGA应用和光电测控方向研究。E-mail：980398429@qq.com" ]
  王世赞, E-mail:281109685@qq.com
  [ "王军 (1979-)，男，江苏徐州人，副教授，博士，硕士研究生导师，2005年于中国科学院长春光学精密机械与物理研究所获得博士学位，主要从事光电测控技术与仪器方向研究。E-mail：281109685@qq.com" ]
- 基金信息：
  
  江苏省普通高校研究生科研创新计划项目(KYZZ16_0480);苏州科技大学研究生创新项目(SKCX16_043);江苏省建设系统科技项目(2016ZD87);苏州市科技发展计划（重点实验室）项目(SZS201609);Research Innovation Project for Ordinary University Graduates of Jiangsu Province(KYZZ16_0480);Suzhou University of Science and Technology Innovation Project(SKCX16_043);Science and Technology Project of Jiangsu Province Construction System(2016ZD87);Suzhou Science and Technology Development Plan (Key Laboratory)(SZS201609)
- DOI：10.3788/YJYXS20173205.0372
  中图分类号： TP274+.2
- 收稿日期：2016-11-18，
  
  录用日期：2017-1-6，
  
  纸质出版日期：2017-05
- 稿件说明：
移动端阅览
韩力, 王世赞, 王军, 等. 多传感器动态参数实时采集与存储方法研究[J]. 液晶与显示, 2017,32(5):372-379.

Li HAN, Shi-zan WANG, Jun WANG, et al. Real-time collection and storage of multi-sensor dynamic parameters[J]. Chinese journal of liquid crystals and displays, 2017, 32(5): 372-379.
韩力, 王世赞, 王军, 等. 多传感器动态参数实时采集与存储方法研究[J]. 液晶与显示, 2017,32(5):372-379. DOI： 10.3788/YJYXS20173205.0372.

Li HAN, Shi-zan WANG, Jun WANG, et al. Real-time collection and storage of multi-sensor dynamic parameters[J]. Chinese journal of liquid crystals and displays, 2017, 32(5): 372-379. DOI： 10.3788/YJYXS20173205.0372.

摘要

针对现有的数据采集系统无法兼备通道数多、速度快、实时存储的问题，提出一种基于可编程逻辑器件和大容量Flash的多传感器动态参数实时采集与存储方法。该系统以FPGA为主控制器，实现对模数转换芯片的控制与读取时序；转换后添加校验字节，通过双FIFO缓存方式实现和Flash的高效率数据交互；双Flash实现采集数据备份，增加存储可靠性；双Flash之间总线相互独立，提高数据存储速度；最后通过USB接口实现与上位机的高速数据传递。实验证明：该系统的单通道采样速率可达2 MHz，实时存储速率单片Flash可达50 MByte/s字节，双片可达100 MByte/s，在强振动动态测试环境下，能够可靠地采集传感器的输出信号，采集绝对误差在1 mV以内，数据无误码率。满足振动测量的稳定可靠、精度高、抗干扰能力强等要求。

Abstract

In order to solve the problems that the existing data acquisition system cannot have many channels

high speed and real-time storage at the same time

a real-time collection and storage method of multi-sensor dynamic parameters based on FPGA and large-capacity flash was proposed. The system took FPGA as the core processor to control and read the analog-to-digital conversion chip

added check bytes after the conversion

realized the high-efficiency data interaction with the flash through the double FIFO buffers

and used data back-up to increase storage reliability

then it took free-running interfaces between double flash to improve data storage speed. Finally

the core processor communicated with host computer by USB ports to achieve high-speed data transfer. The experimental results show that the acquisition-frequency of system can reach 2 MHz

the rate of real-time storage can come to 50 MByte/s with one Flash and 100 MByte/s with double Flash. Under the condition of strong vibration dynamic testing

this system can reliably collect the output signal from the sensor with the absolute error within 1 mV and without error rate

so it meets the requirements for stabilization

reliability

high precision and anti-interference ability.

关键词

Keywords

references

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