航天器軌道動力學(xué)仿真技術(shù)研究.pdf

1、哈爾濱工業(yè)大學(xué)碩士學(xué)位論文航天器軌道動力學(xué)仿真技術(shù)研究姓名：白紹竣申請學(xué)位級別：碩士專業(yè)：一般力學(xué)與力學(xué)基礎(chǔ)指導(dǎo)教師：王日新20050601哈爾濱工業(yè)大學(xué)工學(xué)碩士學(xué)位論文AbstractThespacecraftorbitisoneofthemostimportantelementsintheflightmissions，andthedesignandpropagateofspacecraftorbitisapieceofimporta

2、ntandcomplexworkThus，thesimulationoforbitdynamicsmakesgreatsenseinmilitaryThispaperwhichisresearchonspacecraftorbitdynamicsimulationisanimportantandelementalpartofthenationalhigh—tech863—703plan“Theprimarysimulationsyste

3、mofspaceenvironmentandweapons”Inthisthesis，theorbittheoryofspacecraftisintroducedAhighprecisionmodeloforbitdynamicsisbuilt，inwhichtheperturbationsduetononsphericalgravitation，sunlightpressure，atmosphericdragandlunisolarg

4、ravitationareincludedThepropertiesofsunsynchronousorbit，geostationaryorbit，groundtracerepetitionorbit，molniyaorbitarestudiedandthewaystodesignsuchorbitsareofferedThesoftwaremoduledevelopedinthisthesisservesformanyothermo

5、dulesTheefficiencyofthismoduledirectlyaffectstheperformanceofthewholesystemThenumericalhighprecisionorbitpredictionalgorithm，whichincludesRunge—KuttaFehlbergadaptivestepintegralalgorithm，LegendrePolynomialsalgorithm，trig

6、onometricfunctionseriesandSOon，isthemostcomplexandexhausting，ThispaperoptimizedthealgorithmsrelatingtoorbitpredictionThecomputationalcomplexitytheorywasadoptedtoanalysisandoptimizethealgorithmsIntheresult，theefficiencyof

7、thealgorithmwasimprovedalotThesimulationsystemofspacecraftorbitdynamicsbasedonATLCOM，whichmakestheprogrammodularandreusable，isfinishedItoffersmanyfunctionssuchas，specialorbitsdesign，commonorbitdesign，highprecisionorbitpr

8、opagating，longtermorbitprediction，spacecraftattitudekinematicanalysis，groundtracereport，coverageanalysis，communicationlinkanalysisandS0OnAtlast，inordertotestthefunctionsofthesystem，atestplatformwasdevelopedThetestresults