一种基于凸优化技术的航天器轨迹快速优化框架

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中图分类号:V412.4 文献标志码:B 文章编号: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
现阶段,航天任务将高自主性、高可靠性作为未来航天技术发展的重要发展特征[1]。(剩余7602字)