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SHANGGUAN Wei, LIU Peng-hui, CAI Bo-gen, SHAO Yong-zhe. UML-HLA collaborative modeling method and its application in multi-train simulation system[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 108-115. doi: 10.19818/j.cnki.1671-1637.2013.04.016
Citation: SHANGGUAN Wei, LIU Peng-hui, CAI Bo-gen, SHAO Yong-zhe. UML-HLA collaborative modeling method and its application in multi-train simulation system[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 108-115. doi: 10.19818/j.cnki.1671-1637.2013.04.016
shu

UML-HLA collaborative modeling method and its application in multi-train simulation system

doi: 10.19818/j.cnki.1671-1637.2013.04.016
  • 1.

    School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China

  • 2.

    State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China

More Information
  • Author Bio:

    SHANGGUAN Wei(1979-), male, associate professor, PhD, +86-10-51687111, wshg@bjtu.edu.cn

  • Received Date: 2013-02-09
  • Publish Date: 2013-08-25
    Abstract
  • Aimed at the distributed and interactive properties of complex real-time large system, through a comprehensive comparison of unified modeling language (UML) and high level architecture (HLA) features, a modeling and simulating method of train control system was proposed based on high level architecture with unified modeling language (UML-HLA).On the basis of traditional modeling method, an analysis model of multi-train simulation system was constructed from different perspectives by using UML-HLA modeling method.The model consisted of use case modeling, activity modeling, structural modeling, interactive modeling and state-based modeling, and the high level architecture resource library was constructed.Based on the analysis model, a multi-train simulation system structure was established, and a design model of multi-train simulation system was obtained finally.The functions and performances of multitrain simulation system were validated.Simulation result shows that the modeling method based on UML-HLA has strong interactivity and maneuverability.With the optimization of original thread management mechanism and timer control mechanism, the CPU occupancy of original system reduces from 50% to below 15% by using thread management method, the timer error in the system is below 0.02 ms, and the simulation requirement of train control system is satisfied.

     

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