本文探討矩陣轉換器為基礎的內藏式永磁同步電動機驅動系統。當電動機運轉在低、中轉速時，由數位信號處理器計算電動機的機械功率高頻分量，達成最大轉矩/安培控制，文中設計一個模糊邏輯搜尋法則，得到最大轉矩/安培時的電流超前角。當電動機運轉在高轉速時，利用電壓限制邊界作為依據，控制電流超前角，執行高速弱磁控制，有效延伸電動機的轉速。
本文中使用數位信號處理器TMS320LF2407A以及高複雜度可程式化邏輯元件EPM570GT100C5作為控制核心，執行相關控制法則。實測結果說明本文所提方法具有良好的性能，包括寬廣的控速範圍以及良好的暫態響應、加載能力與追蹤能力。

This thesis proposes a matrix converter-based interior permanent magnet synchronous motor drive system. When the motor is operated at a low speed to medium speed range, the digital signal processor computes the high frequency component of the mechanical power. Then the maximum torque/ampere control can be achieved. A fuzzy logic searching algorithm is designed to obtain the advance current angle. On the other hand, when the motor is operated at a high speed range, the voltage constraint is used to determine the advance current angle for executing the field-weakening control so that the operating speed range can be extended.
A digital signal processor, TMS320LF2407A, and a complex programmable logic device, EPM570GT100C5, are both used as a control center to execute the control algorithms. Experimental results show the proposed system has good performance, including wide operating speed range and good transient response, load rejection ability, and tracking ability.

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