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Algorithm Research & Explore
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748-751

Traffic assignment model and algorithm based on straight line inverse λ fundamental diagram

He Shengxue
Business School, University of Shanghai for Science & Technology, Shanghai 200093, China

Abstract

The existing traffic assignment theorem hardly dealt with the congested traffic state of link. To solve the above problem, based on the classic straight line inverse λ fundamental diagram, this paper presented a static traffic assignment method with given states of links. Firstly, through analyzing the fundamental diagram, it obtained the travel time function of link with two stages. Secondly, by introducing the indicating label of traffic state of link and constructing the flow conservation equations at nodes, it formulated the system optimal and user equilibrium traffic assignment models. At last, to solve the non-convex user equilibrium model, it proposed a branch and bound algorithm with relaxed partial objective function. This paper used numerical examples to demonstrate the effectiveness of the new model and algorithm. By extending the one-sided assumption of monotone increasing of link travel time function, the new theory can deal with the congested traffic state of link effectively and improve the practicality of existing theories.

Foundation Support

上海市自然科学基金资助项目(18ZR1426200)
上海理工大学人文社科攀登重点项目(SK17PA02)
上海市一流学科建设项目(S1201YLXK)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.09.0923
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 3
Section: Algorithm Research & Explore
Pages: 748-751
Serial Number: 1001-3695(2019)03-021-0748-04

Publish History

[2019-03-05] Printed Article

Cite This Article

何胜学. 基于直线型反λ基本图的交通流分配模型及算法 [J]. 计算机应用研究, 2019, 36 (3): 748-751. (He Shengxue. Traffic assignment model and algorithm based on straight line inverse λ fundamental diagram [J]. Application Research of Computers, 2019, 36 (3): 748-751. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.


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