本研究主旨在開發及研製一個螢光燈混光系統，藉由兩不同色溫之螢光燈管所組成的照明燈具，透過數位控制方式調整其配光比例，可精準地展現出各種色溫度，使輸出光色可接近自然光色溫，同時可模擬白天時之色溫變化。本研究首先使用混光方程式來計算兩不同色溫螢光燈光通量之權重比，基於上述結果所構成之驅動電路搭配數位信號處理器(DSP)，依配光比透過可調光電子安定器，可達到控制各螢光燈色溫發光強度而完成混光之要求。研究中使用全數位光源量測系統，量測驗證實際光譜分布範圍及色溫，研究成果可供作為符合更人性化之優質照明光環境規劃及燈具開發之參考。

The thesis is devoted to research and implement an better optical illuminant with specified correlated color temperature (CCT) by mixing up the individual light output from different fluorescent lamp light sources. By adjusting the different light weighting of fluorescent lamps, one is able to develop an illuminant which will produce a light vission very similar to natural daylight. The research uses the color-of-gravity law of color mixture to calculate the flux weights for different fluorescent lamps. Based on the calculation results, a digital signal processor (DSP) was adopted to modulate the dc-voltage of dimming electronic ballast to get different weights. A protocal type illuminant was constructed and measured by digital lighting measuring equipment to evaluate and certify the practice of the algorithm proposed. The results showed the effectiveness of CCT correction technique for lighting environment and were valuable for developing a more friendly comfortable illuminment.

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