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Design and Realization of Treble-Redundancy Management Method of Flight Control System
Author(s): Pan Jihui, Zhang Shengbing, Zhang Xiaolin, Zhang Xiaojing
Pages: 798-
802
Year: 2013
Issue:
5
Journal: Journal of Northwestern Polytechnical University
Keyword: failure tolerant; Redundancy management; Synchronization; Cross Chanel Data Link (CCDL);
Abstract: 针对高空长航时无人机机载计算机可靠性指标要求,运用余度技术提高其可靠性与容错能力的方法,探讨了一种同构三余度的机载计算机.给出了余度配置、余度管理、机载计算机架构等关键技术,优化及完善了同步算法、交叉传输链路、系统BIT.半实物仿真验证与无人机飞行试验结果表明,该方案设计合理,不仅较好地完成了机载计算机的余度管理任务,而且有效提高了故障检测率,保证了系统的可靠性与容错能力.
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