基于模糊逻辑理论的居民出行需求合理性评价
首发时间:2008-04-25
摘要:本文运用模糊逻辑理论,研究了城市居民出行需求合理性的评价方法。根据城市居民出行需求的时间分布特性和空间分布特性,选用高峰小时出行系数和高峰小时路网饱和度作为评价指标,同时给出指标计算公式;进而以模糊逻辑理论和指标特性为基础,利用MATLAB中的模糊逻辑工具箱得到隶属度函数图形,并对指标值的评价结果进行了分析;最后,用本文提出的方法对扬州居民出行需求合理性进行评价,表明了该方法的有效性和实用性。
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Rationality Evaluation of Citizen Trip Demand Based on Fuzzy Logic
Abstract: This paper studies the method of rationality evaluation of trip demand for urban citizens by using fuzzy logic theory. According to trip-demand time and space distribution characteristics of urban citizens, the peak-hour trip factor and saturation of road network were chosen as the evaluation indexes, meanwhile the index calculation formulas were given; then on the basis of fuzzy logic theory and index characteristics, the membership functions were established by using fuzzy logic toolbox of MATLAB, and the evaluation results of two indexes were analyzed; Finally, the evaluation process was illustrated by a case study of Yangzhou and the results indicated the validity and practicability of the method presented in this paper.
Keywords: fuzzy logic trip demand peak-hour trip factor the saturation of road network
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No.2087022708712090****
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