抄録
Permanent magnet linear synchronous motors are widely used in the linear drive systems. For the optimum design of linear motors, it is necessary to obtain the thrust characteristics accurately. In this paper, we calculate the thrust characteristics of a Surface Permanent Magnet Linear Synchronous Motor (SPM-LSM) using the 3-D finite element method taking into account eddy currents in the cores, and the results are compared with the 2-D calculated and the measured ones. Consequently, it is clarified that the 3-D finite element analysis is very useful to obtain the thrust characteristics of the SPM-LSM.
