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A Real-Time Fault Early Warning Method for a High-Speed EMU Axle Box Bearing [PDF]
Sensors, 2020 An axle box bearing is one of the most important components of high-speed EMUs (electric multiple units), which runs at a very fast speed, suffers a heavy load, and operates under various complex working conditions.
Lei Liu +3 more
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Investigation on influencing factors of wheel polygonization of a plateau high-speed EMU train [PDF]
Railway SciencesPurpose – This study aims to investigate the cause of high-order wheel polygonization in a plateau high-speed electric multiple unit (EMU) train. Design/methodology/approach – A series of field tests were conducted to measure the vibration accelerations ...
Wei Li +4 more
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The integration of optimizing train timetables with EMU route plans [PDF]
Scientific ReportsGenerally, to address the resource management issues in high-speed railway operations, particularly in the context of large-scale networked high-speed train transportation organizations, a phased optimization approach is introduced. This approach divides
Wenjun Li +3 more
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TOPOLOGY OPTIMIZATION DESIGN OF HIGH SPEED EMU GEARBOX
Jixie qiangdu, 2022 As the core component of high-speed EMU bogie, gearbox should meet the requirements of lightweight and high reliability in order to ensure the safety and comfort of vehicle operation. Taking the gearbox of a domestic high-speed EMU as the research object,
GAO Yang +3 more
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Applied Sciences, 2023 Aiming at the deficiencies of the traction helical gear transmission system when the EMU is running at high speed, this paper proposes and designs a kind of arc toothed cylindrical gear adapted to the traction of higher speed EMU.
Jianping Sun +4 more
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High-Speed EMU TCMS Design and LCC Technology Research
Engineering, 2017 This paper introduces the high-speed electrical multiple unit (EMU) life cycle, including the design, manufacturing, testing, and maintenance stages. It also presents the train control and monitoring system (TCMS) software development platform, the TCMS ...
Hongwei Zhao, Zhiping Huang, Ying Mei
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High-speed EMU Emergency Braking Technology
机车电传动, 2018 Emergency braking ensures that the EMU stops safely in the shortest distance. This paper presented the triggering condition of emergency braking from the standpoint of fail-safe principle, and introduced the realization method of train security loop ...
LUO Feiping +4 more
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400 km/h Transnational Interconnection High-speed EMU
机车电传动, 2020 Based on the top-level operation requirements and project objectives, the overall technical innovation objectives, technical characteristics, technical difficulties, technical route and overall technical scheme of developing 400 km/h transnational ...
Changqing LIU, Lei WANG
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Beat-less Control Method for High-speed EMU
机车电传动, 2020 Due to the application of the single-phase power supply mode in the traction drive system of high-speed EMU, the DC output voltage of the single-phase pulse rectifier is superimposed with an AC ripple voltage component which the frequency is twice the ...
Yong LIU +4 more
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Technological development and prospect of China's high speed EMU bogies
机车电传动, 2023 Bogie is the running device that supports, pulls and realizes the brake of vehicle body, buffers vibration and rotates relative to the vehicle body, which determines the safety, reliability and quality of train operation.
LI Qiuze +4 more
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