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http://dx.doi.org/10.5139/JKSAS.2004.32.7.105

Development of Low-Cost and Low-Power Picosatellite Electrical Power Subsystem  

Park, Je-Hong (한국항공대학교 대학원)
Kim, Young-Hyun (한국항공대학교 대학원)
Moon, Byoung-Young (한국항공대학교 대학원)
Chang, Young-Keun (한국항공대학교 항공우주 및 기계공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.32, no.7, 2004 , pp. 105-116 More about this Journal
Abstract
The design of pico-/nano-satellites is particularly challenging due to constraints in mass, volume, power, and surface area. An efficient low-cost picosatellite HAUSAT-1 Electrical Power Subsystem (EPS) is developed to supply the power for various loads during the full mission life. This paper addresses design and analysis results of solar arrays, batteries, power conditioning and distribution units. The component selection, manufacturing and test results are presented by considering appropriate development cost and performance. The simulation results of power system are also illustrated, according to operational modes, through energy balance analysis. Finally, the EFS design feasibility is verified by comparing analysis results with functional and environmental test results at the system and component levels, respectively.
Keywords
EPS; Picosatellite; Energy Balance Analysis; HAUSAT-1; Li-Ion Battery;
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