›› 2012, Vol. 32 ›› Issue (2): 68-76.doi: 10.3780/j.issn.1000-758X.2012.02.011

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MultipleSpacecraftsOn-orbitServiceTaskAllocationBasedonDPSO

 ZHANG  Qi-Xin1,2, SUN  Fu-Chun2,3, XU  Bin2,3, LIU  Hua-Ping2,3   

  1.  (1NavalAeronauticalandAstronauticalUniversity,Yantai264001) 
     (2TsinghuaUniversity,Beijing100084)
     (3StateKeyLaboratoryofIntelligentTechnologyandSystem,Beijing100084)
  • Received:2011-04-28 Revised:2012-04-25 Online:2012-04-25 Published:2012-04-25

Abstract: Inordertosolvemulticonstrainedon-orbitservicetaskallocationforspacecraft,theprogrammingofon-orbitservicetaskallocationforon-orbitsatelliteswasstudied.Basedontheanalysisofthekeyfactorsincludingtargetsatellitevalue,servicespacecraftlossandenergy-timeconsumption,anon-orbitservicingmulti-spacecrafttaskallocationmodelwasformulated.Adiscreteparticleswarmoptimization (DPSO) algorithmwasproposedforon-orbitservicespacecraftcooperativetaskallocationproblems.Anewparticlepositionandnewupdatestrategyfortheparticlespeedweredeveloped.ThesimulationresultsshowthattheproposedDPSOalgorithmadmitsbetterconvergence,optimizationcapability,andcansolvetheon-orbitservicespacecraftcooperativetaskallocationeffectively.

Key words: Discrete particle swarm optimization, Task allocation, On-orbit service, Spacecraft