本研究運用多屬性決策分析(MADM，Multiple Attribute Decision Making)進行手術燈技術改善過程之評估，結合手術燈相關文獻及相關專利分析探討，改善傳統多屬性決策分析以專家主觀意見為主的問題。本文以工程知識結合專利分析和斷詞斷字系統得出手術燈在技術以及功能領域字群的常態化數值，用以建立技術/功能矩陣。研究方法以改善手術燈之照明範圍與操作便利性問題，使用手術燈之相關文獻及各項專利分析，將手術燈第一層技術領域分為：1.整體支架結構、2.燈罩結構、3.燈具控制技術，再由三項第一層技術領域中，將第二層技術領域分為a. 支撐支架結構技術b. 燈具手把附近結構技術c. 光源佈置及變化技術d. 燈源散熱及氣體流動技術e. 燈源照射範圍及照射技術f. 燈源及電源控制技術六項技術準則。功能領域則分為六項功能準則，分別為：a. 提高操作便利性及穩定性b. 提高散熱性及空氣流動品質c. 降低成本並延長使用壽命d. 改善陰影和眼睛視覺清晰度及減少眼睛疲勞感e. 改善光的均勻性及亮度f. 調節照明範圍。並將第一層技術及功能領域提出之三個技術及功能改善方案結合，成為具有相依性的三個技術以及功能領域改善方案作為評選方案。
本文並建立整合修正式模糊DANP之修正式解模糊MABAC方法、修正式解模糊ARAS方法以及修正式模糊MABAC方法。對比整合修正式模糊DANP的修正式模糊ARAS方法，得出各自之技術以及功能領域之改善方案，並評選出各自最優先改善方案之結果。
此外，本文又就整合修正式模糊DANP的修正式模糊MABAC方法，修正式模糊ARAS方法，修正式解模糊MABAC方法，及修正式解模糊ARAS方法，將各自之技術以及功能領域的各三個改善方案之結果進行討論比較。分析結果顯示，模糊方法在大部分情況適用，但某些情況下不適用。因此，在案例分析中應同時以模糊方法與解模糊法各自做出結果，以判斷最優先改善方案。本文進一步分析整合修正式模糊DANP之修正式解模糊 MABAC方法以及修正式解模糊 ARAS方法，分析出方法正規化矩陣之差異，為影響改善方案優先排序之關鍵。最後依多工程步驟的修正式TRIZ創新發明法對最優先改善的方案做改善，並從方案中挑選適當發明法則，依修正式TRIZ步驟提出手術燈創新結構設計。

This work employs MADM(Multiple Attribute Decision Making) method to select the improvement process of surgical light technology. Combining the analysis and discussion of the related literature of surgical light with the related patents, the paper improves the traditional MADM’s problem of the experts’ subjective opinions. In addition, the developed algorism combines the engineering knowledge with patent analysis and the segmentation system of wording, in order to obtain the technical and functional word groups for the surgical light, which are used to establish a technical-functional matrix. Research methods involving the relevant literature of the surgical lamp and analysis of various patents, divided technical fields into: the overall support structure, lampshade structure, lamp control technology, and six sub-layer technical fields, such as support frame structure technology, technology of the structure near lamp handle, light source layout and light change technology, lamp-source heat dissipation and air flow technology, lamp-source illumination range and illumination technology, and light source and power source control technology. The objectives of the functional groups were for the improvement of operational convenience, lighting efficiency, improve heat dissipation and lifespan. The six functional criteria, namely the enhancement of convenience and stability of operation, heat dissipation and air flow quality, reduction of costs and extension of service life, improvement of shadow effect and visual clarity to the human eyes and reduction of eyestrain, improvement of the uniformity of light and brightness, and adjustment of brightness, were proposed.
The paper establishes the modified defuzzification MABAC method combining with the modified fuzzy DANP, the modified defuzzification ARAS method combining with the modified fuzzy DANP, as well as the modified fuzzy MABAC method combining with modified fuzzy DANP, the selections of the respective most prioritized improvement plans in technical and functional fields. Besides, based on the modified fuzzy MABAC method combining with the modified fuzzy DANP, the modified fuzzy ARAS method combining with the modified fuzzy DANP, the modified defuzzification MABAC method combining with the modified fuzzy DANP, and the modified defuzzification ARAS method combining with fuzzy DANP, three improvement plans were obtained for the respective technical and functional fields, for comparisons. It is concluded that the fuzzy method is applicable amongst these applications. Furthermore, to analyze the modified Fuzzy DANP combining with modified Defuzzification MABAC method and the modified Fuzzy DANP combining with modified defuzzification ARAS method, would obtain the difference of the normalized matrix Y_ij^* between the modified Defuzzification MABAC method and ARAS method, which is the key to affect the prioritization amongst improvement plans.
Finally, after the developed modified TRIZ method was validated with multiple engineering steps, improvements of the prioritized plans were presented and discussed. Invention rules and innovative structural design for the surgical light were proposed and reported.

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