›› 2014, Vol. 34 ›› Issue (3): 23-31.doi: 10.3780/j.issn.1000-758X.2014.03.004

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RLVReentryMathematicalModeling

YUGuangxue1,LIZhaoying1,LINPing1,2   

  1. (1SchoolofAstronautics,BeihangUniversity,Beijing100191)(2BeijingAerospaceAutomaticControlInstitute,Beijing100854)
  • Received:2013-08-22 Revised:2013-10-22 Online:2014-06-25 Published:2014-06-25

Abstract: Areusablelaunchvehicle(RLV)reentryconceptualdesignandcontrolmodelingresearchwerepresentedforschemeanalysisinthepreliminarydesignstage.TheRLVaerodynamicconfigurationwasawingbodycombinationwithtwoelevonsatthewingtrailingedge,arudderontheverticaltailandaflapattheendofthebody.TheRCS/Aerosurfacescompoundcontrolmathematicalmodelwasdevelopedforattitudecontrol.Inordertorapidlyaccomplishthepreliminaryaerodynamicdatabases,theengineeringpredictionmethodwasappliedtocalculatetheaerodynamicforcesandmoments.Theaerodynamicregionsimplementedwasrarefiedflow,transitionalflow,andhypersoniccontinuumflow.Thecontrolanalysissupportedtheevolutionofthedesigntoprovideanoptimaldesign.AsixdegreesoffreedomreentrysimulationshowsthattheRLVaerodynamicandcontrolmodelhasthesameflightperformancesasthespaceshuttleorbiter.

Key words: Reusablelaunchvehicle, Reentry, Attitudecontrol, Modeling, Reactioncontrolsystem