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ID:27273963
大小:2.87 MB
页数:112页
时间:2018-12-02
《轨道转移飞行器轨迹优化与制导分析》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、-------Abstracttheeffectofdifferentheliocentricvelocityisconsidered,andconsideringtheinfluenceofaeroheat,theconvectiveheatingratesofthevehicleisconstraint.Simulationresultshowsthat,comparedwiththesituationwithoutrestraint,theprovidedturningangleandheliocentricvelocityincrementarealldecrea
2、sed.Sowhenwedesigntheoptimaltrajectoriesforvehicles,weshouldnotonlymaketheperformancefunctionoptimal,butalsokeepconvectiveheatingratesinaaffordableleveltothevehiclesduringaflight,toavoiddoingthermaldamagetothem.Finally,combinedatmosphericguidancemethodisusedfortheaero-gravityassistorbital
3、maneuverproblemresearch,andtheeffectivenessofthealgorithmisverifiedthroughsimulation.Inconclusion,inthisthesis,wehavemadeatheoreticalanalysisonsomerelatedissueslikedynamicmodeling,trajectoryoptimizationandguidanceoftheorbitaltransfervehicle,andmaderesearchanddiscussionontheseproblemsbycom
4、biningtrajectoryoptimizationmethodwithsimulationtechnology.ThisresearchwillplayanimportantrolewhenitappliedinChina’sspacetransportationsystem.Keywords:orbitaltransfervehicle,dynamicmodeling,trajectoryoptimization,combinedatmosphericguidance,thepsedospectralmethod-III------------目录目录摘要....
5、...................................................................................................................IAbstract.............................................................................................................................II第1章绪论.................................
6、................................................................................11.1课题来源及研究意义...........................................................................................11.2课题国内外研究现状...........................................................................................2
7、1.2.1OTV的研究现状.............................................................................................21.2.2气动辅助轨道转移(AOT)机动国内外研究现状....................................31.2.3气动引力辅助(AGA)轨道机动国内外现状...........................................41.3本文研究内容及安排..............
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