Based on distributed fault tolerant technique , high reliable bus technique of avionics and application technique of embedded real - time operation system , a design and an implementation of a distributed fault tolerant computer system which can control and manage aircraft onboard machine - electronic equipment integrated are presented 針對航空機電設(shè)備綜合控制管理預(yù)研項目,利用分布式容錯技術(shù)、高可靠航空電子總線技術(shù)和嵌入式實時多任務(wù)操作系統(tǒng)應(yīng)用技術(shù),設(shè)計并實現(xiàn)了一個分布式容錯計算機系統(tǒng)。
Focusing on the flight control computer system of some type of airplane , this paper first analyzes the advantage and disadvantage of the structures of many kinds of fault tolerant flight control computer systems and their ability in tolerating fault , followed by summarizing the key design technology . the dual similar redundancy fault tolerant computer system is brought forward as the design scheme for the required flight control computer . also brought forward is the particular system design 本文以某型號飛機飛控計算機系統(tǒng)為研究對象,首先分析了各種類型容錯飛控計算機體系結(jié)構(gòu)的優(yōu)缺點及容錯能力,總結(jié)了容錯計算機系統(tǒng)設(shè)計的關(guān)鍵技術(shù),然后提出了二模相似余度容錯飛控計算機系統(tǒng)設(shè)計方案,詳細設(shè)計了以motorola公司生產(chǎn)的先進powerpc740微處理器為核心處理器、以高性能的國際標準化通用vme總線為內(nèi)總線的交叉通道通信容錯計算機系統(tǒng)。