Approach towards Establishing a Backup Satellite Attitude Control System Based on the Photovoltaic ArrayAndry V. Sedel’nikov, Sergey L. Safronov, Alexander S. Filippov and Ekaterina K. SavichMATEC Web Conf., 220 (2018) 08005DOI: https://doi.org/10.1051/matecconf/201822008005