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CR-Fuxing high-speed EMU series
Frontiers of Engineering Management, 2023Chunfang Lu, Bo Zhang, Hongwei Zhao
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Electromagnetic Characteristics Analysis of High-Speed EMU with FEA Modeling
IEEE Transactions on Applied Superconductivity, 2016This paper presents analysis methods for improving the electromagnetic characteristics of a high-speed electrical multiple unit (EMU) train with a 1:1 finite-element analysis model. Both electromagnetic distribution diagrams and numerical field data have been analyzed.
Zhi Hao Wu, Jian Xun Jin
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Suppression of abnormal chattering of a high-speed EMU carbody
Journal of Mechanical Science and Technology, 2021A carbody chattering phenomenon accompanied by bogie hunting movement was investigated. The online test results showed that the vehicle at a large tread conicity state exhibited insufficient stability when running at higher speeds, causing the hunting frequency of the bogie to continuously increase and approach the diamond-shaped deformation modal ...
Dao Gong +3 more
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Prediction and analysis of crosstalk in high speed EMUs
2013 5th IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2013Due to intensive cable arrangements in high speed emus and its vehicle equipment internal, measurement of crosstalk in the victim cable is not easy in wiring dense area. Consequently, a simple method, used to predict and analyze the crosstalk in wiring dense area is needful, to optimize cable arrangements for reducing conducted electromagnetic ...
Yunshuang Ma, Yinghong Wen, Dan Zhang
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Study on Fatigue Strength for Axle of High Speed EMU
Advanced Materials Research, 2012In the paper, Assessment and comparison analyses of fatigue strength for different axles of CRH2, CRH3 and CRH5 EMUs are conducted by applying the European standards and Japanese standards. The wheelset models of CRH2, CRH3 and CRH5 are set up by means of the finite element method.
Ping Yu Zhou, Ping Bo Wu
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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
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Analysis on Load Spectrum of Bogie Frame for High-Speed EMU
Applied Mechanics and Materials, 2014The load spectrum, on which there is not a thorough research, is the key factor of the safe operation of EMU. A dynamic model of some high-speed EMU is established and the load time history of main load on frame is obtained through simulation and analysis based on the Beijing-Tianjin route.
Yu Guang Wang, Da Fu Zhang
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Effects of Crosswind to Running Safety of High-Speed EMU
International Conference on Transportation Engineering 2009, 2009The derailment accident of the train caused by the too big crosswind was often occurred in the world. It was a serious danger to the running safety of the railway train and the people's life and treasure. The highest running speed of the EMU has reached 350 km/h and the biggest wind speed nearly 30 m/h at the running area of the EMU, so running safety ...
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Optimization of high speed EMU suspension parameters for vibration reduction
Journal of Mechanical Science and Technology, 2013Various designs of high speed EMU (electric multiple units) operating at maximum speed of 400 km/h or above are under active development in many countries. Driving at such extreme high speed, the EMUs that are equipped with multiple power units and non articulated bogies normally experience severe level of vibration.
Seung-Guk Baek +5 more
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