机动弹头的智能规避策略研究

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1、国防科学技术大学研究生院学位论文04032004学号分类号UDC372T密级公开国防科学技术大学研究生院学位论文国防科学技术大学研究生院学位论文赵秀娜学硕士学位论文机动弹头的智能规避策略研究硕士生姓名学科专业控制科学与工程研究方向模式i只别与智能系统4：匕已-rr教师马宏绪教授国防科学技术大学研究生院.〇〇六年十一月国防科学技术大学研究生院学位论文ABSTRACTRecently,thedevelopmentofNationalMissileDefense(NMD)systemofAmericamakesagreatchallengetoourst

2、rate^cnuke'soverawingdegree,especiallytheextra-atmosphereMid-courseDefensesystem.AsoneoftheeffectivewayofdealingwithExtra-atmospltericKillVehicle(EKV)wWchdestroysopponentsbyhit-to-kill,extra-atmosphereevasivemaneuveringtechniquehasbecomingnation'smainstrategicpreliminaryresear

3、ch.Afterintroducingthebackgroundandrecentstudystatusofthetopicfromthetwoaspectsofmissiledefenseandpenetrationtechnology,asthekeyproblemofthetechnique.IntelligentEvasiveStrategyisstudiedinthepaper,inciudingmaincontentsasfollows:Firstly,theperformanceparametersofattackingmissile

4、andEKVareanalyzedAndthenoiseproducingalgorithmisstudiedtoimitatethefunctionofinspectors-Then,thestartconditionsofsimulationarelistedandasix-degreeoffreedomdynamicsandkinematicsnaodelofdieattackingsideisestablished.Secondly,theIntelligentEvasiveStrategyisresearched,includingman

5、euvermode,maneuvermomentandmaneuverorientation.Anattitudesearchalgorithmisproposedtodecidemaneuverorientation,whichisbasedoamaximirfngtheoverloadingneededbyEKV(beyonditsavailableoverloading).Besidesbeingabletoevasiveinterception,thestrategyisrequiredtosatisfythoseasfollows:‘(1

6、)Excq>tperformanceofthemissileitself,maneuvermodehasnothingtodowithanyoflierfactors.(2)ManeuvermomentandmaneuverorientationdependonflightinformationofEKV-(3)Thestrategyshouldhaveagoodperformanceofrobustness.Asforcorrectingballistictrajectoryaftermaneuvering,fixed-timeregressio

7、nmethodisimpulseseparatelyonthetwopointstomakeitchangeitsorbitandreturntotheoriginorbitbeforegoingbacktotheatmosphere.Sotomakesurethewarheadhitthescheduledobjectaccurately.Finally,anattack-defensecombatsimulationsystemisdevelopedtocheckthefeasibilityandcorrectnessofthestrategy

8、proposedmthispaperThesimulationresultsshowthattheIntelligentE