To study the passive force characteristics of the bearingless slice motor,by 2D magnetic circuit analysis,the axial suspension force model and back torque model are built for non-PM motor.

• 为了研究无轴承薄片电机的被动悬浮特性,通过2D磁路分析的方法,建立了非永磁薄片电机的2D轴向悬浮力模型和回复力矩模型,并进行了有限元仿真验证。