ISSN : 1796-203X
Volume : 3    Issue : 12    Date : December 2008

A Meta-model Based Modeling Method for Geographic Information Model in CTCS
-the-loop Simulation System
Linyan Tu, Wei Dong, Yindong Ji, and Xinya Sun
Page(s): 19-26
Full Text:
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According to the requirement of hardware-in-the-loop simulation system for CTCS Level 3 (Chinese
Train Control System Level 3), a meta-model based modeling method for railway geographic
information is proposed in this paper. The modeling principle, modeling scheme and key
technologies of this method are deeply explained and different modeling schemes are compared in
detail. Using this modeling method, the railway geographic information can be expressed more
concisely and completely, and the model can be extended and reconstructed more easily. The
proposed model is now successfully used to provide effective support for the running of the train
dynamic model.

Index Terms
Chinese Train Control System, hardware-in-the-loop simulation system, meta-model, railway
geographic information model