摘要
用两台DVCC-51DB系列单片机作为系统的主机,提出一种单片机容错系统的设计与实现方案.根据单片机的特点,用软、硬件方法解决了双机同步等待问题.系统配有CPU、存储器、比较器的测试软件,可完成单机输出、双机同步比较输出、双机降为单机输出、故障机停电脱线等功能.文中还估算了系统的可靠度与平均无故障间隔时间(MTBF).
With two single-chip computers of series DVCC-51DB as main devices, the design of a single-chip computer fault tolerance system and its realization are proposed. According to the features of the single-chip computer, software-hardware has been used to solve the problem of dual computer synchronous waiting, and softwares are fitted for testing the CPU, memories and comparers. The functions with single computer output, dual computer synchronous comparative output or the output of single computer degraded from dual computers can be performed. The reliability and the mean time between faults of the system are estimated theoretically.
出处
《华中理工大学学报》
CSCD
北大核心
1993年第3期72-76,共5页
Journal of Huazhong University of Science and Technology
关键词
单片机
容错系统
冗余
可靠性
single-chip computer
fault tolerant system
redundancy
reliability
