一种分布式航天器综合电子系统设计

摘要

以综合电子系统层次模型为基础,提出并实现了一种分布式航天器综合电子系统设计方案.该方案以标准通用硬件模块、ASIC芯片、分层总线体系结构和空间通信协议体系作为基本的技术支撑,采用分布式的协同和并行处理,既可以提升信息网络服务能力和信息计算处理能力,也可以实现硬件模块和资源的共享及任务迁移和系统重构.在航天器上的应用表明:此方案可有效提升综合电子系统的运行效率及任务处理能力,增强综合电子系统对故障的容忍和处理能力,也能够显著提高综合电子系统的研制效率和产品化程度,使综合电子系统为构建高可靠、智能化的航天器提供所需的技术保障.%According to the model of avionics system hierarchy,this paper proposes and imple mentes a distributed spacecraft avionics system design scheme.This scheme applies distributed collaboration and parallel processing based on standard general hardware modules and ASIC chip,as well as hierarchical bus architecture and space communication protocol architecture,which can not only promote information network service and processing ability,but also realize sharing of hardware modules and resources,and task migration and system reconfiguration.Through the application in spacecraft,this scheme can effectively enhance the operational efficiency and task processing capabilities,improve the fault tolerance and processing capabilities of avionics,and can also significantly increase development efficiency and products degree of avionics system,so that the avionics system can provide the necessary technical support for the construction of high reliability and intelligent spacecraft.