高速密集多路光电信号的并行采集与控制  

Parallel Acquisition and Control of High Speed and Intensive Multi-Channel Optical Signals

作　　者：张斌[1] 赵冬娥[1] 宋涛[1] 罗倩倩[1] 

机构地区：[1]中北大学电子测试技术重点实验室仪器科学与动态测试教育部重点实验室,山西太原030051

出　　处：《光电技术应用》2011年第1期66-69,73,共5页Electro-Optic Technology Application

基　　金：山西省科技基础条件平台建设项目(2010091013)

摘　　要：针对激光光幕坐标靶测试中控制器I/O口不足的问题,提出现场可编程门阵列(FPGA)和单片机相结合实现高速密集多路光电信号的并行采集与控制。采用FPGA作为光电开关信号数据的采集和存储装置,单片机控制FPGA的工作,并处理、显示数据。对7.62 mm弹丸的过靶坐标进行了测试实验,结果证明,基于FPGA和单片机的高速密集多路光电信号并行采集与控制系统解决了传统激光光幕测坐标靶的处理器I/O口紧缺、处理速度慢等缺点。系统具有响应速度快、灵敏度高、可拼接的优点。Aiming at the lack of I/O numbers of the controller in laser screen coordinates measurement,the parallel acquisition and control of high speed and intensive multi-channel optical signals are implemented,by combining field programmable gate array（FPGA） devices with MCU（Micro-Controller Unit）.FPGA is used as acquisition and storage devices of a photoelectric switch signal data,MCU controls FPGA,processes and displays the data.After a test for the target coordinate of 7.62 mm projectile,the result proves that the system based on FPGA and MCU to implement parallel acquisition and control of high speed and intensive multi-channel optical signals solves the shortcomings of I/O shortages and low processing speed of traditional coordinates target.The system has the advantages of fast response,high sensitivity and split joint.

关 键 词：激光测坐标靶 FPGA AVR单片机 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]