A Study on the Correlation Between Measured Track Irregularities and Vehicle Responses in High-Speed Lines

Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


In this study, a correlation analysis is conducted between measured track irregularities and vehicle responses. For this purpose, four track irregularity types, namely track gauge, longitudinal level, super-elevation and track alignment, and the vertical/lateral acceleration of carbody are recorded using high-speed comprehensive inspection train. The results indicates that vertical carbody acceleration is dominated by the irregularity of longitudinal level, and can be affected by the irregularity of super-elevation (with the wavelengths above 50 m). The lateral carbody acceleration is largely influenced by the irregularity of track alignment (with the wavelength above 30 m) and super-elevation (with the wavelength above 10 m). Yet, vehicle responses are seldom influenced by the irregularity of track gauge. Using transfer function, VCA can be well predicted at the wavelengths above 10 m, and LCA can be well predicted at the wavelengths above 50 m.


Correlation analysis Track irregularity Vehicle response 



The authors would like to thank the support of Science and Technology Research and Development Plan of China Academy of Railway Sciences No. 2018YJ146 and 2018YJ300.


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Infrastructure Inspection Research InstituteChina Academy of Railway Sciences Corporation LimitedBeijingChina

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