Reliability evaluation of CTCS-3 based on cloud model and combination weighting method

被引：0

作者：

Zhang Y. ^{[1
]}

Yang J. ^{[1
]}

机构：

[1] School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou

来源：

Tiedao Xuebao/Journal of the China Railway Society | 2016年 / 38卷 / 06期

关键词：

Cloud model; Combination weighting method; CTCS-3 train control system; Reliability evaluation;

D O I：

10.3969/j.issn.1001-8360.2016.06.009

中图分类号：

学科分类号：

摘要：

In view of the deficiency of the fuzzy comprehensive evaluation method in the reliability evaluation of the train control system, this paper presented a comprehensive evaluation method for the reliability evaluation of the CTCS-3 train control system based on the cloud model and the combination weighting method. Firstly, the comprehensive model and hierarchy model of CTCS-3 were constructed on the basis of its structure and function to determine the weight of indicators using the combination weighting method. Secondly, the cloud model was used to represent the ratio of the actual and rated indicators of each device. According to the rules of the cloud computing, the reliability integrated indicator cloud of the CTCS-3 train control system was obtained using the weighted model. Finally, the similarity of reliability integrated indicator cloud of the CTCS-3 train control system was measured with the cloud model of the reliability evaluation set to obtain the final evaluation result. The results showed that the comprehensive reliability evaluation method for the CTCS-3 train control system based on the cloud model and combination weighting method can accurately and objectively describe the system's ability to perform its specified functions, which can be used for the research and development and evaluation of the CTCS-3 train control system. © 2016, Editorial Office of Journal of the China Railway Society. All right reserved.

引用

页码：59 / 67

页数：8

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