|Table of Contents|

Management-control capability evaluation model of radio block center based on improved ANP(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2015年01期
Page:
108-118
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Management-control capability evaluation model of radio block center based on improved ANP
Author(s):
CHEN Jian-qiu;  TANG Tao;  YUAN Lei
State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China
Keywords:
train control system;  radio block center;  management-control capability;  analytic network process;  experts mean assessment
PACS:
U283.2
DOI:
-
Abstract:
Various factors affecting the management-control capability of radio block center(RBC)were analyzed. The relationship among the factors was researched. The evaluation model of management and control capability of RBC was built by analytic network process(ANP). In order to reduce the influence of subjectivity and improve the credibility of evaluation results, the experts mean assessment was introduced to ANP evaluation process. Taking the real layouts of the first RBCs(RBC-JH1, RBC-ZX1)in the down direction of Jinghu and Zhengxi High-Speed Railways as example, the ANP evaluation model was built, and SD software was used to solve the model. The quantitative ordering of various influence factors was obtained. Analysis result indicates that the covered line area, control station number, non-cycle data dealing, the number of registered control trains, the maximum control train number of a single RBC, cycle data dealing, station complexity and the transmission delay time of wireless channel are key influence factors, their weights are 0.167, 0.095, 0.092, 0.090, 0.086, 0.072, 0.064 and 0.058, respectively. In the real RBC layout, the key influence factors should be given the priority because they have larger influence on the control capability of RBC. The weight of RBC-JH1 is 0.037, and the weight of RBC-ZX1 is 0.039. Considering the priority influence factors, the jurisdiction of BC-JH1 can be extended to the sixth relay station. The applicability of improved ANP evaluation model is proved in evaluating the RBC management and control capability. Combination with the calculation formula of RBC layout number, the management-control range and layout number of RBC in a railway line can be determined. 9 tabs, 6 figs, 22 refs.

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Last Update: 2015-02-25