HybridSteeringLawwithFeedbackandFeedforwardforSingleGimbalControlMomentGyroscopes

doi:10.3780/j.issn.1000-758X.2013.03.001

Abstract

Abstract: Inordertoimprovetheperformanceinsingularityavoidanceandescapeofthedynamicsteeringlawforsinglegimbalcontrolmomentgyroscopes(SGCMGs),ahybridsteeringlawwithfeedbackandfeedforwardwasproposed.WhenSGCMGswasnotsingular,thedynamicsteeringlawwithfeedbackwasused.WhenSGCMGsapproachingtoorlockedinthesingularpoints,thefeedforwardwasconstructedtohelpthemavoidordetourroundthesingularpoints.Comparedwiththeconventionaldynamicsteeringlaws,thehybridonehasmuchmoresuperiorperformancesinsingularityavoidanceandescape.Meanwhile,thealgorithmhaslittlecalculationamountandiseasytoimplementsinceitonlyneedsthetransposeratherthanthepseudoinverseoftheJacobianmatrix.Extensivesimulationresultsdemonstratetheeffectivenessofthealgorithm.

Key words: Kinematicsingularities, Controlmomentgyroscopes, Hybridsteeringlaw, Attitudecontrol, Spacecraft

WU Zhong, DENG Shi-Long, WEI Kong-Ming, GUO Lei. HybridSteeringLawwithFeedbackandFeedforwardforSingleGimbalControlMomentGyroscopes[J]. , 2013, 33(3): 1-7.

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URL: http://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2013.03.001

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HybridSteeringLawwithFeedbackandFeedforwardforSingleGimbalControlMomentGyroscopes

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