摘要
混合两余度计算机系统采用高速、高可靠串行背板总线，相对于传统的两余度机栽计算机，使机载机电系统任务可靠性大大提高。基于串行背板总线ARINC659总线构成系统的架构，系统的工作模式、容错机制、同步及交叉数据传输均由背板总线实现，具有良好的故障纠错能力。在此架构下，采用心跳方式的切换机制，来管理两余度的处理器及接口模块，使系统资源互相独立，系统可实现无缝切换和系统底层重构，提高了系统的可靠性。
With highly credible and fast serial backplane bus applied in mixed dual-redundancy computer system, the mission reliability of airborne electromechanical systems gets highly improved. The system is based on Arinc659 bus, a kind of serial backplane bus, which supports the operation mode, fault-tolerance mechanism, Synchronization and CCDL.This system has a good ability of fault correction. System resource can be independent from each other with heart-beating switching mechanism to manage the dual redundancy processor and the interface module. The system can be seamless switched and gets restructured in bottom, and the reliablity of the system gets highly improved.
出处
《变频技术应用》
2015年第2期74-77,共4页
INVERTER TECHNOLOGIES AND APPLICATIONS
关键词
计算机系统
混合双余度
串行背板总线
任务可靠性
computer system
mix dual-redundancy
serial backplane bus
mission reliability
