相对阻抗Logit路径选择模型的推导、应用及验证

交通运输系统工程与信息 ›› 2012, Vol. 12 ›› Issue (2): 85-90.

相对阻抗Logit路径选择模型的推导、应用及验证

赖信君，余志^*，李军

中山大学智能交通研究中心，广东省智能交通系统重点实验室，广州 510275

收稿日期:2011-11-29 修回日期:2011-12-30 出版日期:2012-04-25 发布日期:2012-04-27
作者简介:赖信君（1986-），女，广东人，博士生.
基金资助:
国家自然科学基金资助项目(51178475).

Derivation, Implementation and Examination of Logit Route Choice Model with Relative Impedance

LAI Xin-jun, YU Zhi, LI Jun

Research Center of Intelligent Transportation System, Guangdong Provincial Key Laboratory of Intelligent Transportation System, Sun Yatsen University, Guangzhou 510275, China

Received:2011-11-29 Revised:2011-12-30 Online:2012-04-25 Published:2012-04-27

摘要/Abstract

摘要： 提出了一种基于相对阻抗的改进Logit模型，将判断误差的方差修正为与阻抗相关，克服了传统模型因同一分布而导致的等方差问题，并推导出基于相对阻抗的Logit模型的概率计算公式.给出了相对效用的概念在常见改进Logit独立相关性缺陷的模型中的应用.计算实例表明,改进后的模型均能有效解决“长短路”问题，且物理意义明确、计算简单，具有良好的鲁棒性.

关键词: 交通规划, 出行者行为, Logit路径选择模型, 相对阻抗, 长短路问题

Abstract: In the paper, the modified Logit route choice models with relative impedance are presented to resolve the fixed variances problem of the traditional logit model. Therefore, the variances of perception error are relative to the route impedances. The classical variations of Logit models employing relative impedances are deduced. Three numerical tests show that the proposed models are more reasonable and robust than the traditional ones, and the modified PCL model with Probit equivalent impedances is the closest to theoretical results. The revised models have clear theoretical background, perform more rationally than traditional ones and still retain the advantage of easy computation, which makes them flexible in research and practical application.

Key words: traffic planning, traveler behavior, Logit route choice model, relative impedance, independently identically distribution

中图分类号:

U491.1+22

赖信君, 余志, 李军. 相对阻抗Logit路径选择模型的推导、应用及验证[J]. 交通运输系统工程与信息, 2012, 12(2): 85-90.

LAI Xin-Jun, YU Zhi, LI Jun. Derivation, Implementation and Examination of Logit Route Choice Model with Relative Impedance[J]. Journal of Transportation Systems Engineering and Information Technology, 2012, 12(2): 85-90.

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链接本文: http://www.tseit.org.cn/CN/abstract/abstract18354.shtml

http://www.tseit.org.cn/CN/Y2012/V12/I2/85

参考文献

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