與傳統空調機比較，變頻式空調機具有提高冷卻效率、省電和溫度控制性能等優點。由於近幾年在變速度裝置上的研究有很大的進步，開啟了許多改善與增進空調機性能的空間。為了充分發揮變頻式空調機的性能，本論文引進一般在探討空調機控制架構未加入的室內、外風扇。室外風扇主要影響冷凝溫度，而此溫度亦為決定系統效率的關鍵因素。室內風扇牽涉層面甚廣，舉凡溫度控制、噪音抑制及溼度調整…等，皆受室內風扇影響甚大。本論文中，針對溫度控制的層面進行室內風扇控制策略探討。目標為藉由調變室內風扇轉速，改善空調系統的暫態反應；調變室外風扇轉速，提升系統整體的效率。

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