Improving the reliability of operation of electromechanical devices by means of ionistor-battery backupW Biały, E.M. Stepanova, V.I. Zatsepina, E.P. Zatsepin and P.I. SkomorokhovE3S Web Conf., 124 (2019) 05064DOI: https://doi.org/10.1051/e3sconf/201912405064