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Product design concept evaluation using rough sets and VIKOR method

机译:使用粗糙集和VIKOR方法评估产品设计概念

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Design concept evaluation is one of the most important phases in the early stages of the design process as it not only significantly affects the later stages of the design process but also influences the success of the final design solutions. The main objective of this work is to reduce the imprecise content of customer evaluation process and thus, improve the effectiveness and objectivity of the product design. This paper proposes a novel way of performing design concept evaluations where instead of considering cost and benefit characteristics of design criteria, the work identifies best concept which satisfy constraints imposed by the team of designers on design criteria's as well as fulfilling maximum customers' preferences. In this work, the rough number enabled modified Vlsekriterijumska Optimizacija I Kompromisno Resenje (VIKOR) method for design concept evaluation is developed by modifying the extended VIKOR method with interval numbers. The proposed technique is labeled as modified rough VIKOR (MR-VIKOR) analysis. The work primarily involves two phases of concept evaluation. In the first phase, relative importance ranking and initial weights of design criteria are computed through the importance assigned to each design criteria by the designers or the decision makers (DM); and in the second phase, customers' preferences to the generated user needs are captured in the form of rough numbers. The relative importance ranking computed in first phase along with customers' preferences is incorporated in the second phase to select the best concept.
机译:设计概念评估是设计过程早期阶段最重要的阶段之一,因为它不仅显着影响设计过程的后期阶段,而且还会影响最终设计解决方案的成功。这项工作的主要目的是减少客户评估过程的不精确内容,从而提高产品设计的有效性和客观性。本文提出了一种执行设计概念评估的新颖方法,该方法无需考虑设计标准的成本和收益特征,而是确定能够满足设计师团队对设计标准施加的约束并满足最大客户喜好的最佳概念。在这项工作中,通过用间隔号修改扩展的VIKOR方法,开发了用于粗略数的改进的Vlsekriterijumska Optimizacija I Kompromisno Resenje(VIKOR)方法,用于设计概念评估。提出的技术被标记为改进的粗糙VIKOR(MR-VIKOR)分析。这项工作主要涉及概念评估的两个阶段。在第一阶段,设计者或决策者(DM)通过分配给每个设计准则的重要性来计算设计准则的相对重要性等级和初始权重;在第二阶段,以粗略数字的形式记录客户对生成的用户需求的偏好。在第一阶段中计算出的相对重要性排名以及客户的偏好将被纳入第二阶段中,以选择最佳概念。

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