- 學位論文
無感測變頻壓縮機驅動器之開發
Development of Sensorless Inverter-fed Compressor Driver
摘要
本論文主要研究目的為開發一無感測器之弦波驅動器應用於家用變頻冷氣之壓縮機。透過數位訊號處理器dsPIC33FJ256MC710運算本論文設計之無感測器向量控制策略，策略裡包含PI控制器、參考座標轉換、空間向量脈寬調變、估測轉子位置的滑動模式控制器與數位濾波器等技術，最後實現弦波電壓驅動永磁同步馬達的無感測器速度控制系統，並利用良好的弦波驅動策略與穩定之速度控制系統達到冷氣機節能之條件。 為檢測本論文之策略於轉速控制的表現，實驗以設計之驅動器運轉Panasonic之伺服馬達並聯結另一組伺服馬達及驅動器，利用伺服馬達系統之光學編碼器迴授確認轉速，甚至以伺服系統輸出固定轉矩做為負載，來檢測本論文之驅動器表現。實驗結果本論文開發之驅動器已能於無負載時穩定運轉800~4200 RPM。
並列摘要
The objective of this thesis is to develop a sensorless sine-wave driver for household inverter-fed air conditioner. The digital signal processor, dsPIC33FJ256MC710, is used to calculate the sensorless vector control strategy. The vector control includes the PI controller, reference coordinate conversion, space vector pulse width modulation, sliding mode controller and digital filter to estimate the rotor position to realize the speed control system of the sinusoidal voltage and drive permanent magnet synchronous motor. Then using the fine sine-wave driving strategy and the stable speed control system to achieve the benefit of energy saving when running the air conditioner. The experiment uses Panasonic servo motor and its driver to test the performance of the thesis’ strategy in the speed control mode. Moreover, fixing the torque output of Panasonic servo system to detect the performance of driver of this thesis. And the driver developed in this thesis has been running stably at 800~4200 RPM.
參考文獻
延伸閱讀
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