Study on the technologies development trend of high speed EMUs
High speed railway technologies are rapidly development in the world. The total distance of the high speed railway is more than 40,000 kilometers in China, and many types of high speed Electrical Multi-Units (EMUs) are operated.
Chunfang Lu, Zunsong Ren, Chengxian Ma
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High-Speed EMUs: Characteristics of Technological Development and Trends
High-speed railway (HSR) is defined by the International Union of Railways (UIC) as new lines with design speeds above 250 km h 1 and upgraded existing lines with speeds of up to 200 km h 1 [1].
Hongwei Zhao +2 more
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Traction System Design of High Speed Test EMUs
The traction system of test EMUs used for performance and high speed test was based on asynchronous AC motor and satisfied with EN standard. Technical parameter design on system structure and critical components of the traction system were analyzed and ...
XU Guang-wei
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Research on Drag Reduction Flow Control Technology for High-Speed EMUs [PDF]
In order to explore a new method of aerodynamic drag reduction for high-speed trains, the numerical calculation method based on SST k-ω was used to explore the influence of jets at different positions of the train body, joints, tail and different speeds ...
Na Gao, Jian Du
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Electromechanical Coupling Modelling of High Speed EMUs with Rotor Field Oriented Control
According to the theory of vehicle system dynamics and rotor flux-oriented control (RFOC), an electromechanical coupling simulation model of transmission system of high-speed EMUs is established considering the effect of mechanical and electrical ...
Junguo Wang +3 more
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Simulation Analysis of Crosstalk of Complex Cable Beams in High Speed EMUs
Based on the cable transmission line simulation method, crosstalk simulation analysis is performed on complex cable harnesses commonly used in high-speed EMUs such as power cables, DC power cables, communication cables and signal cables.
Jin-wu Song
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High-Speed EMU TCMS Design and LCC Technology Research
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, Mei Ying
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Convolutional Neural Network-Based Pattern Recognition of Partial Discharge in High-Speed Electric-Multiple-Unit Cable Termination [PDF]
Partial discharge detection is considered a crucial technique for evaluating insulation performance and identifying defect types in cable terminals of high-speed electric multiple units (EMUs).
Chuanming Sun +10 more
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A New Car-Body Structure Design for High-Speed EMUs Based on the Topology Optimization Method [PDF]
In recent years, the research and development of high-speed trains has advanced rapidly. The main development trends of high-speed trains are higher speeds, lower energy consumption, higher safety, and better environmental protection.
Chunyan Liu +5 more
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Analysis of High-speed EMUs Noise Source
To improve riding comfort and optimize noise insulation design for high-speed EMUs, the noise source was analyzed, and noise value of high-speed EMUs typical position passenger room was introduced.
XU Li, WANG Zhichun, ZHOU Jianfeng
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