Chinese Space Science and Technology ›› 2013, Vol. 33 ›› Issue (6): 17-25.doi: 10.3780/j.issn.1000-758X.2013.06.003
Previous Articles Next Articles
GU Liang-Xian1, ZHAO Ji-Song2
Received:
Revised:
Published:
Online:
Abstract: Ageneralnonsmoothtrajectoryoptimizationapproachwaspresented.Themeshrefinementprocedurebasedondatacompressondyadicgridswasimprovedtoincreasetheefficiency,usabilityandflexibility,andwasthencombinedwiththelocalcollocationmethodwhichtookadvantageofscaling,sparsityanddifferentnumericaldifferentiationofnonlinearprogramming(NLP).NumericalsimulationonEarth-to-Marstransferorbitoptimizationdemonstratesthattheapproachcapturesnonsmoothregionsexactlywithdensitymeshandhasthepotentialofon-boardoptimization.Furthermore,theapproachcapturesnon-smoothregionsofstateseventhoughthemeshisrefinedaccordingtothecontrolvariables.ForEarth-to-Marstransferorbitoptimization,itisbettertodefinethethrustanglein[0,360°)thanthatin[-180°,180°).
Key words: Collocationmethod, Meshrefinement, Earth-to-Marstransferorbit
GU Liang-Xian, ZHAO Ji-Song. Earth-to-MarsTransferOrbitOptimizationBasedonMeshRefinement[J]. Chinese Space Science and Technology, 2013, 33(6): 17-25.
Add to citation manager EndNote|Reference Manager|ProCite|BibTeX|RefWorks
URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2013.06.003
https://journal26.magtechjournal.com/kjkxjs/EN/Y2013/V33/I6/17