星座自主导航系统设计与实现  

Design and implementation of autonomous navigation of constellation

作　　者：张艳[1] 张育林[2] 

机构地区：[1]国防科技大学航天与材料工程学院,长沙410073 [2]装备指挥技术学院,北京101416

出　　处：《宇航学报》2003年第5期525-528,共4页Journal of Astronautics

摘　　要：基于星间测量的星座自主导航系统的设计与实现,方案中针对计算量过大问题,引入分组并行机制。在充分分析卫星轨道动力学的基础上,利用卫星网的网形约束进行整网平差,首次提出动力学和几何法相结合的自主导航算法。通过实际GPS数据进行仿真与检验,仿真结果表明:该方法精度高,满足卫星星座自主生存的要求,设计方案可行。In this paper,design and Implementation of autonomous navigation of constellation using crosslink measurements was studied.In view of high computer cost,the group parallel method was introduced in the design.On the basis of analyzing the characteristics of orbit dynamics of satellite,the means of autonomous navigation combined with geometry method and dynamics method was first put forward,then using configuration of the satellite constellation as a constraint,the whole network adjustment was done.The real ephemeris of GPS was applied to simulation and test,the results demonstrate that the method's accuracy is high enough to satisfy the need of autonomous survive of constellation and the design is feasible.

关 键 词：星间测量 自主导航 整网平差 

分 类 号：V448.224[航空宇航科学与技术—飞行器设计]