Estimation of dynamic performances of the safe operation of high-speed electric train

Rostyslav Domin; Iurii Domin; Ganna Cherniak

doi:10.5604/01.3001.0009.7374

Authors

Rostyslav Domin Volodymyr Dahl East Ukrainian National University, Sievierodonetsk, Ukraine Author
Iurii Domin Volodymyr Dahl East Ukrainian National University, Sievierodonetsk, Ukraine Author
Ganna Cherniak Volodymyr Dahl East Ukrainian National University, Sievierodonetsk, Ukraine Author

DOI:

https://doi.org/10.5604/01.3001.0009.7374

Keywords:

high-speed electric train, electric train, safe operation, computer simulation, dynamic performances, anti-yaw dampers

Abstract

The process of implementation of new developments, in particular, new generation rolling stock holds a prominent place among the range of measures for organization of high-speed passenger rail transportation in Ukraine. The example of permission for use and the initial phase of work with interregional NRCS2 dual-mode electric trains produced by Hyundai-Rotem Corporation is the illustrative one in this context. Due to the detection of macro-cracks in bolster beams of the car body frames of these electric trains, namely in the areas of mounting of anti-yaw dampers, these trains were taken out of service until the completion of the modernization of problematic nodes. The comprehensive study on the determination of the safety parameters of electric trains was conducted to determine the causes of destruction of bolster beams. At the same time, bolster beams loading was estimated depending on the characteristics of anti-yaw dampers by means of computer simulation of the dynamics of motion of trailing and motor cars. The feasibility of selection of parameters for anti-yaw dampers mounted on electric train cars was assessed. The results of work will improve the safe operation of high-speed trains and increase the efficiency of estimates regarding the loading of bearing structures of underframes of the of rolling stock.

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