基于QNX系统的触摸飞行显示器软件设计  

Design of Touch Flight Display Software Based on QNX System

作　　者：冯伟 刘文学[1] 缪炜涛[1] 吕亚方 滕飞 FENG Wei;LIU Wen-xue;MIAO Wei-tao;LV Ya-fang;TENG Fei(Xi′an Aeronautics Computing Technique Research Institute,AVIC,Xi′an 710068,China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710068

出　　处：《航空计算技术》2020年第2期106-109,共4页Aeronautical Computing Technique

基　　金：工信部预研项目资助(G488A1914002-17)。

摘　　要：针对通用飞机对低成本大尺寸触摸飞行显示器的需求,提出一种基于QNX操作系统的触摸飞行显示器软件设计方案,利用QNX系统微内核架构,采用多进程多线程的软件方案,结构清晰且便于维护,完成飞行显示器的数据采集、数据处理、图形显示、触摸控制和维护检测等功能,软件运行稳定可靠,满足各功能对实时性和安全性的要求,在降低成本的同时提升了产品在通航领域的竞争力。For low-cost and large size touch flight display requirements to general aircraft,this paper proposes a design of flight display software based on QNX system,using QNX micro kernel,adopting multiprocess and multithread software architecture,the structure is clear and easy to maintain.The flight display completes the functions of data acquisition,data processing,graphic display,touch control and maintenance.The software runs stably and reliably,meets the requirements of real-time and safety of each function,reduce costs and improve product competitiveness in general aviation.

关 键 词：QNX系统 飞行显示器 多进程多线程 

分 类 号：TP37[自动化与计算机技术—计算机系统结构]