Satellite Constellation Orbit Design Optimization with Combined Genetic Algorithm and Semianalytical Approach

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dc.contributor.authorSavitri, Taniako
dc.contributor.authorKim, Youngjooko
dc.contributor.authorJo, Sujangko
dc.contributor.authorBang, Hyochoongko
dc.date.accessioned2017-07-04T02:48:32Z-
dc.date.available2017-07-04T02:48:32Z-
dc.date.created2017-06-26-
dc.date.created2017-06-26-
dc.date.issued2017-
dc.identifier.citationINTERNATIONAL JOURNAL OF AEROSPACE ENGINEERING-
dc.identifier.issn1687-5966-
dc.identifier.urihttp://hdl.handle.net/10203/224752-
dc.description.abstractThis paper focuses on maximizing the percent coverage and minimizing the revisit time for a small satellite constellation with limited coverage. A target area represented by a polygon defined by grid points is chosen instead of using a target point only. The constellation consists of nonsymmetric and circular Low Earth Orbit (LEO) satellites. A global optimization method, Genetic Algorithm (GA), is chosen due to its ability to locate a global optimum solution for nonlinear multiobjective problems. From six orbital elements, five elements (semimajor axis, inclination, argument of perigee, longitude of ascending node, and mean anomaly) are varied as optimization design variables. A multiobjective optimization study is conducted in this study with percent coverage and revisit time as the two main parameters to analyze the performance of the constellation. Some efforts are made to improve the objective function and to minimize the computational load. A semianalytical approach is implemented to speed up the guessing of initial orbital elements. To determine the best parametric operator combinations, the fitness value and the computational time from each study cases are compared.-
dc.languageEnglish-
dc.publisherHINDAWI LTD-
dc.subjectCOVERAGE-
dc.titleSatellite Constellation Orbit Design Optimization with Combined Genetic Algorithm and Semianalytical Approach-
dc.typeArticle-
dc.identifier.wosid000402925600001-
dc.identifier.scopusid2-s2.0-85021680609-
dc.type.rimsART-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF AEROSPACE ENGINEERING-
dc.identifier.doi10.1155/2017/1235692-
dc.contributor.localauthorBang, Hyochoong-
dc.contributor.nonIdAuthorSavitri, Tania-
dc.contributor.nonIdAuthorJo, Sujang-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusCOVERAGE-
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