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时间:2019-11-26
《交会对接寻的段水平双脉冲交会轨道精确求解》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、第33卷第2期2014年3月飞行器测控学报JournalofSpacecraftTT&CTechnologyV01.33No.2Mar.2014引用格式:李革非,宋军.交会对接寻的段水平双脉冲交会轨道精确求解[J].飞行器测控学报,2014,33(2):140—147.LiGefei,SongJun.Exactsolutionoftherendezvousorbitofhorizontaldoubleimpulsesforthehomingphaseofspacecraftren—dezvousand
2、docking[J].JournalofSpacecraftTT&CTechnology,2014,33(2):140—147.交会对接寻的段水平双脉冲交会轨道精确求解李革非1’2,宋军2(1.航天飞行动力学技术重点实验室·北京·100094;2.北京航天飞行控制中心·北京·100094)摘要:基于考虑摄动影响的精确轨道动力学模型,对交会对接寻的段水平双脉冲交会轨道的精确求解方法进行了研究。提出了将控制脉冲的俯仰角近似转化为控制时刻的轨道幅角,从而调整脉冲控制时刻以消除径向速度增量的方法,精确求解首末
3、水平双脉冲的启控时刻;引入导引终点位置偏差的比例控制方法,精确求解水平双脉冲的精确控制量。仿真结果表明,2轮整体迭代可获得首末水平脉冲控制时刻和控制量的精确值,脉冲水平特性达到俯仰角小于1。,导引终点相对位置精度达到10m,验证了该方法的正确性。关键词:空间交会;寻的段;水平双脉冲;控制时亥4;导引终点;交会轨道;精确控制中图分类号:V448.219文献标志码:A文章编号:1674—5620(2014)02—0140—08D01:10.7642/j.issn.1674—5620.2014—020140
4、—08ExactSolutionoftheRendezvousOrbitofHorizontalDoubleImpulsesfortheHomingPhaseofSpacecraftRendezvousandDockingLIGefeil’2,SONGJUFl2(1.ScienceandTechnologyonAerospaceFlightDynamicsI.aboratory,Beijing10009452.BeijingAerospaceControlCenter,Beijing100094)Ab
5、stract:Basedonanaccurateorbitdynamicsmodeltakingintoconsiderationperturbationfactors,exactsolutionoftherendezvousorbitofhorizontaldoubleimpulsesforthehomingphaseofspacecraftrendezvousanddockingisstudied.ToobtainthecontroltimeSofthestartandendhorizontald
6、oubleimpulses,analgorithmisputforwardanditeliminatestheradialvectorsofdoubleimpulsesbyadjustingtheimpulsecontroltimeswithpitchanglestranslatedintoorbitarguments.Ascalealgorithmforproportionalcontroloftheend—pointpositionbiasforhomingphaseguidaneeisintro
7、dUCedtocalculatetheexactcontrolvaluesofhorizontaldoubleimpulses.SimulationindicatesthattheDroposedsolutioniscorreetandtheexactcontroltimesandmagnitudesofthehorizontaldoubleimpulsescanbeobtainedthroughtwo—rounditerationswhilethepitchangleaccuracyofhorizo
8、ntalcharacteristicsofimpulsesiswith—in1。andtherelativepositionaccuracyofhomingguidanceend—pointiswithin10m.Keywords:spacerendezvous;homingphase;horizontaldoubleimpulses;controltime;end—pointofguidance;ren—dezvousorbit:accuratecon
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