框架面板式卫星在轨微振动仿真分析

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关键词:框架面板式卫星;微振动;动量轮;帆板驱动;柔性多体系统动力学 中图分类号:0313.7 文献标志码:A DOI:10.16385/j.cnki.issn.1004-4523.202402001
Micro-vibration simulation analysis of a frame-panel satellite on orbit
CAI Zhengzheng', SUN Jialiang', JINDongping',CHEN Hongcheng², GUAN Shujun² (1.State Key Laboratory of Mechanics and Control for Aerospace Structures,Colege of Aerospace Engineering
NanjingUniversity ofAeronauticsand Astronautics,Nanjing21oo16,China;
2.Innovation Academy forMicrosatellites ofChinese Academy of Science,Shanghai 201203,China)
Abstract;Duringtheoobitoperationofasatelit,micro-vbratiosgneratedbyriousdisturbancesouessuchasmometuwheels andsolararaydriveseblies(ADA)ecttesatelitstiudstabityndpotingacracytrebyduingthpefancf sensitivepayloadsonboardBasedonthfxibleulti-bodydyamicsmodel,thispaperompreensivelyconsiderstheifueneofan disturbanceoucndondtsadacsuatdneobitmivbatioharacterstisofmpaeatelitUsinte absoluteodaloatefladttualodatefottitelitdsieaeeed; therigid-bodydyamic modelofthemomentm wheelisdrivedbasedontheLagrangeequation,andteobitaldynamicequatiosofthe entiresateliabdefoiWittoedtelibs dynamicmodelisalidatedfroteeaspcts:ertialaractesticsodalaalysis,andorbitoerationles.Numericala resultsshowtattmageoftsatelittideanglesissicallostetwitteactualdata.Tsapealystevibaion responseofssiepdsdespodibatirsssonlrodingtreticalereefobt vibration suppression.
Keywords:frame-panelsatelite;micro-vibration; momentumwheel;solararrydriveassembly;flexible multiodysystemdyamics
近年来,随着深空探测、对地观测和星际测量等技术的发展,对航天器的姿态稳定性和指向精度提出了更高的要求[1-3]。(剩余23569字)