文档介绍：plexconstraintsJiangZhao,RuiZhou*SchoolofAutomationScienceandElectricalEngineering,BeihangUniversity,Beijing100191,ChinaReceived19November2012;revised1April2013;accepted20July2013Availableonline6November2013KEYWORDSHypersonicvehicles;Reentrytrajectoryoptimiza-tion;Multi-phaseGausspseudo-spectralmethod(MGPM);Waypoint;No-flyzoneAbstractThereentrytrajectoryoptimizationforhypersonicvehicle(HV),suchaswaypointsforreconnaissanceandno-flyzonesforthreatavoidance,,Gausspseudospectralmethod(GPM)hasbeendemonstratedasaneffectivetooltosolvethetra-,plexconstraints,uracyofapproximatetrajectorynearno--phasetechniquebasedontheGPMtogenerateanoptimalreentrytrajectoryforHVsatisfyingwaypointandno---phasetechniqueinreentrytrajectoryoptimizationwithway-pointandno-flyzoneconstraints.ª&(HV),anewtypeofaerospacevehicle,isofgreatimportanceduetoitsremarkableabilityofreentering*.:+-mailaddresses:******@.(),******@buaa.().-ousHVtechnologiestoenhanceglobalreachcapability,reen-trytrajectoryoptimizationhasalwaysbeenconsideredadifficultproblem,,twocategoriesofnumericalmethodsareintroducedforsuc