PreciseModelingandApplicationofFluidicRingActuator

doi:10.3780/j.issn.1000-758X.2013.03.005

Abstract

Abstract: Aprecisedynamicmodelofanovelattitudecontrolactuator——thefluidicringactuator(FRA)wasderived.Basedonthepracticalfactorsoftheflowinflowfield,thevariationofvelocitycausedbyviscouswasanalyzed.Theequivalentangularmomentumofthisnovelactuatorwasdeducedbyintegratingthevelocityoneverycrosssectionundertheconsiderationoffluidproperties.Then,theattitudedynamicsofthespacecraftwiththreeorthogonalFRAswasestablished.AnattitudecontrollawwasdesignedaccordingtotheattitudedynamicsofthespacecraftFRAssystem.Finally,simulationresultsdemonstratethattheoutputtorquehassuchadvantagesasfastreactionrateandsmallerrorbyusingtheprecisemodelofFRA.TheapplicationoftheprecisemodelofFRAmakestheattitudecontrolofaspacecraftmoreefficientandaccurate.

Key words: Attitudecontrol, Fluidicringactuator, Lyapunovfunction, Actuator, Spacecraft

GUAN Hong, XU Shi-Jie. PreciseModelingandApplicationofFluidicRingActuator[J]. , 2013, 33(3): 30-36.

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URL: http://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2013.03.005

http://journal26.magtechjournal.com/kjkxjs/EN/Y2013/V33/I3/30

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PreciseModelingandApplicationofFluidicRingActuator

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