|Table of Contents|

3D measure method of space-time unbalance for arrival and departure wagon flows at railway technical station(PDF)

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

Issue:
2013年05期
Page:
67-75
Research Field:
交通运输规划与管理
Publishing date:

Info

Title:
3D measure method of space-time unbalance for arrival and departure wagon flows at railway technical station
Author(s):
XUE Feng1; 2;  CHEN Chong-shuang2; 3;  YANG Yun-gui4
1.School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, Sichuan, China; 2. State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China; 3. School of Mathematics, Southwest Jiaotong University, Chengdu 610031, Sichuan, China; 4. School of Air Traffic Management, Civil Aviation Flight University of China, Guanghan 618307, Sichuan, China
Keywords:
railway transportation;  technical station;  arrival and departue wagon flows;  space-time unbalance;  measure method;  3D model;  unbalance control;  maximum variance ratio method;  Gini coefficient
PACS:
U292.12
DOI:
-
Abstract:
In order to measure the space-time unbalance of arrial and depature wagon flows at railway technical station, the characteristics of arrival and departure wagon flows times, the arrival and departure amounts of trains and the connecting directions of technical station were ananlyzed, and the calculation method of arrival and depature wagon flow unbalance was provided. Through analyzing the influence of space-time unbalance for arrival and departure wagon flows on technical station, the wagon flow structures of different connecting directions, transformation range and arrival time interval were considered, and relevant parameters such as line direction and train amount were designed. By using maximum variance ratio method,the time unbalance degree of arrival and departure wagon flows and the amount unbalance degree of arrival and departure wagon flows from different connecting directions were calculated, the unbalance degree of arrival and departure wagon flow amouts at different periods was calculated by using Gini coefficient. The 3D unbalance characteristic of arrival and departure wagon flows was divided from space, time and amount, the relations among train amount, time change and space transformation were described, the 3D measure method of space-time unbalance for arrival and departure wagon flows at railway technical station was set up, and an example of Guiyang Nan Railway Station was given to prove the measure method. Research result shows that when the amount of arrival trains is 67, calculation time is 12 h and receiving train level is 4, the unbalance degree of arrival and departure wagon flow amounts from different connecting directions is 0.21, the unbalance degree of arrival and departure wagon flow times is 0.03, and the unbalance degree of arrival and departure wagon flow amounts at different periods is 0.13. The wagon flows are comparatively balanced, which accord with the actual situation of Guiyang Nan Railway Station. 4 tabs, 3 figs, 22 refs.

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Last Update: 2013-10-30