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Comparison of Two MCDM Methodologies in Aircraft Type Selection Problem

机译：飞机型号选择问题中两种MCDM方法的比较

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摘要

In order to provide a satisfactory choice while dealing with multiple criteria, planners apply some of the multiple criteria decision making (MCDM) methods as an aid to decision making. As the aircraft type selection embodies inherent multi-criteria decision making, two MCDM methods, the Analytic Hierarchy Process (AHP) and the Even Swaps Method (ESM), are applied and illustrated with the case study of a hypothetical regional airline. These methods are compared, as well as solutions they arrived at. Considering the difference between the AHP and ESM, a sensitivity analysis is carried out in different ways. In the AHP, the sensitivity of alternative ratings in respect to different pairwise comparisons of the alternatives is analysed, showing that the AHP is sensitive to this kind of changing. In the even swaps method, the objective ranking across alternatives is varied showing that the ESM is not sensitive at all. The final priority weight for specific aircraft type decreases with the decrease of the domination measure of one aircraft over another with respect to payment conditions, for all aircraft types in the solutions obtained by AHP.
机译：为了在处理多个标准时提供令人满意的选择，计划人员应用了一些多标准决策（MCDM）方法来辅助决策。由于飞机类型的选择体现了固有的多标准决策，因此，采用了两种MCDM方法，即层次分析法（AHP）和偶数掉期法（ESM），并以一家假设的地区航空公司为例进行了说明。比较了这些方法，以及得出的解决方案。考虑到AHP和ESM之间的差异，以不同的方式进行了灵敏度分析。在层次分析法中，分析了备选方案相对于备选方案的成对比较的敏感性，这表明层次分析法对这种变化很敏感。在偶数互换方法中，跨替代方案的客观排名是变化的，表明ESM根本不敏感。对于AHP获得的解决方案中的所有飞机类型，特定飞机类型的最终优先权重随付款条件相对于一架飞机对另一架飞机的支配措施的减少而降低。

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