[1]朱顺应,管菊香,王红,等.交通分布预测模糊重力模型[J].东南大学学报(自然科学版),2008,38(4):727-731.[doi:10.3969/j.issn.1001-0505.2008.04.036]
 Zhu Shunying,Guan Juxiang,Wang Hong,et al.Fuzzy gravity model of traffic distribution forecast[J].Journal of Southeast University (Natural Science Edition),2008,38(4):727-731.[doi:10.3969/j.issn.1001-0505.2008.04.036]
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交通分布预测模糊重力模型()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
38
期数:
2008年第4期
页码:
727-731
栏目:
交通运输工程
出版日期:
2008-07-20

文章信息/Info

Title:
Fuzzy gravity model of traffic distribution forecast
作者:
朱顺应1 管菊香1 王红1 李安勋2 严新平3
1 武汉理工大学交通学院, 武汉 430063; 2 深圳新城市规划建筑设计有限公司, 深圳 518172; 3 武汉理工大学智能交通研究中心, 武汉 430063
Author(s):
Zhu Shunying1 Guan Juxiang1 Wang Hong1 Li Anxun2 Yan Xinping3
1 School of Transportation,Wuhan University of Technology,Wuhan 430063,China
2 Shenzhen New Land Tool Consultants PTE Co.Ltd.,Shenzhen 518172,China
3 Research Centre of Intelligent Transportation System,Wuhan University of Technology,Wuhan 430063,China
关键词:
交通分布 模糊重力模型 三角模糊数 模糊最小二乘法
Keywords:
traffic distribution fuzzy gravity model triangular fuzzy number fuzzy least-squares method
分类号:
U491.14
DOI:
10.3969/j.issn.1001-0505.2008.04.036
摘要:
为了解决交通分布预测中的模糊不确定性,以重力模型与模糊数学理论和方法为基础,基于三角模糊数建立了模糊重力模型.采用模糊线性最小二乘法标定了模型中参数.利用模糊幅度对观测值的比、观测值与估计值的隶属函数的不重合部分的面积与其面积之和的比这2种方法进行模型精度检验.研究了实现交通分布预测结果的发生、吸引平衡处理的模糊Frator增长率迭代平衡方法.通过实例详细说明了发生量、吸引量和交通阻抗均具有模糊不确定性时的模糊重力模型的应用过程,提出了根据模糊不确定性大小程度来利用模糊预测值的建议.模糊重力模型可以实现交通分布预测中的模糊不确定性.
Abstract:
In order to solve the fuzzy uncertainty of the traffic distribution,using the gravity model and fuzzy mathematics theory,a fuzzy gravity model is established based on the triangular fuzzy number.The parameters are calibrated by the fuzzy linear least-squares regression method.Two methods are used to test the model accuracy through the ratio of fuzzy magnitude to observation value and the ratio of the un-overlapped area of the observations and estimated subjection function to the sum area of the two.Research on fuzzy Frator iterative approach is made to balance the production-attraction results of traffic distribution forecast.Finally,an example is shown to validate the model practicability when production-attraction and traffic impedance values are uncertain. Discussion about how to use the fuzzy forecast results according to the fuzzy uncertainty degree is also presented.The fuzzy gravity model can realize fuzzy uncertainty of the traffic distribution prediction.

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备注/Memo

备注/Memo:
作者简介: 朱顺应(1967—),男,博士,教授,zhusy2001@163.com.
基金项目: 国家重点基础研究发展计划(973计划)资助项目(2005CB724205)、国家自然科学基金资助项目(50778141).
引文格式: 朱顺应,管菊香,王红,等.交通分布预测模糊重力模型[J].东南大学学报:自然科学版,2008,38(4):727-731.
更新日期/Last Update: 2008-07-20