散熱風扇廣泛應用於家用電器產品，為了達到系統散熱的訴求提高轉速，但同時提高風扇轉速會衍生出振動與噪音的問題。風扇類產品常見驅動方法為六步方波控制，容易造成較大的馬達轉矩漣波與噪音等問題，本論文針對風扇振噪抑制應用，提出類向量控制驅動方法，利用低成本、低解析度的霍爾感測器，透過角度補償方式，可實現弦波控制，亦可降低轉矩漣波。
類向量控制架構之電流控制器輸入為弦波訊號，僅採用P控制器，會產生穩態誤差，故本論文加入PR電流控制器，分析與設計控制器參數，並利用D-module概念簡化雙軸電流控制器，故降低控制演算法難度，應用於風扇產品，最後利用模擬軟體與硬體在環迴路系統驗證架構之可行性，實測結果達到降低轉矩漣波及振噪的效果。

Cooling fans are widely used in household appliances. In order to attain the requirements for system heat dissipation, cooling fans are operated at high speeds, and thereby generating vibration and noise. The method used in driving the fan motor is the six-step square wave control, but this method has shown to have issues, such as high torque ripple and loud noise. Therefore, this paper is aimed at providing solution for fan noise suppression and the high torque ripple. The Pseudo-vector control driving method, and low-resolution Hall sensor are adopted to achieve this purpose. Also, through angle compensation, the sine wave control can be achieved which can reduce high torque ripple.
The input of the current controller on the Pseudo-vector control architecture is a sine wave signal, and only the P controller is used, which produces steady-state error. Therefore, this paper adopts the PR current controller, analyze and design the controller parameters, and uses the D-module concept to simplify the dual-axis current controller, which reduces implementation difficulty. Finally, the MATLAB simulation and hardware in the loop system are used to verify the feasibility of the architecture. The actual measurement results achieved the effect of reducing torque ripple and vibration noise.

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