Track Irregularity Identification Method of High-Speed Railway Based on CNN-Bi-LSTM [PDF]
SensorsTrack smoothness has become an important factor in the safe operation of high-speed trains. In order to ensure the safety of high-speed operations, studies on track smoothness detection methods are constantly improving.
Jinsong Yang +3 more
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Millimeter Scale Track Irregularity Surveying Based on ZUPT-Aided INS with Sub-Decimeter Scale Landmarks [PDF]
Sensors, 2017 Railway track irregularity surveying is important for the construction and the maintenance of railway lines. With the development of inertial devices, systems based on Inertial Navigation System (INS) have become feasible and popular approaches in track ...
Qingan Jiang +3 more
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The Influence of Track Irregularity in Front of the Turnout on the Dynamic Performance of Vehicles
Applied Sciences, 2022 While the track irregularity in turnout areas has a significant impact on wheel-rail contact, driving safety, and stability, the impact of track irregularity in front of the incoming turnout on vehicles is often overlooked.
Wenhao Chang +5 more
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Novel method to measure track irregularity based on multiple MEMS-IMU and geometric constraint [PDF]
Scientific ReportsThe track regularity with high accuracy is crucial important to protect the dynamic safety in high speed and heavy haul railways, normally, the inertial measurement unit (IMU)is capable to provide the precise solution for track irregularity measurement ...
Yan Wang +5 more
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Experimental study on track irregularity of straddle-type monorail [PDF]
Scientific ReportsAs straddle-type monorail systems evolve toward higher operational speeds, steeper gradients, and more diverse structural configurations, the design of guideway beams has become increasingly complex.
Zengchuang Zhao, Pingbo Wu, Lihui Ren
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A Novel Description Method for Track Irregularity Evolution [PDF]
International Journal of Computational Intelligence Systems, 2011 Track Irregularity has a significant influence on the safety of train operation. Due to the fact that the extremely large number of factors affect track irregularity it is challenging to find a concise yet effective mathematical method to describe the ...
Peng Xu +4 more
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Correlation Analysis between Rail Track Geometry and Car-Body Vibration Based on Fractal Theory
Fractal and Fractional, 2022 The effect of track geometry on vehicle vibration is a major concern in high-speed rail (HSR) operation from the perspectives of ride comfort and safety. However, how to quantitatively characterize the relation between them remains a problem to be solved
Xiao-Zhou Liu +4 more
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Influence of Metro Track Irregularities on Pantograph Vibration and Its Interaction with Catenary
Applied Sciences, 2022 The problem of excessive wear of pantograph strips frequently occurs on China’s Z City Metro Line 1. After on-site investigation and analysis by the metro operating company, it was speculated that the problem was related to abnormal track irregularities.
Bolun An +5 more
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Mathematics, 2021 In order to study the influence of an integration time step on dynamic calculation of a vehicle-track-bridge under high-speed railway, a vehicle-track-bridge (VTB) coupled model is established.
Junjie Ye, Hao Sun
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Modelling Of Random Vertical Irregularities Of Railway Tracks
International Journal of Applied Mechanics and Engineering, 2015 The study presents state-of-the-art in analytical and numerical modelling of random vertical irregularities of continuously welded ballasted railway tracks.
M. Podwórna
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