中轨道Walker导航星座备份策略分析SS设计  

Design of Medium Orbit Earth Walker Navigation Constellation Spare Strategy Analysis Simulation Software

作　　者：王许煜 胡敏 赵玉龙 李玖阳 WANG Xu-yu;HU Min;ZHAO Yu-long;LI Jiu-yang(Graduate School,University of Space and Engineering,Beijing 101416,China;32024 Troops of PLA,Beijing 100094,China)

机构地区：[1]航天工程大学研究生院,北京101416 [2]中国人民解放军32024部队,北京100094

出　　处：《计算机仿真》2022年第7期54-59,217,共7页Computer Simulation

基　　金：国家自然科学基金(61403416)。

摘　　要：针对中轨道Walker导航星座的备份策略问题,设计与实现了中轨道Walker导航星座备份策略分析仿真软件。软件由卫星可靠性分析模块、星座备份策略分析模块以及在轨备份星轨位设计模块组成。详细介绍了软件各组成模块的功能特性和关键技术,并给出了软件的应用实例。该软件能有效模拟卫星部件随机故障的动态行为,可为导航星座备份策略分析提供更为准确的卫星可靠性模型,支持对不同备份策略进行评估分析,从而获得不同条件下的最优备份策略,同时可对备份策略中在轨备份星轨位进行优化设计,可推广应用于其它卫星星座备份策略分析评估。Aiming at the problem of spare strategy of walker navigation constellation in medium orbit,the medium orbit earth Walker navigation constellation spare strategy analysis simulation software was developed.The software consists of three modules,including satellite reliability analysis module,constellation spare strategy analysis module and in-orbit spare satellite orbit position design module.The functional feature and key technologies of these modules were introduced in detail,as well as the application examples of software.This software can effectively simulate the dynamic behavior of satellite components with random failure,and provide a more accurate satellite reliability model for the analysis of the spare strategy of navigation constellation.It supports the evaluation and analysis of different spare strategies,so as to obtain the optimal spare strategy under different conditions.At the same time,it can optimize the orbit position of the spare satellite in the spare strategy,which can be applied to the analysis and evaluation of spare strategy of satellite constellation.

关 键 词：导航星座 卫星可靠性 备份策略 备份星轨位 仿真软件 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]