TOWARDS MODELING AND EVALUATION OF AVAILABILITY OF COMMUNICATION BASED TRAIN CONTROL (CBTC) SYSTEM

被引：0
|
作者：
Zhao, Hongli [1 ]
Xu, Tianhua [1 ]
Tang, Tao [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect & Informat, Rail Traff Control & Safety State Key Lab, Beijing 100044, Peoples R China
来源：
PROCEEDINGS OF 2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS TECHNOLOGY AND APPLICATIONS | 2009年
关键词：
Availability; Communication Based Train Control system (CBTC); Stochastic Automata Networks (SANs); state-space explosion; scaled generalized minimum residual (SGMRES);
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This In this paper a stochastic automation networks (SANs) model for the computing the availability of Communication Based Train Control (CBTC) system is developed, which captures the lossy radio communication link and the transmission procedures based on 802.11 protocols. A scaled generalized minimum residual (SGMRES) iterative method is provided to reduce the ill-condition of stead:,,ate equation and the state-space explosion problem. The availability (Mean Time Between Train Stop, MTBTS) of CBTC is quantitatively evaluated and compared under different deadlines and time between two successive train position reports. Analytic results are conducted to verify that the required Mean Time Between Train Stop (MTBTS) of 250,000 hours is met at the deadline of 2 minutes.
引用
收藏
页码：860 / 863
页数：4
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