... ................................ ..............32 4.3.4 柔轮的有限元模拟................................ ................................ ..........33 4.4 本章小结................................ ................................ ................................ ...37 第5章永磁无刷直流电机的研究................................ ................................ ........38 5.1 永磁无刷直流电机的有限元分析................................ .............................38 5.1.1 有限元软件 Ansoft的简介................................ ..............................38 5.1.2 电磁场基本理论................................ ................................ ..............39 5.1.3 电机空载磁场分析................................ ................................ ..........41 5.2 永磁无刷直流电机的仿真分析................................ .................................43 万方数据