简介:Aimingathandlingcomplicatedmaneuversorotherunpredictedemergenciesforhypersonicglidevehicletracking,threecoupleddynamicmodelsofstateestimationbasedontheprioriinformationbetweenguidancevariablesandaerodynamicsarepresented.Firstly,theaerodynamicaccelerationactingonthetargetisanalyzedtorevealtheessenceofthetarget’smotion.Thenthreecoupledstructuresformodelingaerodynamicparametersaredevelopedbydifferentideas:thespiralmodelwithaharmonicoscillator,thebankmodelwithtrigonometricfunctionsofthebankangleandtheguidemodelwiththechangingruleofguidancevariables.Meanwhile,thecomparisondiscussionisconcludedtoshowthenoveltyandadvantageofthesemodels.Finally,aperformanceassessmentindifferentsimulationcasesispresentedanddetailedanalysisisrevealed.Theresultsshowthattheproposedmodelsperformexcellentproperties.Moreover,theguidemodelproducesthebesttrackingperformanceandthebankmodelshowsthesecond;however,thespiralmodeldoesnotoutperformthemaneuveringreentryvehicle(MaRV)modelmarkedly.