|Table of Contents|

Interactive evolution between safe headway and control strategy of high-speed trains during following operation(PDF)

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

Issue:
2014年05期
Page:
90-100
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Interactive evolution between safe headway and control strategy of high-speed trains during following operation
Author(s):
PAN Deng MEI Meng ZHENG Ying-ping
School of Electronic and Information Engineering, Tongji University, Shanghai 201804, China
Keywords:
train operation control high-speed train following operation safe headway Petri net control strategy interactive evolution mathematical modeling
PACS:
U260.138
DOI:
-
Abstract:
In order to achieve the safe, effective, and stable operation of high-speed train, the interactive evolution mechanisms between safe headways and control strategies of high-speed trains in given following states were described and analyzed by using Petri net. The calculations of safe headway of high-speed train in complex following states were discussed, and themathematical model of parking deceleration for high-speed train based on control strategy was established. To satisfy the safety, efficiency and smoothness(comfort)of high-speed train in current following state, the calculation method of safe headway based on control strategies was presented. The calculation method was helpful for real-time calibration of dynamic safe headway and control strategies. In the three following situations that the preceding train was moving at the speeds of 250, 300 and 350 km·h-1 respectively and the speed of following train is 300 km·h-1, the safe headways were calculated when different control strategies were used for preceding and following trains. Calculation result indicates that safe headway varies for different control strategies used for preceding and following trains, and their influences on the behavioral adjustment smoothness(comfort)of following train and the following efficiency are also different. In comprehensive consideration of safety, efficiency and smoothness(comfort)of train following operation, the safe headways in the different following states should be re-calibrated according to different control strategies, and the corresponding database should be established for train operation and control. 7 tabs, 6 figs, 21 refs.

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Last Update: 2014-10-30