中国空间科学技术

Chinese Space Science and Technology ›› 2013, Vol. 33 ›› Issue (5): 22-28.doi: 10.3780/j.issn.1000-758X.2013.05.004

Previous Articles     Next Articles

Pulsar/CNSIntegratedNavigationMethodBasedonImprovedKinematicandStaticFilterforDeepSpaceExplorer

 WANG  Yi-Di1, ZHENG  Wei1,2, AN  Xue-Ying1, SUN  Shou-Ming3   

  1. (1CollegeofAerospaceScienceandtechnology,NationalUniversityofDefenseTechnology,Changsha410073)(2NationalKeyLaboratoryofScienceandTechnologyonSpaceIntelligentControl,Beijing100190)(3StateKeyLaboratoryofAstronauticDynamics,Xi′anSatelliteControlCenter,Xi′an710043)
  • Received:2012-10-31 Revised:2013-01-25 Published:2013-10-25 Online:2013-10-25

PDF (PC)

1028

Abstract: APulsar/CNSintegratednavigationalgorithmbasedontheimprovedkinematicandstaticfilterwasproposedThemeasurementofpulsarandthestellaranglemeasurementwerefusedbytheimprovedkinematicandstaticfilter,inwhichtheUKFwasusedasthekinematicfiltertodealwiththestellaranglemeasurementatafastsamplingvelocityandtheEKFwasusedasthestaticfiltertodealwiththepulsarmeasurementataslowsamplingvelocityTheproposedimprovedkinematicandstaticfiltercanavoidthecorrelationsbetweenthefusiondatasetsofdifferentsensors.Thesimulationresultsshowthattheproposedintegratednavigationsystemcanimprovetheperformanceoftheautonomousnavigationsystemadoptedbydeepspaceexplorer.

Key words: Pulsarbasednavigation, Integratednavigation, AutonomousnavigationDatafusion, Deepspaceexploration