Results 261 to 270 of about 1,027,147 (317)
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Hunting motion of high-speed emu during cross-line operation: Mechanism and countermeasures
Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, 2023During the operation of the Chinese 250 km/h-level EMU, hunting occurs when the EMU crosses from Line B to Line A. Numerous tests and simulations have been conducted to investigate the mechanism of this phenomenon.
Zhenning Yang +4 more
semanticscholar +1 more source
Thermal coupling analysis of axlebox bearing in high speed EMU
Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023)Weiye Zhao, Linghui Wei
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Investigation of low damped carbody oscillation for Korean high-speed EMU experimental train
Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, 2021This study describes the low damped carbody oscillations of the HEMU-430X, a high-speed electric-multiple-unit experimental train of Korea. The HEMU-430X had already undergone a kind of hunting problem in the test period, but it was effectively ...
Joon-woo Park
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Research on the adaptability of high-speed EMU lines on long ramps
Other Conferences, 2023This paper analyzes the adaptability of the line slope after the failure of the EMU and conducts a simulation calculation for the traction and braking capabilities of the CR400AF EMU.
Xiao-Tong Pan +6 more
semanticscholar +1 more source
Adaptive Terminal Sliding Mode Control for High-Speed EMU: A MIMO Data-Driven Approach
IEEE Transactions on Automation Science and EngineeringIn this study, a novel data-driven discrete-time sliding mode control (DSMC) approach is designed for an electric multiple unit (EMU) velocity tracking control system.
Liang Zhou +4 more
semanticscholar +1 more source
The Impact of Gear Meshing in High-Speed EMU Gearboxes on Fatigue Strength of the Gearbox Housing
TechnologiesAs high-speed electric multiple units (EMUs) advance in speed and complexity, quasi-static design methods may underestimate the fatigue risks associated with high-frequency dynamic excitations.
Changqing Liu, Shouguang Sun, Qiang Li
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IEEE Access
The widespread integration of high-speed trains has significantly enhanced the quality of human life. However, the intricate electromagnetic environment within carriages has raised notable concerns, especially for passengers with pacemakers.
Rui Tian +3 more
semanticscholar +1 more source
The widespread integration of high-speed trains has significantly enhanced the quality of human life. However, the intricate electromagnetic environment within carriages has raised notable concerns, especially for passengers with pacemakers.
Rui Tian +3 more
semanticscholar +1 more source
Machines
With the continuous development of high-speed electric multiple units (EMUs), vibration issues of vehicles have become increasingly prominent. During operation, the underfloor equipment installed on the carbody is subjected to random multi-point ...
Can Chen +6 more
semanticscholar +1 more source
With the continuous development of high-speed electric multiple units (EMUs), vibration issues of vehicles have become increasingly prominent. During operation, the underfloor equipment installed on the carbody is subjected to random multi-point ...
Can Chen +6 more
semanticscholar +1 more source
Vibration characteristics of High-speed EMU considering car body structural vibration mode
2021 4th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM), 2021In order to research the vibration characteristics of high-speed EMU under different typical excitation, taking a aluminum alloy body of a certain high-speed EMU as an example, the finite element model of car body is established, then the rigid-flexible ...
Xiaojie Sun +3 more
semanticscholar +1 more source
High speed EMU modeling based on the measured data
2009 International Conference on Sustainable Power Generation and Supply, 2009Based on a large amount of actual measured data on railway line, this paper presents a modeling method using curve-fitting and probabilistic density functions for a high speed EMU. This method better simulates the real world and can be used to build a rapid data exchange between the trains and the traction power system simulation.
null Yang Shaobing +2 more
openaire +1 more source