本論文提出內藏式永磁同步電動機驅動系統的轉軸角度估測方法及預測型控制器的設計與製作。文中，提出兩種轉軸角度估測方法，方法一利用適當持續激勵的d軸電流命令，以量測電流斜率，達成轉軸角度估測。適用於靜止狀態及低速，再搭配磁通估測，可擴展至高速。配合所提線上參數估測器，可降低參數變動所引起的角度估測誤差。方法二利用高頻電壓信號注入電動機的d軸後，藉由高頻d軸及q軸電流信號進行同步取樣，再補償互感及自感的影響，可有效地提高轉軸角度估測的精度。
此外，本文所提預測型控制器設計方法，具有甚佳的暫態響應、良好的加載響應及追蹤響應，適合用於無轉軸角度偵測元件的驅動系統。配合適應性補償法則後，可降低參數變動及外來干擾對控制性能的影響。與比例-積分控制器相較，本文所提方法具有系統化設計的特色。
本文使用數位信號處理器TMS320F2812作為控制核心，以實現轉軸角度估測及控制法則。實驗結果與理論分析相當吻合，說明本文所提相關方法的正確性及可行性。

This dissertation proposes rotor position estimators and predictive controllers for interior permanent magnet synchronous motor (IPMSM) drive systems. Two rotor position estimating methods are investigated. Method 1 uses a persistently exciting d-axis current command to detect the current slope and then to obtain the estimated rotor position. This method can be applied for standstill condition and low speed operating range. In addition, by using the rotor flux estimating method, method 1 can be extended to a middle- and high-speed operating range. By using the proposed parameter estimator, the sensitivity problem can be obviously improved. Method 2 uses the high-frequency d-axis voltage injection signal to detect the related high-frequency d-axis current and q-axis current. After that, by suitably compensating the influence of the mutual-inductance and self-inductance, the accuracy of the estimated rotor position can be effectively improved.
Moreover, this dissertation proposes predictive controllers to improve transient responses, external load disturbance responses, and tracking responses in sensorless drive system. In addition, by using the adaptive law, the external disturbance could be compensated. The proposed methods have systematic design process than the PI controller.
A digital signal processor, TMS320F2812, is used as a control kernel to execute the rotor position estimation and control algorithms. Experimental results can validate the theoretical analysis to show the correctness and feasibility of the proposed methods.

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