產品開發過程中，行銷人員與研發人員對於產品屬性與工程技術屬性之間的關聯性，憑藉的是模糊之經驗法則，但卻往往會造成技術屬性無法反應顧客需求之情形。因此，獲致經濟上的成功，必須要在新產品開發評估時，考慮到不同的顧客需求及工程技術屬性，並有能力去確認需求，快速創造符合需求之產品。要達到這些目的不單是行銷問題，也不僅是設計或製造的問題，而是一項跨越多重領域的活動，幾乎需要全公司所有功能部門的配合。因此，本研究試圖結合品質機能展開(Quality Function Deployment, QFD)與模糊理論，將顧客需求透過模糊化的方式予以表達，並以系統化流程建立產品與工程技術屬性的關聯性分析。最後，運用這些顧客需求與工程設計需求之關係，做為求得最佳工程設計需求組合的依據，並透過重要性權重予以分析，選擇最適的工程設計需求，以利於新產品設計與製作。
為了驗證方法的實用性，本研究以中央造幣廠鑄製之紀念章為例，依照方法論所提出的步驟，因應該廠經營型態之轉型，針對其製作紀念章之特殊性，找出其開發新產品時顧客需求之重要關鍵因素，建立一套分析之流程，以提供該廠往後規劃新產品時之自我檢核。

In the product development process, the marketing personnel and the R&D engineers usually rely on their past vague experience to analyze the relationship between product attributes and engineering design attributes. This may often result in the problem that the engineering attributes can not properly respond to customer requirements. Therefore, in order to achieve the economic goal, both customer requirements and engineering design attributes must be taken into consideration in the evaluation of a new product. Also the ability to confirm the final requirements needs to be developed for the purpose of rapidly creating the needed product. In order to achieve this purpose, it’s not only the problem of marketing or the problem of design or manufacturing, it’s a task which requires the cooperation of different functional departments. This study tries to combine the QFD method and fuzzy theory to treat customer requirements and to establish the relationship between product attributes and engineering attributes. Finally, using the relationship between customer requirements and engineering requirements, the optimal engineering design requirements can be found, the importance factors can be given, and the most appropriate engineer design requirements can be selected. The proposed method can be used in the design and construction of a new product.
In order to verify the practicability of the method, the development of commemorative medals of the Central Mint in Taiwan is taken as an example, the steps of the proposed method were followed. The result shows that the proposed method can effectively help the development of a new product.

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