Journal of South China University of Technology(Natural Science Edition) ›› 2012, Vol. 40 ›› Issue (2): 57-62.

• Traffic & Transportation Engineering • Previous Articles     Next Articles

Parallel Microscopic Simulation System of Mixed Traffic Based on Multi-Core Technology

Li Shan-shan1  Qian Da-lin1  Wang Jiu-zhou2   

  1. 1.School of Traffic and Transportation//MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology,Beijing Jiaotong University,Beijing 100044,China; 2.Tianjin Municipal Engineering Design & Research Institute,Tianjin 300051,China
  • Received:2011-06-27 Revised:2011-10-05 Online:2012-02-25 Published:2012-01-04
  • Contact: 李珊珊(1984-) ，女，博士生，主要从事交通仿真研究． E-mail:07121324@bjtu.edu.cn
  • About author:李珊珊(1984-) ，女，博士生，主要从事交通仿真研究．
  • Supported by:

    国家自然科学基金资助项目( 70972041) ; 高等学校博士学科点专项科研基金资助课题( 20100009110010) ; 北京交通大学基本科研业务费资助课题( 2011YJS246)

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Abstract:

In order to speed up the microscopic simulation of mixed traffic,a simulation platform based on the multi-core parallel computing technology is proposed. The proposed platform is described in two aspects,namely the functional structure and the design as well as the implementation of the simulation process. Then,some key algorithms for implementing the microscopic simulation,namely the initial transportation network segmentation algorithm, the crossing border algorithm of vehicles and the dynamic load-balancing algorithm,are designed and implemented. Simulated results show that the adoption of multi-core parallel computing technology greatly improves the microscopic simulation efficiency of mixed traffic.

Key words: transportation system engineering, multi-core parallel computing, mixed traffic, microscopic simulation