%0 Journal Article %T Design and analysis of interior composite-rotor bearingless permanent magnet synchronous motors with two layer permanent magnets %A Sun, X. %A Su, B. %A Chen, L. %A Yang, Z. %A Li, K. %J Bulletin of the Polish Academy of Sciences Technical Sciences %V 65 %N 6 %P 833-843 %@ 2300-1917 %D 2017-12-01 %I De Gruyter Open %~ DeepDyve