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題名 | 系統在概念設計階段之成本預估=A Method of Cost Estimation of Systems in Conceptual Design Stage |
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作者 | 蔡有藤; 王國雄; | 書刊名 | 商管科技季刊 |
卷期 | 1:2 2000.06[民89.06] |
頁次 | 頁139-152 |
分類號 | 400.24 |
關鍵詞 | 成本預估; 不確定系統; 功能需求; Cost estimation; Uncertainty systems; Function requirement; |
語文 | 中文(Chinese) |
中文摘要 | 正確預估成本是系統設計重要工作,本文將功能需求視為成本函數,對一在概念階段的不確定系統進行成本預估。從直接材料成本、直接人工成本、變動製造費用、固定製造費用建立系統成本結構,分析系統各項成本分佈、成本結構關聯性,在不同功能需求下成本平均值與變異數;依據分析的成本資訊利用最小平方法找出系統功能需求和成本的對應關係,據此估算欲開發新系統的總成本,進一步由估算之成本評估系統在不同成本下設計的達成機率,以為設計決策依據;整個過程以開發一部無人搬運車為例來說明此成本預估方法。 |
英文摘要 | While designing a new system, cost is a critical factor in determining the design whether is supported or not. This paper presents a method of cost estimation of uncertainty systems in conceptual design stage. First of all, direct materials costs, direct labor costs, variable factory overhead and fixed factory overhead are considered to build the cost structure of a system. Second, the cost information of some known systems which function requirements are similar to the designed system is taken to find out the relationship between the function requirements and the costs of a system by using least square method. After the relationship established, the cost of the designed system is then estimated according to the function levels. Finally, an automated guided vehicle (AGV) is used as an example to depict this method. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。