Comparison of magnetic forces for IPM and SPM motor with rotor eccentricity Kim, Kyung-Tae ; Kim, Kwang-Suk ; Hwang, Sang-Moon ; Kim, Tae-Jong ; Jung, Yoong-Ho Abstract Publication: IEEE Transactions on Magnetics Pub Date: September 2001 DOI: 10.1109/20.952634 Bibcode: 2001ITM....37.3448K