Research of speed guidance for urban expressway with model predictive control

被引：0
作者：
Chen D.S. [1 ]
Wang K. [1 ]
Liu X.F. [2 ]
机构：
[1] The Key Laboratory for Traffic and Transportation Security of Jiangsu Province, Huai’an
[2] Schooí of Automotive and Transportation, Tianjin University of Technology and Education, 1310 South Dagu Road, Tianjin
来源：
Advances in Transportation Studies | 2017年 / 1卷 / Special Issue期
关键词：
Macroscopic dynamic traffic flow model; Model predictive control; Speed guidance control; Traffic management; Urban expressway;
D O I：
10.4399/97888255068151
中图分类号：
学科分类号：
摘要：
In order to improve the efficiency and safety of urban expressway, the macroscopic dynamic traffic flow model is extended using speed guidance control. Speed guidance as control variable was introduced into the urban expressway control system, and the macroscopic dynamic traffic flow model was established. Model predictive control is presented to calcúlate the optimal speed guidance under the objective function of total travel time and changes of speed guidance. Speed guidance control of urban expressway was designed and optimized. Simulation analysis is carried out in simulation platform based on the case of mutations traffic in the downstream. The results show that the speed guidance under safety constraints has a good control effect to smooth traffic flow, alleviate traffic congestión and improve traffic safety which can be applied in practice to provide a theoretical basis for active traffic management. © 2017, Aracne Ed. All rights reserved.
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页码：3 / 12
页数：9
相关论文
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