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http://dx.doi.org/10.5139/JKSAS.2014.42.9.779

Development of Fuzzy Logic-based MPPT and Performance Verification through EBA for Satellite Applications  

Yeom, Seung-Yong (School of Aerospace & Mechanical Engineering, Korea Aerospace University)
Park, Ki-Yun (School of Aerospace & Mechanical Engineering, Korea Aerospace University)
Kim, Hong-Rae (School of Aerospace & Mechanical Engineering, Korea Aerospace University)
Chang, Young-Keun (School of Aerospace & Mechanical Engineering, Korea Aerospace University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.9, 2014 , pp. 779-788 More about this Journal
Abstract
The satellite should generate electric power efficiently to perform the mission successfully within limited power. For this reason, the electrical power system of LEO satellites usually regulates the power which is generated from the solar cells using MPPT (Maximum Power Point Tracking) method. This paper proposes advanced MPPT algorithm based on the fuzzy logic applied to small CubeSat satellite. The simulation has been performed to confirm the validity of the proposed method by interlocking between MATLAB/Simulink and STK (Systems Tool Kit). The EBA(Energy Balance Analysis) has also been performed at two different pointing modes of KAUSAT-5 for solar irradiation according to the satellite orbit and attitude, and load capacity varied with operation modes by Simulink and STK. The performance of fuzzy logic-based MPPT algorithm was verified through the EBA. The validity of the proposed MPPT algorithm based on the fuzzy logic was also confirmed by comparing with P&O (Perturbation & Observation) algorithm that is general in the MPPT.
Keywords
MPPT; STK(Systems Tool Kit); Fuzzy logic; Cubesat; EBA;
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