Research on a permanent magnet assisted synchronous reluctance machine with hybrid excitationMarcin Wardach, Pawel Prajzendanc, Ryszard Palka, Hao Chen, Kamil Cierzniewski, Jakub Ciurus, Michal Cichowicz, Rafal Pstrokonski and Szymon PacholskiEur. Phys. J. Appl. Phys., 97 (2022) 43DOI: https://doi.org/10.1051/epjap/2022210287