›› 2016, Vol. 36 ›› Issue (4): 24-.doi: 10.16708/j.cnki.1000-758X.2016.0048

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Faultdiagnosisofreactionwheelinsatelliteformation

WANG  Jia-Yi, WEN  Xin, ZHANG  Wan-Yi   

  1. SchoolofAstronautics,NanjingUniversityofAeronauticsandAstronautics,Nanjing210016,China
  • Received:2016-01-07 Revised:2016-06-04 Online:2016-08-25 Published:2016-06-30

Abstract: Thetechnologyofsatelliteformationflyingisanewtechnologyinthefieldofspace.Multiplelowcostsmallsatellitesareabletocompletemoredifficultspacemissions,butatthesametimetherearemorefaultdiagnosis.Aimingattheproblemsthatthesatelliteformationmayoccurincomplexspaceenvironment,adistributedswarmsystemofsatellitesforfaultdiagnosismethodbasedonElmanneuralnetworkwasproposed.Theexperimentalresultsshowthattheproposedschemecandetectthefaultofthereactionwheels,andtheadjacentsatellitecanalsodetectthefaults,whichisverygoodandrealtimeandiseffectiveandfeasibleinpracticalapplication.

Key words: satelliteformation, neuralnetwork, faultdiagnosis, attitudecontrol, reactionwheel