Ground-Track Adjustment Using Impulsive Control for Earth Observation Satellite

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dc.contributor.authorMok, Sunghoonko
dc.contributor.authorBang, Hyochoongko
dc.date.accessioned2020-03-26T01:21:55Z-
dc.date.available2020-03-26T01:21:55Z-
dc.date.created2020-03-14-
dc.date.issued2018-05-21-
dc.identifier.citationAAS John L. Junkins Dynamical Systems Symposium-
dc.identifier.urihttp://hdl.handle.net/10203/273562-
dc.description.abstractThis study proposes an analytical, near-optimal, impulsive control method to overfly predefined ground targets. A derived set of impulses, that adjusts the ground-track of satellite, compensates for ground-targets-crossing-errors existed in the nominal (uncontrolled) orbit. The proposed method yields a simple set of delta-v solutions that only consist of orbital revolution numbers, which is similar to the solution set of the well-known multiple-revolution Lambert's problem. Hence, in the proposed method, the only task required to achieve optimal solution is to find the optimal revolution number that minimizes the delta-v, which can be easily done with conventional search algorithms. It is shown that this simplicity of the proposed solution for single-target case can be easily extended to general two-and three-targets overflight cases. Numerical examples demonstrate that the proposed method enables the spacecraft to overfly all the designated targets within a prescribed time in J2-perturbed orbit environment. Impulse magnitudes and firing times of the proposed analytical method are compared with those of the results from a numerical optimization method.-
dc.languageEnglish-
dc.publisherAAS-
dc.titleGround-Track Adjustment Using Impulsive Control for Earth Observation Satellite-
dc.typeConference-
dc.type.rimsCONF-
dc.citation.publicationnameAAS John L. Junkins Dynamical Systems Symposium-
dc.identifier.conferencecountryUS-
dc.identifier.conferencelocationCollege Station, TX-
dc.contributor.localauthorBang, Hyochoong-
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AE-Conference Papers(학술회의논문)
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