卫星双轴柔性太阳翼在轨转动多体动力学分析与验证研究

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关键词：柔性多体动力学；机电耦合动力学与控制；双轴柔性太阳翼；太阳翼驱动机构；动量轮力矩分配 中图分类号：V412.4 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202307066

Multibodydynamics analysis and verification research of the satellite's dualaxisflexiblesolarwingrotationinorbit

DONG Fuxiang （InstituteofTelecommunicationandNavigation Satelites，ChinaAcademyofSpace Technology，Beijing1Ooo94，China）

Abstract：Thedisturbanceinducedbytherotationofdualaxisflexsolarwingistheimportantfactorwhichimpactssateliteatitude andpointingaccuracyandstabilityofsatelieprecisepayload.Theflexiblemultibodysystemmethodbasedonrecursive formulationisproposedtosolethedynamicsproblemiducedbysatelitedualaxisflexiblesolarwingrotationThesatelitedamics equationsareestablishedbyconsideringorbitmechanics，sateliteconfiguration，solarwingflexibilityandsolararraydriveasse blyand momentum whees.As an exampleof asatelite withdualaxis solar wing，theresearchonmultibodydynamicssimulation ofsatelitelectromechancalouplingisdeveloped，andtesimulatedatitdeangleandangularvelocityofsateltearecopred withthecoresponding telemetrydata.Theresearch showsthatthesimulatedatitudeangleandangularvelocityofsateliegree wellwiththeorrspodingtelemetrydata，ichproesteorrectssofteodel，eotionoffeibledualaxisarwing willproducebigdisturbancetorqueandatitudeangle，thecontroltorqueneedstobedistributedtomomentumwheelaseblyfor theacuratesimulationresults，andthedisturbancetorqueoffloatingsatelitecausedbytherotationofsolarwingwasobtained by simulation，which can give the reference condition of ground test verification of solar wing rotation.

Keywords：flexiblemultibodydynamics;mechancalandelectriccouplingdynamicsandcontrol;dualaxisflexiblesolarwing;olar array drive assembly;momentum wheel torque distribution

太阳翼在轨转动引起的卫星姿态扰动和低频振动是影响星上高精度载荷正常工作的主要因素之二[1-2]。（剩余9288字）