资源描述：
《平流层飞艇超压控制的建模与仿真》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、华中科技大学硕士学位论文平流层飞艇超压控制的建模与仿真姓名：陈行军申请学位级别：硕士专业：系统分析与集成指导教师：齐欢20060421AbstractAsanage-oldaircraft,airshiphasenabledhumantotravelintheairevenbeforethebirthoftheplane.However,withthewreckingoftheGermanairship“”whenlandingonAmerica,airshiphasquitthehistoricalstageeversince.Still,it
2、hasoncemoreattractedtheattentionofthescientistsasalowenergy-consumingaircraftintoday’sworldwiththeincreasinglyfierceenergycrisisandtherapidprogressofscienceandtechnology.Modernairshipcanbeuniversallyappliedintransportationandconstruction,whileservingasacommunicationplatformof
3、stratosphere.Manyoverseasaircraftmanufacturingcompaniesviewithoneanothertodevelopvariouskindsofnewairshipsathighcosts,thusendowingthisaerotechnicswhichhasslumpedforyearswithdazzlingvitality.Underthisbackground,pressurecontrolforstratosphericplatformairshipwasstudiedinthispape
4、r.Theatmosphericmodelwasestablishedforthesuperpressurecontrolofstratosphericairshipsandthepressuremodelfortheairshiplongitudinalmovementandcontrolisalsopresented.Onthisbasis,themodelwasisomorphictransformedtofacilitatethecomputernumericalsimulationandthecorrespondingsimulatio
5、nmodelwasestablished.BasedonCreator/Vega,athree-dimensionrealisticdisplaysystemwasrealizedunderVC6.0andbymeansofexperiment,feasiblecontrolstrategiesfordifferentrunphasesoftheairshipwereformulated.Idealresultsweregot,whichservetoshowthatthemodelsestablishedwereeffective.Withth
6、issimulationmodel,variouscontrolstrategiescanbeimplementedandthesystemdesignperiodcanbeeffectivelyshortened.Thesimulationsystemestablishedcanassistinthestructuraldesignoftheairshipandprovideanexperimentplatformfortheformulationofthecontrolstrategiesintheprocessofblastoff,fixe
7、d-pointandrecoveryoftheairship.Resultsofthesimulationhavenotonlysupportedthedesignofthepressurecontrolstrategiesfortheself-dependentairship,butalsoprovidedasolidfoundationforthefurtherstudyontheattitudecontroloftheairshipduringitswholeflight.Keywords:stratosphericplatformairs
8、hip,pressurecontrol,modeling,Creator/Vega,visiblesimulationII独创性声明本人
