Abstract: Theinputshapingmethodscan′teliminateflexiblevibrationsduringtheattitudemaneuvering.Theresidualflexiblevibrationwillchangethestructureparametersofthelargeflexiblesolarsailspacecraftandinfluencethecontrolprecisionofattitudemaneuvering.Therefore,thecompoundcontrolmethodwasproposedtoeliminatetheflexiblevibrationduringtheattitudemaneuvering,basedonthecombinationoftwokindsofcontrolways.Thecouplingdynamicmodelsofsolarsailattitudemotionsandflexiblevibrationswereestablishedbythemethodoftakingthesailmembranesqualityequivalenttobooms.Consideringofreducingtheexternalforcesofvibrationmodes,twokindsofcompoundcontrolstrategieswereobtainedbythesimplifieddynamicmodels.Accordingtothesimulationresults,themaneuveringtimeofthesecondcompoundcontrolmethodisfewerthanthatoftheinputshapingmethod.Thesecondcompoundcontrolmethodcanreduceflexiblevibrationsto5%duringtheattitudemaneuveringprocessandmaketheprecisionofthemaneuveringanglebetterthan0.003°.Becauseofjustusingthoseexistedcontrolways,thealgorithmsofthecompoundcontrolmethodaresimpleandsuitabletothepracticalapplications.

Key words: Attitudemaneuver, Inputshaping, Vibrationsuppressing〓, Compoundcontrol, Solarsailspacecraft