期刊
SUSTAINABILITY
卷 14, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/su14031881
关键词
human behavior; road safety; multi-criteria decision making; Pythagorean Fuzzy Analytic Hierarchy Process; prioritize
The use of Pythagorean fuzzy sets allows for the evaluation and handling of human behavior in order to improve road safety. The study found that "lapses" were identified as the most critical factor for road safety, while "disobeying speed limits" was the least critical factor.
Human behavior has been estimated as a factor too uncertain and complex to investigate road safety issues. By utilizing recent expansions of ordinary fuzzy sets, experts in the field have intended to handle the vagueness of human behavior in sustainable transport systems by using linguistic terms for assessment. Pythagorean Fuzzy sets (PFSs) are considered a superior method that has been developed for multi-criteria decision-making (MCDM), which enables assigning of both membership and non-membership functions in a large domain area. A novel Pythagorean Fuzzy Analytic Hierarchy Process (PF-AHP) is performed to assess and prioritize critical driver behavior criteria designed into a hierarchical model based on data gathered from observed driver groups in Budapest city. Accordingly, based on the aggregated weights, the criterion 'lapses' is prioritized as the most critical factor connected to road safety. The criterion 'disobey speed limits' is found to be the least critical factor, followed by 'disobey overtaking rules' as the second least. For a comparative analysis, the case of dependent criteria has been considered. Pythagorean Fuzzy DEMATEL method has been applied to determine dependencies between the criteria. Through the dependencies, a network of criteria has been constructed and the Pythagorean Fuzzy Analytic Network Process (ANP) conducted to interpret the results. Moreover, sensitivity analyses have been carried out to examine its robustness by applying different case scenarios.
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