現今產品對環境造成的影響，可利用傳統之生命週期評估(Life Cycle Assessment, LCA)方法作出詳細之分析，所得之結果也精確;但其受限於進行評估時間長、成本高和產品各項資訊必須齊全的情形下，故現在都以產品完成開發後才進行生命週期評估;然而在最有效降低環境衝擊之產品概念與初步設計階段，因沒有足夠量化資訊的情況下，無法以傳統之生命週期評估方法對其進行評估且不易進行產品生命週期評估，因此失去了降低產品對環境衝擊的契機。
　　本研究針對設計者在產品的概念設計階段時，可利用其他同種產品所做的生命週期評估結果，加以整合成一個近似曲面，使產品設計者更容易獲得產品的生命週期結果。更藉由產品多重領域最佳化設計，以遺傳演算法的求解取得其最佳化結果，並以有限元素軟體ANSYS加以分析，進而提供設計者關於產品結構強度的參考數值，則設計者不會因降低產品環境衝擊，而使產品失去其實用性。

　　Recently, environmental impacts of a product can be analyzed using traditional Life Cycle Assessment (LCA) method and the result is accurate and acceptable. But it has some limitation such as it consumes much time, higher cost, and needs comprehensive information of the product to carry the evaluation out. The object being evaluated and analyzed using this LCA method are the fully developed products. It loses its effective moment in reducing the environmental impacts of the product, due to inadequate quantitative information to carry such LCA analysis during product conceptual design and initial design stages.

　　This research presents a method for using other similar products’ LCA result integrate into an approximate curved surface for product designer to get the LCA result of products more easily during the product conceptual design stage. It can provide designer reference numbers of LCA results for the purpose of multidisciplinary optimization method, which include the optimal results by genetic algorithm and the analysis stresses and strains results by the ANSYS finite element software. Therefore, product will not lose its practicability for reducing the product environmental impacts.

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