本文發展出以專利分析所得到功能領域的功能字群之常態化數值的觀念，建立結合修正式FUZZY DANP法之修正式FUZZY COPRAS方法，決定出不同改善方案之優先順序。本研究先以LED牙科燈為例做分析，依前述結合修正式FUZZY DANP法之修正式FUZZY COPRAS法求出不同功能改善方案的優先順序。將所得之功能改善方案之最優先改善方案，再配合產品技術/功能矩陣，針對其要改善的功能領域選擇可應用的技術領域，將其應用在修正式TRIZ方法作為新產品設計時創新方法構思的依據。
如上所述本研究將產品功能結合修正式FUZZY DANP之修正式FUZZY COPRAS法實際應用於LED集魚燈。其步驟進一步說明如下，經由LED集魚燈產品之相關文獻探討及各項專利分析，將產品功能之準則分為1.提高結構穩定性、2.增加使用方便性、3增加防水性能、4.提高散熱性5. 降低成本、延長壽命、6.增加集魚種類及集魚量7.節能、環保等7項功能領域，並將此7項功能領域做為評選新產品改善方案最重要的評估功能準則。將LED集魚燈以其具相依性的三項產品功能改善方案為結合修正式FUZZY DANP法之修正式FUZZY COPRAS優先評選方案次序的方案，計算三項功能改善方案的優先評選次序。將LED集魚燈分為3個功能改善方案，其為方案A: 增加結構穩定性與操作便利性以及增加防水性能+增加集魚種類及數量和節能，方案B: 提高散熱性及壽命+增加集魚種類及數量和節能，方案C: 增加結構穩定性與操作便利性以及增加防水性能+提高散熱性及壽命。再接著透過以產品功能為主之修正式FUZZY DEMATEL所分析出的因果圖來分析上述七項功能領域的核心功能領域及各功能領域的相互受影響程度。本文提出將修正式FUZZY DEMATEL之總關係影響矩陣T與修正式FUZZY ANP之內部相依存成對比較矩陣W3進行矩陣運算，形成新的修正式FUZZY DANP的W_C^D矩陣，接者使用本文的修正式FUZZY COPRAS方法計算出，
最大權重值Qi的方案為最優先的選擇方案。
最後再應用LED集魚燈的產品技術/功能矩陣，就最優先選擇的功能改善方案所對應可應用之技術領域，選擇適當的技術領域做改善，再利用修正式TRIZ發明法做創新改良設計，最後可得到新設計之LED集魚燈。

The paper develops a concept of using the normalized numerical values of the functional cluster of functional fields obtained from patent analysis to establish a modified fuzzy COPRAS method being combined with the modified fuzzy DANP method so as to determine the priority order of different improvement plans. First of all, the paper uses LED dental light as a case for analysis. Using the abovementioned modified fuzzy COPRAS method be combined with the modified fuzzy DANP, the paper finds the priority order of different functional improvement plans. The most prioritized improvement plan determined from the obtained functional improvement plans is matched with a product technical/functional matrix. Focusing on the functional fields to be improved, the applicable technical fields are selected for application to the modified TRIZ method in order to serve as a basis for conceiving innovative methods during design of new products.
As mentioned above, the paper integrates product functions with the modified fuzzy COPRAS method being combined with modified fuzzy DANP method, for practical application to LED fishing light. The steps are further explained below. After review of the related literature about LED fishing light products and analysis of different patents, the criteria of product functions are divided into 7 functional fields: 1. Enhance structural stability; 2. Increase ease of use; 3. Increase waterproof performance; 4. Enhance heat dissipation; 5. Reduce cost and extend life; 6. Increase fish types and fish volume; and 7. Energy saving and environmental protection. These 7 functional fields would serve as the most important criteria for function evaluation during selection of new product improvement plans.
LED Fishing light’s 3 product functional improvement plans with interdependence are the prioritized selected plan of the modified fuzzy COPRAS method being combined with modified fuzzy DANP method. Calculate the priority order of selection of the 3 functional improvement plans. The paper divides fishing light into 3 functional improvement plans: Plan A: Increase structural stability and ease of operation and also increase waterproof performance + Increase fish types and volume and energy saving; Plan B: Enhance heat dissipation and extend life + Increase fish types and volume and energy saving; and Plan C: Increase structural stability and ease of operation and also increase waterproof performance + Enhance heat dissipation and extend life. After that, through the causal map analyzed from the product function-based modified fuzzy DEMATEL, the paper analyzes the degree of mutual influence between the core functional fields and different functional fields of the above 7 functional fields. The paper proposes making pairs for the total relational influence matrix T of the modified fuzzy DEMATEL and the internal interdependence of the modified fuzzy ANP, and then compares the pairs, and carries out calculation of matrix W3, thus forming a new W_C^Dmatrix of the modified fuzzy DANP.
As to the paper’s modified fuzzy COPRAS method, The plan with the greatest weight value Qi finally calculated is the most prioritized selected plan.
Lastly, the product technical/functional matrix of LED fishing light is applied. Based on the applicable technical field that the most prioritized selected functional improvement plan corresponds to, the paper selects appropriate technical fields for improvement, and uses the modified TRIZ invention method to perform innovative improvement of design. Finally, a newly designed LED fishing light can be obtained.

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