# [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] 点击复制 交通分布预测模糊重力模型() 分享到： var jiathis_config = { data_track_clickback: true };

38

2008年第4期

727-731

2008-07-20

## 文章信息/Info

Title:
Fuzzy gravity model of traffic distribution forecast

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):
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

Keywords:

U491.14
DOI:
10.3969/j.issn.1001-0505.2008.04.036

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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