Abstract:Theredundantmanipulationsondifferentcontrolsurfacesoftilt-rotorcraftareofgreatimportancefor itscontrolreconfiguration.Thenonlinearmodeltrimandsmallperturbationlinearizationprocessingresultare presentedbasedonthesmallunmannedtilt-rotorcraftflightdynamicsmodel.Thepitch,rollandyaw moment changingresultsareobtained,andmanipulationefficiencyisanalyzedindetailunderindependentcontrolofthe differentcontrolsurface,whichconfirmedthatredundantcontrolsurfaceoftilt-rotorcraftisofthereconfiguring capacity.Manipulationstylesunderdifferentflightmodearedetermined,andweightcoefficientmatrixofallo- cationstrategyofcontrolsurfaceisobtained.Basedontheresultsofanalysis,thethreedifferentfullmode flightconversionpathsarepresented,andtherelationsamongtheflightspeedandturnforwardangle,attitude angle,manipulationquantityarecalculated.Theresultsshowthatmanipulationefficiencycanbeachieved throughthethreeconversionpaths,andindicatethatredundantcontrolsurfacereconfiguringabilityoftilt-rotor- craftcanberealized.
