一種基于凸優(yōu)化技術(shù)的航天器軌跡快速優(yōu)化框架

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中圖分類號:V412.4 文獻標(biāo)志碼:B 文章編號:1671-5276(2025)03-0132-07
Rapid Optimization Framework for Spacecraft Trajectories Based on Convex Optimization Technology
JINShuaichen
(College of Astronautics,Nanjing University of Aeronauticsand Astronautics,Nanjing 211O6,China)
Abstract:Asrendezvousandapproach perations frequentlyappear invariousspace misionsrelatedtothedevelopmentof aerospacetechnology,improvingtherapidorbitinsertionandmisioexpansionofinorbitspacecraftisofgreatsignificancefor saving manpowerand materialresources.Arapidoptimization framework forspaceraft trajectory basedonconvexoptimization techniques was proposedbyBirkhoffpseudospectralmethod.Adynamicmodeloftwo-bodyrelativemotion wasestablished, optimalcontroltheorywasintroduced,andconvexoptimization techniqueswereusedtohandlenonlinearconstraints.The theoreticalframeworksofBirkhoffpseudospectralmethodbasedonfirst-orderdiferentiation(FBPSM)andsecond-order diferentiation(SBPSM)weredeveloped.Theresults indicatethatFBPSMand SBPSMnotonlyinheritthesolvingadvantagesof traditionalpseudospectralmethods,utalsoincreasecomputationalefiencybyboutthreetimesintersofomplexdmical systems.Thisstudyprovidesthetheoreticalreferenceandtechnicalsupportforeal-timereconstructionandrapidoptimizationof spacecraft trajectories.
Keywords:in-orbitspacecraft;rendezvousandapproachoperations;trajectoryoptimization;Birkhof pseudospectralmethod; convex optimization technique;optimal control theory
0 引言
現(xiàn)階段,航天任務(wù)將高自主性、高可靠性作為未來航天技術(shù)發(fā)展的重要發(fā)展特征[1]。(剩余7602字)