RLVReentryMathematicalModeling

doi:10.3780/j.issn.1000-758X.2014.03.004

Chinese Space Science and Technology ›› 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Ping^1,2

（1SchoolofAstronautics,BeihangUniversity，Beijing100191）（2BeijingAerospaceAutomaticControlInstitute，Beijing100854）

Received:2013-08-22 Revised:2013-10-22 Published:2014-06-25 Online:2014-06-25

Abstract

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

Yu Guang-Xue, LI Zhao-Ying, LIN Ping. RLVReentryMathematicalModeling[J]. Chinese Space Science and Technology, 2014, 34(3): 23-31.

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