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首页> 外文期刊>The HKIE Transactions >Group Decision-making Based Fuzzy AHP Approach to Mechanical Concept Evaluation
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Group Decision-making Based Fuzzy AHP Approach to Mechanical Concept Evaluation

机译：基于群组决策的模糊层次分析法在机械概念评估中的应用

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摘要

Concept evaluation is a critical step in the stage of conceptual design and has a significant impact on the success or failure of mechanical product. An improved FAHP method using group decision-making theory is proposed to tackle it Firstly, a simplified 3-scale method is adopted to generate the judgment matrices meeting the consistency checking. Then using fuzzy delphi method and hierarchical aggregation method, the total evaluation value expressed with fuzzy number for each candidate can be obtained through the disposal of multi-persons' opinions. Finally these concepts are ranked with fuzzy utility values ranking theory and the best candidate can be selected. Under this proposed method, it is easier for the experts to give relatively precise judgments and the evaluation process is simplified. At the same time, the deviation of single person's evaluation can be effectively corrected because of the aggregation of multi-persons' experience. This approach is applied to an engineering case for the evaluation of mechanical kinematic concepts, which demonstrates the rationality and validity of this method.
机译：概念评估是概念设计阶段的关键步骤，对机械产品的成败有重大影响。提出了一种改进的基于群体决策理论的FAHP方法。首先，采用简化的三尺度法生成满足一致性检验的判断矩阵。然后采用模糊德尔菲法和层次聚合法，通过多人意见的处理，可以得出每个候选人用模糊数表示的总评价值。最后，使用模糊效用值排序理论对这些概念进行排序，并可以选择最佳候选者。在这种方法下，专家们可以做出相对准确的判断，并且简化了评估过程。同时，由于多人经验的聚集，可以有效地纠正单人评价的偏差。该方法应用于工程学案例，以评估机械运动学概念，证明了该方法的合理性和有效性。

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