航天器遥测信息传递通用接口设计

Design of Spacecraft Telemetry Transfer Universal Interface

针对国内各航天器研制方与测控中心在遥测信息处理传递过程中面临的设计不统一、结构不规范、处理周期长、交互难度大等问题,采用分层模型的遥测参数处理方案,设计航天器遥测信息传递通用接口.参照空间数据系统咨询委员会(CCSDS)的可扩展标记语言的遥测遥控信息交换(XTCE)标准,实现航天器遥测信息由顶层至底层、从总体结构到单个元素的规范设计.首先,建立通用规范的航天器遥测信息分层表示模型,明确航天器各分系统的分支节点;其次,详细定义航天器遥测元素标记,包括属性、可选属性、下属元素等;最后,实现了遥测信息传递通用接口软件.设计验证结果表明:航天器遥测信息传递通用接口可实现遥测信息从航天器研制方到测控中心的无损传递,提高航天器设计制造、测控管理和应用效能.

In order to solve the telemetry processing and transferring problem,such as the design disunity,structural irregularities,long processing time and difficult interaction,between the spacecraft manufacturers and control center,a hierarchical model for telemetry processing is taken and the telemetry transfer universal interface is proposed based on XTCE(XML telemetric and command exchange)standard with CCSDS.The telemetry detailed design is made from the top to the bottom and from the overall structure to the single element.Firstly,a general and canonical spacecraft telemetry model is established,and the subsystem nodes are defined;afterwards,the telemetry elements are defined,including the attribute,optional attribute,subordinates’attributes,etc.Finally,the telemetry transfer universal interface software is made.Design verification results show that the universal interface can transfer the telemetry from spacecraft manufacturers to control center nondestructively and quickly,and it is important for the spacecraft design and manufacture,control and management,and application efficiency.