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一种针对临近空间滑跃目标的轨迹跟踪方法.docx

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一种针对临近空间滑跃目标的轨迹跟踪方法 Title:TrajectoryTrackingMethodforNear-SpaceGlideVehicles Abstract: Near-spaceglidevehicleshavebecomeanareaofsignificantinterestduetotheirpotentialforlong-durationflightsandvariousapplications.Efficientlytrackingthetrajectoryofsuchvehiclesiscrucialforeffectivecontrolandmissionsuccess.Thispaperpresentsatrajectorytrackingmethodfornear-spaceglidevehicles,focusingonaddressingthechallengesposedbytheglidemotionandthedynamicsofthetarget. 1.Introduction Near-spaceglidevehicles,alsoknownashypersonicglidevehicles,aredesignedtotravelataltitudesbetweentheEarth'satmosphereandlowEarthorbit.Theyoffernumerousadvantages,includingextendedflighttime,globalcoverage,andrapidresponsecapabilities.However,trackingthetrajectoryofthesevehiclespresentsseveralchallengesduetohighspeeds,complexdynamics,andtheuncertaintyinthetarget'sbehavior. 2.BackgroundandRelatedWork Inrecentyears,significantresearcheffortshavebeenmadetodevelopeffectivetrajectorytrackingmethodsforvarioustypesofvehicles.Severalapproaches,suchasmodelpredictivecontrol,slidingmodecontrol,andproportional-integral-derivativecontrol,havebeenexploredfortrajectorytrackingindifferentapplications.However,thesemethodsmaynotbedirectlyapplicabletonear-spaceglidevehiclesduetotheiruniquecharacteristics. 3.SystemModeling Todevelopanaccuratetrajectorytrackingmethod,itisessentialtohaveacomprehensiveunderstandingofthedynamicsofthenear-spaceglidevehicles.Thissectionpresentsthesystemmodeling,whichincludesglidemotiondynamics,aerodynamicforces,andcontrolinputs.Themathematicalrepresentationsarederivedandvalidatedusingavailableflightdata. 4.TrajectoryPrediction Accuratetrajectorypredictionisthekeytoeffectivetracking.Thissectiondiscussesthetechniquesforpredictingthefuturetrajectoryofthetarget.Variousfactors,suchasatmosphericconditions,windeffects,andtargetintent,areconsideredtoenhancethepredictionaccuracy.Machinelearningalgorithms,suchassupportvectorregressionandneuralnetworks,canbeemployedtolearnthetarget'sbehaviorfromhistoricaldataan