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时间:2020-04-25
《交会对接寻的段水平双脉冲交会轨道精确求解-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第33卷第2期飞行器测控学报Vo1.33No.22014年3月JournalofSpacecraftTT&CTechnologyMar.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—dezvousanddocking[J].JournalofSpacecraftTT&CTechno
2、logy,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。,宋军(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
3、平特性达到俯仰角小于1o,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;控制时刻;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—08D0I:10.7642/i.issn.1674—5620.2014—02—014O—O8ExactSolutionoftheRendezvousOrbitofHorizontalDoubleImpulsesfortheHomingPhaseofSpacecraftRendezvousandDockingLIGefei.SONG
4、Jun。(1.ScienceandTechnologyonAerospaceFlightDynamicsLaboratory,Beijing100094;2.BellingAerospaceControlCenter。Beiiing100094)Abstract:Basedonanaccurateorbitdynamicsmode1takingintoconsiderationperturbationfactors,exactsolutionoftherendezvousorbitofhorizontaldoubleimpulsesforthehomingphaseofspace
5、craftrendezvousanddockingisstudied.Toobtainthecontroltimesofthestartandendhorizontaldoubleimpulses,analgorithmisputforwardanditeliminatestheradialvectorsofdoubleimpulsesbyadjustingtheimpulsecontroltimeswithpitchanglestranslatedintoorbitarguments.Ascalealgorithmforproportionalcontroloftheend—p
6、ointpositionbiasforhomingphaseguidanceisintroducedtocalculatetheexactcontro1valuesofhorizontaldoubleimpulses.SimulationindicatesthattheproposedsolutioniscorrectandtheexactcontroltimesandmagnitudesofthehorizontaldoubleimpulsescanbeobtainedthroughtWO—。rounditerationswhilethepitchangleaccuracyof
7、horizontalcharacteristicsofimpulsesiswith—-in1。andtherelativepositionaccuracyofhomingguidanceend—pointiswithin10m.Keywords:spacerendezvous;homingphase;horizonta1doubleimpulses;controltime;end—pointofguidance;ren—dezvousorbit:accuratecontrol距几
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