[1]艾毅,李宗平.基于区间模糊数的换乘耐受性研究[J].东南大学学报(自然科学版),2017,47(6):1253-1262.[doi:10.3969/j.issn.1001-0505.2017.06.027]
　Ai Yi,Li Zongping.Analysis of transfer tolerance limit based on interval fuzzy number[J].Journal of Southeast University (Natural Science Edition),2017,47(6):1253-1262.[doi:10.3969/j.issn.1001-0505.2017.06.027]
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基于区间模糊数的换乘耐受性研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
47
期数:
2017年第6期
页码:
1253-1262
栏目:
交通运输工程
出版日期:
2017-11-20

文章信息/Info

Title:
Analysis of transfer tolerance limit based on interval fuzzy number
作者:
艾毅; 李宗平
西南交通大学交通运输与物流学院, 成都 610031; 西南交通大学综合运输四川省重点实验室, 成都 610031
Author(s):
Ai Yi;  Li Zongping
School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China
Comprehensive Transportation Key Laboratory of Sichuan Province, Southwest Jiaotong University, Chengdu 610031, China
关键词:
换乘耐受性;  耐受感知;  耐受阈值;  区间模糊数;  模糊回归
Keywords:
transfer tolerance;  tolerance limit;  transfer threshold;  interval fuzzy number;  fuzzy regression
分类号:
U491
DOI:
10.3969/j.issn.1001-0505.2017.06.027
摘要:
从耐受感知的角度,分别针对步行过程和等待过程中的空间要素、时间要素和环境要素进行分析,并提出了空间耐受性、等待耐受性和基于这两者相互叠加而形成的综合耐受性的概念.同时,通过耐受阈值的确定,界定了换乘过程中的耐受极限与实际采取的换乘决策的关系.在进行建模分析时,通过引入区间模糊数,实现了对耐受感知的模糊化处理,提高了参数的回归精度.对模型进行回归分析,得出了不同耐受性的参数估计,并绘制了耐受阈值关于要素叠加的等值面图.研究表明,在常规环境下,人们所能接受的步行距离阈值为381 m,步行等待时间阈值为7.1 min,候车等待时间阈值为12.9 min.同时,该模型可得到换乘者在换乘过程中不同时空要素以及环境要素叠加所引发的耐受感知的变化.
Abstract:
From the view of tolerance perception, the spatio-temporal factors in the walking and waiting process are analyzed, and the concepts of space tolerance, waiting tolerance and the comprehensive tolerance based on the superposition of the former two are proposed. Meanwhile, through the determination of the tolerance threshold, the limit of the tolerance in the transfer process and the actual transfer decision are determined. During the analysis of the model, the fuzzy processing of tolerance perception is realized by introducing the interval fuzzy number, which greatly improves the accuracy of the results. Finally, through the regression analysis of the bi-level recursive fuzzy model, the parameter estimation of different processes is obtained, and the contour map of the tolerance threshold value with regard to the superposition of factors is drawn. The results show that the walking distance threshold is 381 m, the waiting time threshold is 7.1 min and the threshold of the time for waiting a vehicle is 12.9 min in the conventional environment. Furthermore, the model can be used to obtain the changes of the perceived tolerance caused by the changes of the time and space factors and the environmental factors in the transfer process.

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备注/Memo

备注/Memo:
收稿日期: 2017-03-08.
作者简介: 艾毅(1988—),男,博士生;李宗平(联系人),男,博士,教授,博士生导师,zpli@swjtu.cn.
基金项目: 国家自然科学基金资助项目(51578465).
引用本文: 艾毅,李宗平.基于区间模糊数的换乘耐受性研究[J].东南大学学报(自然科学版),2017,47(6):1253-1262. DOI:10.3969/j.issn.1001-0505.2017.06.027.
更新日期/Last Update: 2017-11-20