Differential drag-based ground track control of small earth observation satellite constellations차등 항력을 이용한 소형 지구관측 위성군의 지상궤적 제어 기법

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dc.contributor.advisorBang, Hyochoong-
dc.contributor.advisor방효충-
dc.contributor.authorLee, Juyoung-
dc.date.accessioned2023-06-23T19:35:03Z-
dc.date.available2023-06-23T19:35:03Z-
dc.date.issued2022-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=1007907&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/309338-
dc.description학위논문(박사) - 한국과학기술원 : 항공우주공학과, 2022.8,[iv, 71 p. :]-
dc.description.abstractThis paper presents a framework for the acquisition and the maintenance of ground track configurations of small Earth observation satellite constellations. Specifically, the relative ground track spacings at the equator are controlled using differential drag to achieve the desired Earth coverage pattern without using a propulsion system. The proposed framework is based on a divide-and-conquer approach to solving the optimal differential drag constellation management problem, and comprises five processes for solving the related subproblems. The proposed framework can be used to manage end-to-end applications, from establishing the initial acquisition plan for the target ground track configuration, to the closed-loop command generation for the ground track acquisition and maintenance. Using the proposed framework, optimal acquisition plans with the minimum time and minimum altitude losses can be identified in a systematic way. The usefulness of the proposed method is demonstrated based on simulations incorporating the uncertainties in drag prediction.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectDifferential drag control▼aGround track control▼aSmall earth observation satellite-
dc.subject차등 항력 제어▼a지상궤적 제어▼a소형 지구관측 위성군-
dc.titleDifferential drag-based ground track control of small earth observation satellite constellations-
dc.title.alternative차등 항력을 이용한 소형 지구관측 위성군의 지상궤적 제어 기법-
dc.typeThesis(Ph.D)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :항공우주공학과,-
dc.contributor.alternativeauthor이주영-
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