关键词: 永磁游标电机, 正交试验, 田口法, 转矩, 多目标优化

Abstract: The driving motor of the pumping unit used in oil field should have large output torque and small torque fluctuation at low speed. The 24 kW split-tooth permanent magnet vernier motor was taken as an example. the motor model was preliminarily determined by selecting the appropriate pole groove fit. The range of motor parameter selection was determined from the initial design parameters. The engine structural parameters were analyzed based on Taguchi ' s multiobjective optimization method, and the optimum structural parameter scheme was chosen. The finite element simulation analysis was performed to check for changes in the target parameters both before and after optimization, proving the rationality of the method. It can be concluded that the method is used for engineering practice.

Key words: permanent magnet vernier machine ( PMVM ), orthogonal test, Taguchi method, torque, multiple objective optimization