Unclosed magneticcurve is be build by simulation data of different specification drill pipe, which be used a rule to select optimum magnetization region.
应用不同规格钻杆的仿真数据，建立不同规格钻杆的不同开路磁化曲线，并以此作为最佳磁化强度的选择依据。
2
All levitation forces of the running train were obtained according to the distributions of overall magnetic conductance function and current charge curve for stator and rotor.