›› 2016, Vol. 36 ›› Issue (6): 70-76.doi: 10.16708/j.cnki.1000-758X.2016.0065

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Multi-satelliteseparationsimulationbasedonvirtualprototype

 WANG  Jin-Chang*, YAN  Bo, ZHANG  Jia, LI  Cheng-Xiang, ZHANG  Yao-Lei   

  1. ChinaAcademyofLaunchVehicleTechnology,Beijing100076,China
  • Received:2016-05-18 Revised:2016-07-30 Online:2016-12-25 Published:2016-08-22

Abstract: Inmulti-satellitelaunchmission,thesatelliteseparationsimulationisrelativelycomplicated.Themotionstateisinfluencedbymultiplefactors,includingseparationspringforce,explosiveboltimpact,electricalconnectortension,spacecraftmass-property,initialmotionalparametersandsoon.Itisdifficulttosolvebyusingthetraditionalnumericalcalculationmethod.Virtualprototypingtechnologyisaneffectivewaytosolvetheproblemsabove.Thesatelliteseparationanalysiswascompletedbyvirtualprototypetechnology,throughsettingdeviationandinterference,simulatedthesatellitesseparationprocessunderthedeviationandfaultmode,evaluatedthepossibilityofcollisionandotherdangerousoccurrence.Theresultsshowthattheimpactontheseparationresultsfromsystemdeviationcanbeevaluatedbysimulation,springselectionisneededinthecaseofhighrisk.Secondary,theinterferencecausedbyelectricalconnectorsgenerallydoesnotaffecttheseparationsafetyduetotheshortactiontime.

Key words: virtualprototype, multi-satellitelaunchmission, ADAMSsimulation, dynamics, interferencedeviation