摘要
高可靠电子系统(例如飞机的飞行控制系统、全权限数字化发动机控制系统和其它系统)已被引入商用、军用飞机和航天器。早期有代表性的飞控系统,如F16和A320的飞控系统成功地利用冗余和容错电子设备提供所需的可靠性和安全性,但却有着显著不同的结构。本文对容错结构进行分类,介绍了不同容错结构的特征,还指出了各自的优缺点。
High reliability electronic system such as Fly- By -Wire （FBW） flight controls, full- authority digital engine controls, and other systems have been introduced on many commercial and military airplanes and spacecraft. Early FBW systems, such as on the F16 and A320, were considered typical. They used redundant and fault -tolerant avionics to provide dependability and safety, but have used significantly different architectures. This paper classified fault -tolerant architectures, introduced their characters, their strengths and weaknesses.
出处
《微处理机》
2007年第6期83-86,共4页
Microprocessors
关键词
容错
自测试
自监控对
三模冗余
Fault - tolerant
BIT
Self - checking pair
TMR
