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Study on the Vibration Suppression Method of Urban Railway Vehicles Based on a Composite Dynamic Vibration Absorber [PDF]
MATEC Web of Conferences, 2019 To reduce the bounce and the pitch vibration of carbody, a vertical dynamic model for urban rail vehicles is established to analyze the vibration response of the carbody in the low frequency range.
Sun Qian, Wen Yongpeng, Zou Yu
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Units of information on dynamic message signs: a speed pattern analysis
European Transport Research Review, 2019 A single unit of information is an answer to any anticipated question a motorist may ask. Such questions include: “What happened? Where? What do I do?” This study, a first of its kind, analyzes the optimum number of units of information Dynamic Message ...
Snehanshu Banerjee +3 more
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The Rail Surface Defects Recognition via Operating Service Rail Vehicle Vibrations
Machines, 2022 Rail surface defects will not only bring wheel rail noise during train operation, but also cause corresponding accidents. Most of the existing detection methods are manual detection, which is time-consuming, laborious, inefficient, and subjective.
Shubin Zheng +4 more
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Stacked Sparse Autoencoder-Based Deep Network for Fault Diagnosis of Rotating Machinery
IEEE Access, 2017 As a breakthrough in the field of machine fault diagnosis, deep learning has great potential to extract more abstract and discriminative features automatically without much prior knowledge compared with other methods, such as the signal processing and ...
Yumei Qi +5 more
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Fault Diagnosis of Traction Motor Bearings Based on Shifted Rank-1 Reconstruction
Shock and VibrationRolling bearings are one of the important components of rotating machinery, and effective bearing fault diagnosis is a necessary condition to ensure the normal operation of mechanical systems.
Shubin Zheng +5 more
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Applied Sciences, 2023 According to the intelligent development needs of railway operation and maintenance, turnout maintenance also needs an efficient and intelligent means of detection. It is the main method used to measure the access depth of static contact manually.
Lili Wei +4 more
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Study on the Urban Rail Transit Sleeper Spacing Considering Vehicle System [PDF]
MATEC Web of Conferences, 2019 To design the optimal sleeper spacing of the track and reduce the vertical vibration of the rail, the influence of the sleeper spacing on the rail vibration is analysed in the vehicle-track vertical coupling model.
Zou Yu, Wen Yongpeng, Sun Qian
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Urban Mobility and Transportation
, 2019 Urban areas are developing quickly, innovative technologies grant enlarged scope for mobility management. According to literature, 50% of world population and as much as 75% of EU population live in cities, where the majority of GDP is generated. CO2 is responsible of 75% GHG worldwide and transportation is worth around 20% of this share and the ...
openaire +2 more sources
Efficient Dynamic Performance Prediction of Railway Bridges Situated on Small-Radius Reverse Curves
Shock and VibrationBridges situated on small-radius reverse curves play a pivotal role within some railway networks, exerting influence over project-wide design progress.
Yumin Song, Bin Hu, Xiaoliang Meng
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Journal of Advanced Transportation, 2023 The development of some central cities tends to be saturated, so some mega cities try to adopt the express and local mode of the metro. Suburban lines with imbalanced passenger flow between stations will lead to extremely crowded passenger flow in some ...
Xiaobing Ding +4 more
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