基于信息流的耦合数字卫星构建方法Construction Method of Coupled Digital Satellite Based on Information Flow
石薇,王永,常亮,王明亮
摘要(Abstract):
针对卫星的地面测试、系统演练及在轨运行等需求,提出了基于信息流的耦合数字卫星构建方法,通过低成本、低风险、高效率的模拟硬件行为,解决了硬件未全部就绪的情况下,开展软件全生命周期的并行开发及测试;通过提供动力学、能源、热模型等耦合数学模型库,解决仿真系统和真实卫星行为差异问题,提供了在轨卫星故障链预演和分析平台。基于信息流的耦合数字卫星以虚拟处理器仿真为核心,通过硬件行为模拟,结合多物理场数字模型,扩展了数字卫星仿真的覆盖面,加强了仿真的真实性,降低了成本与风险。
关键词(KeyWords): 数字卫星;信息流仿真;耦合模型;并行测试;在轨维护
基金项目(Foundation): 国防基础科研计划(JCKY2019130D015)
作者(Author): 石薇,王永,常亮,王明亮
参考文献(References):
- [1] Chait S B,Spencer D A.Georgia tech small satellite real-time hardware-in-the- loop simulation environment:SoftSim 6D[R].Atlanta:Georgia Institute of Technology,2015
- [2] 陶飞,刘蔚然,张萌,等.数字孪生五维模型及十大领域应用[J].计算机集成制造系统,2019,25(1):1-18 Tao Fei,Liu Weiran,Zhang Meng,et al.Five-dimension digital twin model and its ten applications[J].Computer Integrated Manufacturing Systems,2019,25(1):1-18 (in Chinese)
- [3] 欧阳高翔,李鑫,董鑫,等.全数字仿真及其在卫星在轨维护中的应用[J].系统仿真学报,2016,28(4):219-230 Ouyang Gaoxiang,Li Xin,Dong Xin,et al.All-digital simulation technique with application to on-orbit spacecraft maintenance and servicing[J].Journal of System Simulation,2016,28(4):219-230 (in Chinese)
- [4] 张涛,李瑞军,范延芳.基于SPARC V8的星载嵌入式软件全数字仿真平台设计与实现[J].计算机测量与控制,2020,28(1):11-15 Zhang Tao,Li Ruijun,Fan Yanfang.Design and implementation of a full-digital simulation platform for on-board embedded software based on SPARC V8 architecture[J].Computer Measurement & Control,2020,28(1):11-15 (in Chinese)
- [5] 郭向英,盛庄,张西超.基于VTEST的TMS320C3x指令集模拟器设计[J].计算机工程与设计,2013,34(6):1973-1977 Guo Xiangying,Sheng Zhuang,Zhang Xichao.Design of TMS320C3x instruction set simulator based on VTEST[J].Computer Engineering and Design,2013,34(6):1973 -1977 (in Chinese)
- [6] 鄢婉娟.太阳同步轨道卫星电源系统设计计算方法研究[J].中国空间科学技术,2001(3):19-25 Yan Wanjuan.Research of sun synchronization orbit satellite power system design computationmethod[J].Chinese Space Science and Technology,2001(3):19-25 (in Chinese)
- [7] 闵桂荣.卫星热控制技术[M].北京:中国宇航出版社,1991 Min Guirong.Satellite thermal control technology[M].Beijing:China Astronautics Publishing House,1991 (in Chinese)
- [8] 李运泽,宁献文,王晓明,等.纳卫星散热面与隔热层的联合设计模型与算法[J].北京航空航天大学学报,2007,33(4):414-417 Li Yunze,Ning Xianwen,Wang Xiaoming,et al.Integrative design model and algorithm for nano-satellite’s radiator surfaces and heat insulation layers[J].Journal of Beijing University of Aeronautics and Astronautics,2007,33(4):414-417 (in Chinese)
- [9] 章仁为.卫星轨道姿态动力学与控制[M].北京:北京航空航天大学出版社,1998 Zhang Renwei.Satellite orbit and attitude dynamics andcontrol[M].Beijing:Beihang University Press,1998 (in Chinese)
- [10] Corpino S,Caldera M,Masoero M,et al.Thermal design and analysis of a nanosatellite in low earth orbit[J].Acta Astronautica,2015,115:247-261