Extraplanetary Exploration Using Electric Solar Wind Sail

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dc.contributor.advisorZhu, George Z.H.
dc.contributor.authorDu, Chonggang
dc.date.accessioned2022-12-14T16:18:24Z
dc.date.available2022-12-14T16:18:24Z
dc.date.copyright2022-04-20
dc.date.issued2022-12-14
dc.date.updated2022-12-14T16:18:23Z
dc.degree.disciplineEarth & Space Science
dc.degree.levelDoctoral
dc.degree.namePhD - Doctor of Philosophy
dc.description.abstractThis doctoral research investigates the problems in the dynamics and control of extraplanetary exploration using an electric solar wind sail (E-sail). The E-sail is a novel propellantless propulsion technology that harvests energy by repelling the charged particles in solar wind. It consists of a spinning central spacecraft connected by kilometer-long and thin positively charged tethers with remote units at their tips. Three dynamic models of E-sail are developed: the high-fidelity tether dynamic model, the generalized E-sail model, and the reduced-order analytical E-sail model. The coupling effects of orbital and self-spinning motions of the E-sail, the elastic deformation of tethers, the rigid-flexible coupling effect on the attitude dynamics and spin control of E-sail, and the stability control of the flexible E-sail are thoroughly investigated based on these models. Meanwhile, the controllability of E-sail spin rate and the attitude of the E-sail are demonstrated, and the trajectory tracking problems in extraplanetary exploration missions are studied. Finally, the main contributions of this dissertation are introduced.
dc.identifier.urihttp://hdl.handle.net/10315/40597
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectAerospace engineering
dc.subject.keywordsElectric solar wind sail
dc.subject.keywordsStability
dc.subject.keywordsConing motion
dc.subject.keywordsRigid-flexible coupling
dc.subject.keywordsSpin rate
dc.subject.keywordsSpin plane control
dc.titleExtraplanetary Exploration Using Electric Solar Wind Sail
dc.typeElectronic Thesis or Dissertation

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