Sarsembayev Б. 2021. Disturbance observer based discrete PI control system with back-calculation antiwindup technique for improvement transient performance of PMSM. Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series. 135, 2 (Jun. 2021), 94–105. DOI:https://doi.org/10.32523/2616-7263-2021-135-2-94-105.