本文探討薄膜小直流鏈電容變頻器驅動永磁同步電動機系統。首先，研究兩種不同的控制方法，d-q軸電流控制法與正轉矩區間控制法，實現小直流鏈電容變頻器的驅動系統，以便有效提高輸入電源的功率因數。此外，所提的兩種方法可以延伸控速範圍。最後，利用阻尼補償控制來降低輸入電源側電流的諧波量。
為了改善電動機加載性能，本文使用預測型轉速控制器及預測型電流控制器應用於所研製的驅動系統中。實測結果說明預測型控制器具有較比例積分控制器更為優越的性能。
本文中使用數位信號處理器TMS320F2808作為控制核心，達成相關的控制法則，實驗結果驗證本文所提方法的正確性及可行性。

The thesis investigates a small film DC-Link capacitor based inverter driving a permanent magnet synchronous motor. Two control methods, including a d-q current control method and a positive torque region control method, are proposed to realize the small film DC-link capacitor based inverter drive system. The input source power factor is effectively increased. In addition, the adjustable speed range is extended. Finally, a damping compensation control is used to reduce the input current harmonics.
A predictive speed controller and a predictive current controller are used to improve transient responses and load responses. Experimental results show the predictive controllers provide better performance than the PI controllers.
A digital signal processor, TMS320F2808, is used as the control center to execute the relative control algorithms. Experimental results validate the correctness and feasibility of the proposed methods.

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