Reliability evaluation of CBTC based on cloud model and combination weighting method

doi:10.11835/j.issn.1000-582X.2023.02.011

Home > Archive>Volume 46, Issue 2, 2023 >130-139. DOI:10.11835/j.issn.1000-582X.2023.02.011

Reliability evaluation of CBTC based on cloud model and combination weighting method
DOI:
                        10.11835/j.issn.1000-582X.2023.02.011
                    
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                        [cstr]
                    
Author:
                        HE TaoHE Tao
Gansu Research Center of Automation Engineering Technology for Industry &Transportation, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
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MA JieMA Jie
School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
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Clc Number:U284.48
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Abstract:

Since there are few reliability analysis of Communication Based Train Control System (CBTC) system, this paper presented a comprehensive evaluation method for reliability evaluation of the CBTC system based on the cloud model and the combination weighting method. Firstly, according to the structure and function of CBTC system, the functional hierarchical model of the system was established, and the subjective and objective weights of the underlying equipment were determined by the combination weighting method. The integrated weight value of the system was obtained according to the additive synthesis method. Secondly, the cloud model was used to represent the reliability of the underlying device of the CBTC system. Finally, the similarity between the CBTC system reliability comprehensive index new cloud and the reliability evaluation set cloud model of virtual cloud computing was compared to obtain the final evaluation result. The results show that the CBTC system reliability evaluation method based on cloud model and combination weighting method can correctly and objectively describe the ability of CBTC system to complete the specified functions, which can be used for the research and development and evaluation of CBTC system.

Key words:CBTC system;reliability evaluation;cloud model;combination weighting method

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何涛,马洁.基于云模型和组合赋权法的CBTC系统可靠性评价[J].重庆大学学报,2023,46(2):130~139

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Received:October 12,2021
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Online: February 28,2023
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