[1]王殿海,陈松,魏强,等.基于二流理论的路网宏观交通状态判断模型[J].东南大学学报(自然科学版),2011,41(5):1098-1103.[doi:10.3969/j.issn.1001-0505.2011.05.038] 　Wang Dianhai,Chen Song,Wei Qiang,et al.Discrimination model for macroscopic traffic conditions of urban networks using two-fluid theory[J].Journal of Southeast University (Natural Science Edition),2011,41(5):1098-1103.[doi:10.3969/j.issn.1001-0505.2011.05.038] 点击复制 基于二流理论的路网宏观交通状态判断模型() 分享到： var jiathis_config = { data_track_clickback: true };

41

2011年第5期

1098-1103

2011-09-20

文章信息/Info

Title:
Discrimination model for macroscopic traffic conditions of urban networks using two-fluid theory

(1 浙江大学建筑工程学院,杭州 310058)
(2 吉林大学交通学院,长春 130025)
Author(s):
(1College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China)
(2College of Traffic and Transportation, Jilin University, Changchun 130025, China)

Keywords:

U491
DOI:
10.3969/j.issn.1001-0505.2011.05.038

Abstract:
In order to develop a macroscopic flow model of urban network conditions suitable for the traffic control, the criteria for choosing macroscopic traffic variables are proposed, and then the macroscopic traffic variables are determined. The relationships among the traffic variables are derived by applying the two-fluid theory. Therefore, the macroscopic traffic condition model of urban networks is developed, and the calculation method of the optimal network capacity is presented based on this model. The model parameters are calibrated by the least squares method. The evolution process of traffic conditions is simulated by VISSIM and the relationships among variables determined by the calibrated model are compared with those from simulation. The results show that the macroscopic traffic conditions of urban networks can be accurately quantified by the calibrated model. The model parameters are easily estimated, so the proposed model can be applied in practice.

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