基于光电经纬仪的飞机着陆下滑引导监视系统设计  

Design of aircraft landing guidance and monitoring system based on photoelectric theodolite

作　　者：张兴国[1] ZHANG Xingguo(Chinese Flight Test Establishment,Xi’an 710089,China)

机构地区：[1]中国飞行试验研究院,陕西西安710089

出　　处：《现代电子技术》2017年第20期132-135,共4页Modern Electronics Technique

基　　金：航空基金重点资助项目:飞机积冰厚度无标尺实时测量技术(2010ZD30004)

摘　　要：基于飞机着陆下滑引导监视系统设计需求,针对现有光电经纬仪通信的缺陷,通过分析系统通信物理链路,突破了光电经纬仪之间通信转换协议设计、查表法CRC码校验快速计算、实测数据滤波模型构建等关键技术,以软件技术代替硬件板卡信号处理,实现了稳定可靠且成本低廉的飞机着陆下滑引导监视系统,实验部分验证了该方法的有效性。目前,该系统已成功应用到某型飞机灯光着陆系统试飞中。Based on the design demand of guidance and monitoring system for aircraft landing,the key technologies suchas protocol design for communication conversion between photoelectric theodolites,rapid computation of CRC codes using tablechecking method,and filtering model construction for measured data were realized after analyzing physical link of system com?munication in view of the communication defects of the available photoelectric theodolite.The hardware board is substituted withsoftware technology for signal processing,implementing a reliable and low?cost guidance and monitoring system for aircraft landing.In the experiment,the reliability of the system is verified.Currently,the system has been successfully applied to the trial flightof a certain model aircraft lighting landing system.

关 键 词：光电经纬仪 数据链路层通信协议 循环冗余码校验 扩展卡尔曼滤波 

分 类 号：TN948.64-34[电子电信—信号与信息处理]