System Development & Application
|
140-143,162

Modeling and formal analysis of level transition in train control system based on UML and CPN

Zhu Aihong
Song Limei
School of Automation & Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Abstract

According to the security and real-time performance of the train control system, this paper established the unified modeling language(UML) and the colored Petri net(CPN) model of C2 to C3 transition based on the level transition scenario of the CTCS-3 level control system requirement specification. It analyzed the influence factors of the safty of train operation and traffic efficiency, that was, the time spent in the transition and the success rate of the level transition, and verified the validity of this modeling method. The results show that the combination of UML and CPN model is suitable for the specification of the requirements of the control system. The hierarchical conversion model can meet the real-time requirements of the system. In order to ensure the success rate of switching, the train running speed is inversely proportional to the switching time, the higher the speed, the shorter the switching time, the higher the train speed, the higher the real-time performance of the system.

Foundation Support

国家自然科学基金资助项目(61661027)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.07.0670
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 1
Section: System Development & Application
Pages: 140-143,162
Serial Number: 1001-3695(2019)01-032-0140-04

Publish History

[2019-01-05] Printed Article

Cite This Article

朱爱红, 宋丽梅. 基于UML和CPN的列控系统等级转换建模与分析 [J]. 计算机应用研究, 2019, 36 (1): 140-143,162. (Zhu Aihong, Song Limei. Modeling and formal analysis of level transition in train control system based on UML and CPN [J]. Application Research of Computers, 2019, 36 (1): 140-143,162. )

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  • Application Research of Computers Monthly Journal
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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.

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