Research on Large-scale Information System Design Based on 1553B Bus
1553B buses were adopted to construct the large-scale information system of a huge spacecraft's GNC system.Three problems emerged in the information system design:Reliable com-munication of the long-distance bus,application layer protocol design and multi-bus management strategy.In this paper,the specific situation of the three problems were described,the solutions to the problems were given,and the effects of the solutions were verified.The results showed that:U-sing bus repeaters could obtain reliable communication in the 1553B bus of about 240 meters long,the designed application layer protocol could save the communication overhead and provide a variety of fault diagnosis information,and the bus management strategy could maximize the fault tolerance of the multi-computer multi-bus system.
万方数据
维普
