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Home > Archive>Volume 49, Issue 3, 2021 >382-390. DOI:10.11908/j.issn.0253-374x.20321
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Real-Time Analysis of Block Mode-Communication-Based Train Control System Handover Using Colored Petri Net
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1.Key Laboratory of Road and Traffic Engineering of the Ministry of Education， Tongji University， Shanghai 201804， China;2.Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety， Tongji University， Shanghai 201804， China;3.CASCO Signal Co.，Ltd.， Shanghai 200072， China

Clc Number:

TB114.3

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    Abstract:

    The mode switching time delay of the block mode-communication based train control（BM-CBTC） multi-mode train control system has a great impact on the operation efficiency of urban rail transit. First， this paper analyzed the function and process of mode switching in the BM-CBTC system. Next， it established a mode switching model based on coloured Petri net （CPN）. Then， it studied the real-time performance of mode switching at different BM design operation intervals. The experiments show that the switching time delay increases with the increase of BM design operation interval， and the train operation delay can be within 5 minutes when the BM design operation interval reaches 2 minutes. The established CPN model also offers a reference for the real-time analysis of mode switching in other multi-mode train control systems.

    Fig.1 CBTC system based on moving block
    Fig.2 BM system based on fixed block
    Fig.3 Structure of BM-CBTC system
    Fig.4 Operation diagram of CBTC mode
    Fig.5 Operation diagram of BM mode
    Fig.6 Flowchart of BM-CBTC system mode switching
    Fig.7 CPN model of CBTC switching to BM
    Fig.8 Substitution transition Train Breaking
    Fig.9 Substitution transition BM Initial
    Fig.10 Schematic diagram of time analysis of substitution transition BM Initial
    Fig.11 Time distribution of mode switching with BM design interval of 2，3，and 5 min
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WANG Xiaoyong, DONG Decun, OU Dongxiu, JI Yuqing. Real-Time Analysis of Block Mode-Communication-Based Train Control System Handover Using Colored Petri Net[J].同济大学学报(自然科学版),2021,49(3):382~390

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History
  • Received:August 09,2020
  • Online: April 06,2021
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