机载高速数据总线技术的应用研究

Study on avionics high-speed data bus technology

数据总线作为机载设备、航电子系统和系统模块间的通信载体,是现代化战机性能的重要体现。机载高速数据总线是新一代先进式综合航电系统的关键技术,主要用于音频、图形、图像、视频等大数据量数据的实时传输。简要概述了国内外几种主流的机载高速航空数据总线及其发展现状,并从传输速率、传输协议、拓扑结构和技术成熟度方面进行了比较,论述了1394B数据总线和光纤通道技术在综合航空电子系统上的应用前景和价值。

As the communication carrier of airborne equipment ,sub avionics system and avionics modules ,data bus play an important role on the modern aircraft performance .Airborne high-speed data bus is the key technology of new generation advanced integrated avionics system ,which used for real-time transmission of audio ,graphics ,images , video and other large volumes of data .A brief overview of several typical airborne high-speed data bus techniques and their development actualities was given in this paper ,and then discussed the prospects and value of 1394B and Fibre channel from comparing their transmission speeds ,protocols ,topology and technology maturation status .