本論文藉由永磁同步馬達之等效電路特性分析，於馬達靜止到無位置感測器運轉的過程中，利用驅動控制器注入經由設計之電壓訊號，並將所量測之相電壓與相電流資訊利用遞迴式最小平方法估測永磁同步馬達的相關電氣參數值，藉此達到無須使用儀器，僅以驅動控制器即可達成自動鑑別出馬達電氣參數之目標。本論文更將所發展之馬達參數自動估測演算法整合至無位置感測器驅動的開迴路啟動流程中，因此本論文所提出之馬達參數自動估測方法，具備估測程序快速、方便性高等特性。本論文並透過低成本之16位元微控制單晶片實現電氣參數自動量測以及無位置感測器磁場導向驅動控制的永磁同步馬達驅動控制器。搭配市售之內藏式永磁同步馬達以及表面黏貼式永磁同步馬達實際進行馬達參數自動量測與無位置感測器驅動測試，實驗結果證實本論文所提出之電氣參數自動估測方法準確可行。

In order to automatically identify the electrical parameters of permanent magnet synchronous motors (PMSMs) with its drives, rather than measure the parameters using instruments such as LCR meters, this thesis proposes an approach in which the testing voltage is injected into the motor from the drive. Based on the analysis of equivalent circuit of the PMSMs as well as the phase voltage and phase current information recorded from standstill to the position sensorless operation, the Recursive Least-Square Method (RLSM) is employed to estimate the values of electrical parameters of the PMSMs. Moreover, the automatic motor parameter identification algorithm developed in this thesis is also integrated into the open-loop start-up procedure of the position sensorless drive. Consequently, the proposed automatic motor parameter identification method has attractive features such as fast identification and highly convenient. In addition, both the proposed automatic motor parameter identification method and the position sensorless drive developed in this thesis are implemented using a low-cost 16-bit micro-controller. Two commercial interior and surface-mounted PMSMs are used in the experiments to assess the performance of the proposed approach. Experimental results verify the accuracy and effectiveness of the proposed automatic motor parameter identification method.

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