Results 1 to 10 of about 2,958 (138)
A Real-Time Fault Early Warning Method for a High-Speed EMU Axle Box Bearing. [PDF]
Sensors (Basel), 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.
Liu L, Song D, Geng Z, Zheng Z.
europepmc +2 more sources
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, the existing problems of the gearbox are analyzed by finite element method, then using the ...
GAO Yang +3 more
openaire +2 more sources
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 testing and verification bench, the EMU driving simulation platform, and the EMU remote data ...
Hongwei Zhao, Zhiping Huang, Ying Mei
openaire +3 more sources
The integration of optimizing train timetables with EMU route plans. [PDF]
Sci RepGenerally, 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
Li W, Tong L, Xiao L, Han P.
europepmc +2 more sources
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
openaire +2 more sources
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 interconnection high-speed EMU were put forward.
Changqing LIU, Lei WANG
openaire +2 more sources
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 grid frequency.
Yong LIU +4 more
openaire +2 more sources
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. The bogie of China's high-speed EMU has undergone three stages of development: technology introduction, innovation based on ...
LI Qiuze +4 more
openaire +2 more sources
Review on Fault Diagnosis Technology for High-speed EMU Gearboxes
Jixie chuandong, 2023 The gearbox is an important component of the system of high-speed trains, which is susceptible to damage and failure due to the long-term high-speed and heavy-load working environment, so it is important to diagnose the faults of high-speed train gearboxes quickly and accurately.
Zhang Jianchao +4 more
openaire +2 more sources
Electrostatic generator enhancements for powering IoT nodes via efficient energy management. [PDF]
Microsyst NanoengElectrostatic generators show great potential for powering widely distributed electronic devices in Internet of Things (IoT) applications. However, a critical issue limiting such generators is their high impedance mismatch when coupled to electronics ...
Wu Z, Cao Z, Teng J, Ding R, Xu J, Ye X.
europepmc +2 more sources