摘要
当容错实时计算机系统中存在潜在故障时,可以分别讨论暂时性故障和永久性故障时系统的可靠性。因为此时系统允许出现瞬时中断。本文以汽车控制系统为例,详细分析了在这两种故障时潜在故障对容错实时计算机系统可靠性的影响,并用MATLAB仿真图对比说明潜在故障恶化系统平均故障前时间。本文也提出了一些改善系统可靠性的方法。
When a fault-tolerant real-time computer system has potential faults, we can respectively discuss the system reliability in temporary fault case or in permanent fault case.In the time, the temporary outage time of the system can be allowed.We investigate this effect by the example of an automotive application by means of MATLAB.The remedies to improve the system reliability are alos discussed.
出处
《自动化技术与应用》
2007年第4期78-80,共3页
Techniques of Automation and Applications
关键词
潜在故障
静态失效系统
单故障假设
时间触发协议
potential fault
fail-silent assumption
single-fault assumption
time-triggered protocol
