本論文之受控體為血液泵，而血液泵內含有磁浮與馬達兩大系統。本論文主要對於血液泵內的兩相永磁同步馬達進行有限元素分析，運用Maxwell對於馬達進行二維與三維之磁路分析，得出二維與三維分析的感應電動勢，再與實際量測之感應電動勢進行比較，驗證模擬的準確性。 在另一方面為兩相馬達驅動，本論文採用電流放大器作為電源，由於電流放大器只能對線圈輸出單相電流，故搭配自行設計之換相板進行換相，且加入磁場導向控制，使血液泵能成功運轉。 ;The controlled body of this paper is a blood pump, and it contains two systems, “Magnetic Bearing System” and “Motor System”. In this thesis, the finite element analysis of the two-phase permanent magnet synchronous motor in the blood pump is carried out. Using the software, ANSYS Maxwell, to finish the magnetic circuit analysis of the motor on two dimension and three dimension. And then the induced electromotive force is obtained on each 2-D and 3-D analysis. It is compared with that by the actual measurement to verify the accuracy of the simulation. In this thesis, a current amplifier is used as the power supply for a two-phase motor drive system. Since the current amplifier can only output a single-phase current to the coil, it changes phase by adding a self-designed phase converter board. The field-oriented control can make the blood pump run successfully.
