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引导系统对舰载机自动着舰的安全性至关重要,而着舰引导计算机是该系统的核心。为了提高引导系统的安全可靠性,避免共性故障及其它故障带来的严重后果,可以采用非相似余度技术。从着舰安全的实际需求出发,对着舰引导计算机的体系结构进行研究,设计了一种基于非相似余度的着舰引导计算机结构方案,并应用一种简化的可靠性结构模型对其进行可靠性分析,结果显示该结构能满足系统的安全可靠性指标。
Guided systems are crucial to the safety of carrier-based aircraft, and the guided computer is at the core of the system. In order to improve the safety and reliability of the guidance system and to avoid the serious consequences caused by common faults and other faults, the non-similar redundancy technique can be adopted. Based on the actual demand of the ship security, this paper studies the architecture of the guided-ship computer and designs a scheme of the ship-borne computer structure based on the non-similar redundancy, and applies a simplified reliability structure model Reliability analysis, the results show that the structure can meet the system’s safety and reliability indicators.