CoordinatedManeuverofSpacecraftFormationBasedonLine-of-sightMeasurement 

doi:10.3780/j.issn.1000-758X.2012.02.012

Chinese Space Science and Technology ›› 2012, Vol. 32 ›› Issue (2): 77-83.doi: 10.3780/j.issn.1000-758X.2012.02.012

CoordinatedManeuverofSpacecraftFormationBasedonLine-of-sightMeasurement 

ZHANG Wei¹, FENG Xiao-Hui², DENG Zhong-Min¹

(1School of Astronautics,BeihangUniversity，Beijing100191)
(2DongFangHongSatelliteCo.Ltd，Beijing100094) 

Received:2011-06-20 Revised:2012-04-25 Published:2012-04-25 Online:2012-04-25

Abstract

Abstract: Basedontheline-of-sightmeasurement,acooperativecontrolmethodforleaderlessformationflightispresented.Line-of-sightvectormeasurementisgeneratedwheneachsatelliteinaformationtracksitsneighboringspacecraft.Thefirstmemberoftheformationtracksthedesiredorbitaccordingtothecommandfromahighlevelcontroller.Achainformationisgenerated.Distancesbetweenline-of-sightmeasurementsaretakenasfeedbackoftheformationcontroller.Therelativeperturbationequationsareprovidedtomakesurethatmodelinguncertaintiesandperturbationsareconsideredinthecontrolstrategy.Cyclicformationcontrolisperformedviaslidingmodecontroller.Simulationresultsshowthattheproposedcontrolmethodcanbeusedforsatelliteformationmaintenanceandmaneuver.

Key words: Spacecraft formation, Line-of-sight measurement, Coordinated control, Sliding mode control, Microsatellite

ZHANG Wei, FENG Xiao-Hui, DENG Zhong-Min. CoordinatedManeuverofSpacecraftFormationBasedonLine-of-sightMeasurement [J]. Chinese Space Science and Technology, 2012, 32(2): 77-83.

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CoordinatedManeuverofSpacecraftFormationBasedonLine-of-sightMeasurement 

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