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  • 學位論文

投影機之亮度與均勻度分析暨對策

Projector Brightness and Uniformity Analysis and Countermeasure

指導教授 : 張明文
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摘要


本論文的研究主要在於改善投影機的亮度與均勻度。針對投影機系統中眾多元件品質特性,採用田口(Taguchi)實驗計畫法分析方式[6],以參數設計(parameter design)的方法降低投影機的亮度與均勻度受到雜音因子影響的靈敏度,亦即在各種不同的雜音因子下,去尋找最佳的控制因子組合,使投影機的亮度與均勻度品質特性的變異性降低。 參數設計是利用直交表(orthogonal array)來進行實驗。根據問題之特性、因子數目和各因子之水準(level)數目,使用不同之直交表,尋求各因子間交互作用對輸出回應的最佳化;以最低的單位製造成本(unit manufacturing cost),使技術、產品或製程性能之狀態,對造成變異性(variablity)之因子的敏感性達最小化,藉此達到系統最佳化的設計參數,使投影系統之亮度與均勻度能夠有最佳化的成果。

並列摘要


This thesis is mainly to study the improvement for analysis and countermeasure on projector brightness and uniformity. Taguchi methods[6] were used to analyze for component quality of projector system. Sensitivity of noise factor of projector brightness and uniformity is reduced by parameter design. Under different noise factors, we search the best control factor. The variability of the projector quality characteristics of brightness and uniformity is reduced. Parameter design takes the orthogonal array to do the experiment. According to the characteristics of the problem, the number of quantity factors and the number of level factors, we use orthogonal arrays to find interaction effects between different factors of the output response for the best design. The sensitivity of variability factor of technology, products and process is reduced to minimize manufacturing cost. We can get the systematic optimization by parameter design of brightness and uniformity in projector system.

並列關鍵字

projector brightness uniformity Taguchi methods

參考文獻


6. Taguchi, G., Chowdhury, S. and Wu, Y., Taguchi’s Quality Engineering Handbook, John Wiley& Sons, 1989.
9. 陳時偉,數位光源處理投影系統之光學設計與光機模擬,私立元智科技大學光電研究所碩士論文,2002。
11. Edward H. Stupp and Mattew S. Brennnesholtz,Projection Display,Wiley-SID, New York, 1998.
12. 陳知堅,迷你投影機光學鏡頭設計,私立大同大學機械工程所碩士論文,2006。
1. 潘光平,液晶式投影機,國立中央大學光電科學研究所碩士論文1998,P.1。

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