本文旨在以自調式模糊技術實現永磁同步電動機之速度控制。文中將永磁同步電動機之三相數學模型以同步旋轉座標之交、直軸模式解耦合，並利用磁場導向控制原理完成永磁同步電動機(PMSM)速度及電流閉迴路控制。
本文首先使用數位訊號處理器(DSP)完成磁場導向控制、空間向量脈波寬度調變及速度控制之策略，針對控制器參數對系統動態響應之影響，提出採用自調式模糊控制器於速度控制迴路，藉由自調式機制，線上調整模糊控制器之參數，使PMSM在變動負載及速度命令下有較佳之動態響應，達到提升系統響應及強健性之目的。
在實作驗證上以動力計進行負載測試，由測試波形驗證本文提出之控制器較傳統比例積分控制器有較佳之強健性。

The object of this thesis is to realize the speed control of permanent magnetic synchronous machine (PMSM) using the self-tuning fuzzy technique. The control of state variables uses three phase mathematical transformation model to decouple abc states into q-axis and d-axis variables in synchronous rotating frame for field oriented control (FOC).
Following that, we implement the algorithms of FOC, space vector pulse-width modulation (SVPWM), and speed control using the digital signal processor (DSP). Regarding to the influence of controller parameters on dynamic response of the motor speed, this thesis proposes the speed control of PMSM using self-tuning fuzzy technique. By the self-tuning technique, the on-line fuzzy logic controller (FLC) output can give better speed response under the load disturbances or variable speed commands.
Testing results show the proposed control strategy is more robust than the traditional proportional-integral control.

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