适用于航空发动机FADEC系统的容错实时调度算法研究

Study on the Fault-Tolerant Real-time Scheduling Algorithms in FADEC of Aero-engine

航空发动机的全权限数字电子控制系统(FADEC),需要容错实时调度算法的支持。为保证航空发动机控制的逻辑正确性和时间正确性,FADEC系统要求实时任务在无错和出错时均能在时限到来前获得正确的运算结果。笔者首先介绍了容错实时调度算法的基本概念及其分类,然后研究了适用于FADEC的单处理器容错实时调度算法CRA。

The Full Authority Digital Electronic Control（FADEC） system of Aero-engine,which needs the support of the Fault-Tolerant Real-time scheduling algorithms.In order to make the working of aero-engine more reliable,the system of FADEC needs the Real-time task can get the right answer at any time.In this paper,the Real-time scheduling algorithms and Fault-Tolerant Real-time scheduling algorithms were introduced,and applicability of the Fault-Tolerant Real-time scheduling algorithms in FADEC is discussec.