本論文主要目的在設計一個小型直驅式的軸向磁通車輪馬達。其流程先以基本磁路觀念計算出軸向磁通馬達的特性，再依據訂定的規格求得軸向磁通馬達最短的軸向尺寸，並搭配Ansoft公司的Maxwell EM 3D軟體加以驗證，最後依據最終設計的尺寸實作一車輪馬達。此外亦利用磁力軸承具有徑向力的特性，設計一組降低負載能力的混合式軸承，以提高馬達軸承的使用壽命，達到電動機高效率且免維護的理念。除了理論分析與模擬外，本論文亦提供實驗驗證結果。 The purpose of this paper is to design a direct-drive axial flux wheel motor. The motor dimensions are determined based on the required rating. A set of magnetic circuit models are used to calculate the basic motor characteristics and the design which has the shortest axial length is selected. The static and dynamic performance of the designed motor are calculated and verified with a finite element software. A prototype motor and driver is built to verify the performance of the motor experimentally. Finally, a passive magnetic bearing is designed to reduce the radial force acting on the motor bearings; the analysis shows that the bearings’ life can be extended with this design.
