[1]陆化普,李悦,蔚欣欣.供给与需求不确定的离散交通网络设计模型[J].东南大学学报(自然科学版),2012,42(6):1221-1226.[doi:10.3969/j.issn.1001-0505.2012.06.036]
 Lu Huapu,Li Yue,Yu Xinxin.Discrete traffic network design model under supply and demand uncertainty[J].Journal of Southeast University (Natural Science Edition),2012,42(6):1221-1226.[doi:10.3969/j.issn.1001-0505.2012.06.036]
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供给与需求不确定的离散交通网络设计模型()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第6期
页码:
1221-1226
栏目:
交通运输工程
出版日期:
2012-11-20

文章信息/Info

Title:
Discrete traffic network design model under supply and demand uncertainty
作者:
陆化普1 李悦1 蔚欣欣2
1 清华大学交通研究所,北京100084; 2 交通运输部规划研究院,北京100028
Author(s):
Lu Huapu1 Li Yue1 Yu Xinxin2
1 Institute of Transportation Engineering, Tsinghua University, Beijing 100084, China
2 Transport Planning and Research Institute of Ministry of Transport, Beijing 100028, China
关键词:
离散交通网络设计 供给与需求不确定 风险态度 风险价值 双层模型
Keywords:
discrete traffic network design supply and demand uncertainty risk attitude value at risk bi-level optimization
分类号:
U491.1
DOI:
10.3969/j.issn.1001-0505.2012.06.036
摘要:
考虑到交通规划中供给需求及决策准则的不确定性,提出了一种基于不确定理论的离散交通网络设计模型.首先,假设供给和需求为随机变量,使用半标准差和风险价值来度量不确定性,建立了考虑决策者风险态度的多目标双层优化模型.随后,使用基于帕累托概念的SPEA2算法对网络优化模型进行求解.以研究中常用的Nguyen-Dupuis网络作为算例进行计算,结果表明:引进风险价值可以有效度量交通规划中决策者的风险态度; 多目标规划中不同目标之间存在替代关系; 增加建设资金可以有效提高网络性能,但是当投入资金增加到一定额度以后,改善效果并不明显.
Abstract:
Regarding the uncertainty of traffic supply, demand and decision principles in traffic design, a design model for uncertain discrete traffic network based on uncertainty theory is proposed. Firstly, supply and demand elements are assumed to be stochastic variables. The semi-standard error and value at risk are used to measure uncertainty and a multi-objective bi-level optimized model considering decision risk attitude is built. Then, SPEA2(strength pareto evolutionary algorithm 2)based on the conception of Pareto is applied to solve the multi-objective bi-level optimized model. The numerical results of Nguyen-Dupuis network show that the risk value can reflect decision maker’s attitude towards risk in measuring traffic design. In various targets there are alternative relations in multi-object design. The increase of the construction funds can effectively improve the network performance. However, such improvement is not obvious when the investment is beyond a certain limit.

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备注/Memo

备注/Memo:
作者简介: 陆化普(1957—),男,博士,教授,博士生导师,luhp@mail.tsinghua.edu.cn.
基金项目: 国家高技术研究发展计划(863计划)资助项目(2007AA11Z202,2007AA11Z233)、教育部博士点基金资助项目(20070003065).
引文格式: 陆化普,李悦,蔚欣欣.供给与需求不确定的离散交通网络设计模型[J].东南大学学报:自然科学版,2012,42(6):1221-1226. [doi:10.3969/j.issn.1001-0505.2012.06.036]
更新日期/Last Update: 2012-11-20