Energy Adaptability Analysis Based on the Stall Fault of Solar Array Drive Assembly for Medium Earth Orbit Satellite

Chenjie Kong, Huan Liu (), Baojun Lin, Xueliang Wang, Qiang Zhang and Yabin Wang
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Chenjie Kong: School of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Huan Liu: Innovation Academy for Microsatellites of Chinese Academy of Sciences, Shanghai 201304, China
Baojun Lin: Innovation Academy for Microsatellites of Chinese Academy of Sciences, Shanghai 201304, China
Xueliang Wang: Innovation Academy for Microsatellites of Chinese Academy of Sciences, Shanghai 201304, China
Qiang Zhang: Innovation Academy for Microsatellites of Chinese Academy of Sciences, Shanghai 201304, China
Yabin Wang: Innovation Academy for Microsatellites of Chinese Academy of Sciences, Shanghai 201304, China

Energies, 2025, vol. 18, issue 9, 1-21

Abstract: In response to the stalling fault of the solar array drive assembly (SADA) in an in-orbit MEO satellite, an analysis and research on the energy balance algorithm are conducted. This is performed under the continuous changes in the light period, shadow period, and the incident angle of the solar panels. An output energy model of the solar panels is presented. It is proven that this model is a continuous function, and the optimal stalling angle for energy output is deduced. By simulating and calculating the energy output under different stalling angles and taking into account the on-orbit performance degradation of the solar cell array, the energy output curve within one orbital period is obtained, which provides support for the on-orbit operation and maintenance of the satellite. Moreover, on-orbit verification was carried out in the case of a stalling fault of the -Y-wing SADA of a certain MEO-orbiting satellite.

Keywords: SADA; adaptive; incident angle of solar panel; power control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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