2021 Vol. 21, No. 1

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Research progress on wheel/rail rolling contact fatigue of rail transit in China
ZHAO Xin, WEN Ze-feng, WANG Heng-yu, TAO Gong-quan, JIN Xue-song
Abstract: The wheel/rail rolling contact fatigue was systematically explained in terms of its classification, initiation mechanisms, influencing factors, consequences, as well as commonly used initiation prediction models, and the source of complexity in wheel/rail rolling contact fatigue was summarized. Rela...
2021, 21(1): 1-35. doi: 10.19818/j.cnki.1671-1637.2021.01.001
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Review on domestic and foreign dynamics evaluation criteria of high-speed train
SHI Huai-long, LUO Ren, ZENG Jing
Abstract: The evaluation content, evaluation method, evaluation index and limit value involved in the dynamics performance assessment criteria were reviewed for high-speed trains. The criteria analysis and their comparisons were carried out regarding of hunting motion stability, derailment safety and ride qua...
2021, 21(1): 36-58. doi: 10.19818/j.cnki.1671-1637.2021.01.002
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Review on aerodynamic drag reduction optimization of high-speed trains in China
LI Tian, DAI Zhi-yuan, LIU Jia-li, WU Na, ZHANG Wei-hua
Abstract: The progress on aerodynamic drag reduction optimization of high-speed trains in China was studied. The pressure distribution characteristics of typical components and the contribution of each component to the train's aerodynamic drag were summarized. Three research methods for obtaining train aerody...
2021, 21(1): 59-80. doi: 10.19818/j.cnki.1671-1637.2021.01.003
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Progress and challenge on fatigue resistance assessment of railway vehicle components
WU Sheng-chuan, REN Xin-yan, KANG Guo-zheng, MA Li-jun, ZHANG Xiao-jun, QIAN Kun-cai, TENG Wan-xiu
Abstract: Based on the safety operation and service assessment of vehicle components, the progress on fatigue resistance assessment and engineering application of railway vehicle components mainly including the axles and bogie frame was reviewed. The different design concepts due to axle materials as well as ...
2021, 21(1): 81-114. doi: 10.19818/j.cnki.1671-1637.2021.01.004
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Review on frontier technical issues of intelligent railways under Industry 4.0
MIAO Bing-rong, ZHANG Wei-hua, LIU Jian-xin, ZHOU Ning, MEI Gui-ming, ZHANG Ying
Abstract: The importance and necessity of the rational use of the connotative elements of Industry 4.0 for the digital construction, transformation, and upgrading of the next generation intelligent railways of China were explained. To this end, railway infrastructures and vehicles were considered as research ...
2021, 21(1): 115-131. doi: 10.19818/j.cnki.1671-1637.2021.01.005
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Development of additive manufacturing technology and its application prospect in advanced rail transit equipment
YANG Bing, LIAO Zhen, WU Sheng-chuan, XIAO Shou-ne, YANG Guang-wu, ZHU Tao, WANG Ming-meng, DENG Yong-quan
Abstract: Based on the application status of additive manufacturing technology, the characteristics and application ranges of several additive manufacturing technologies were summarized. The latest research progress of typical metal additive manufacturing was introduced. Considering the inherent defects, resi...
2021, 21(1): 132-153. doi: 10.19818/j.cnki.1671-1637.2021.01.006
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Application and prospect of composite materials in rail transit vehicles
XIAO Shou-ne, JIANG Lan-xin, JIANG Wei, HE Zi-kun, YANG Guang-wu, YANG Bing, ZHU Tao, WANG Ming-meng
Abstract: The use of composite materials such as the glass fiber reinforced plastic, carbon fiber reinforced plastic, and aluminum matrix ceramic composite materials in rail transit vehicles was reviewed. The history and progress of basic and applied research on the aforementioned composite materials were des...
2021, 21(1): 154-176. doi: 10.19818/j.cnki.1671-1637.2021.01.007
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Research progress of high-speed maglev rail transit
XIONG Jia-yang, DENG Zi-gang
Abstract: The development of high-speed maglev rail transit across the world was summarized based on the basic operating principles and technical characteristics of maglev trains. The electromagnetic suspension (EMS), permanent magnet electrodynamic suspension (PMEDS), low-temperature superconductor electrody...
2021, 21(1): 177-198. doi: 10.19818/j.cnki.1671-1637.2021.01.008
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Research review on medium and low speed maglev vehicle
MA Wei-hua, LUO Shi-hui, ZHANG Min, SHENG Zhuo-hang
Abstract: Based on the working principle of electro-magnetic suspension (EMS) type medium and low speed maglev (MLSM) train, the technical characteristics of each core subsystem (levitation-guidance system, traction motor, running gear, braking system and track-bridge structure, etc.) of MLSM train were descr...
2021, 21(1): 199-216. doi: 10.19818/j.cnki.1671-1637.2021.01.009
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Review on permanent magnet direct drive technology of railway vehicles
MA Guang-tong, SUN Zhen-yao, XU Shuai, YAO Chun-xing, REN Guan-zhou, LIANG Shu-lin
Abstract: The development of domestic and overseas railway vehicles adopting permanent magnet direct drive technology was reviewed. The forms of permanent magnet direct drive bogies structures were summarized, and the characteristics and applications of the shaft-holding direct drive structure and elastic sus...
2021, 21(1): 217-232. doi: 10.19818/j.cnki.1671-1637.2021.01.010
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Review on influence of coupler and draft gear on safety of railway train collision
ZHU Tao, ZHANG Jing-ke, WU Qi-fan, LYU Rui-juan, WANG Xiao-rui, XIAO Shou-ne, DENG Yong-quan
Abstract: The research methodologies and results of coupler and draft gear in the field of train collisions in last 20 years were reviewed from four specific aspects of coupler and draft gears in train: function and failure mechanisms, classifications and standards, theories and applications, and train collis...
2021, 21(1): 233-249. doi: 10.19818/j.cnki.1671-1637.2021.01.011
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Application advances of artificial intelligence algorithms in dynamics simulation of railway vehicle
TANG Zhao, DONG Shao-di, LUO Ren, JIANG Tao, DENG Rui, ZHANG Jian-jun
Abstract: The application examples and domestic and foreign literatures using artificial intelligence algorithm for railway vehicle system dynamics simulation were reviewed. The machine learning and deep learning algorithms commonly used in railway vehicle dynamics simulation were summarized, and the applicat...
2021, 21(1): 250-266. doi: 10.19818/j.cnki.1671-1637.2021.01.012
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Review on active control of hunting stability for railway vehicles
HUANG Cai-hong, ZENG Jing, WEI Lai
Abstract: In order to suppress the hunting motions and thus increase the critical speed of vehicles, the structure concepts, control objectives, control algorithms, measurement systems, actuation systems and experimental verifications were reviewed on the active control of hunting stability for the special se...
2021, 21(1): 267-284. doi: 10.19818/j.cnki.1671-1637.2021.01.013
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Review on wheel-rail dynamic responses caused by wheel tread defects
JING Lin, LIU Kai
Abstract: The current research on wheel-rail relationship was summarized in three aspects, including rolling contact theories, experiments, and numerical simulations. The influence of dynamics mechanical properties of wheel/rail materials on wheel-rail rolling contact behavior was emphasized. The related resu...
2021, 21(1): 285-315. doi: 10.19818/j.cnki.1671-1637.2021.01.014
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Review on basic characteristics, formation mechanisms, and treatment measures of rail corrugation in metro systems
GUAN Qing-hua, ZHANG Bin, XIONG Jia-yang, LI Wei, WEN Ze-feng, WANG Heng-yu, JIN Xue-song
Abstract: The basic characteristics of rail corrugations in metro systems worldwide were systematically reviewed, including their typical properties such as universality, time concentration, and the correlation between the corrugations and curve parameters, track structure, vehicle characteristics, and other ...
2021, 21(1): 316-337. doi: 10.19818/j.cnki.1671-1637.2021.01.015
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Review on structural vibration damage identification technology for railway vehicles
MIAO Bing-rong, LIU Jun-li, ZHANG Ying, YANG Shu-wang, PENG Qi-ming, LUO Yao-xiang
Abstract: The importance and necessity of using the structural vibration damage identification technology for monitoring the structural health of railway vehicles were described in the context of intelligent operation and maintenance. According to the application ranges of different damage identifications, th...
2021, 21(1): 338-357. doi: 10.19818/j.cnki.1671-1637.2021.01.016
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Review on key technologies of 400 km·h-1 variable gauge EMUs bogies
HUANG Zhi-hui, HU Fei-fei, LI Guo-dong, ZHOU Dian-mai
Abstract: To address the problems in the development and design of 400 km·h-1 variable gauge EMUs bogies in China, five important problems for Chinese high-speed variable gauge EMUs bogies (i.e., traction motor mounting, type of wheel set drive, axle box bearing, track changing mechanism, foundation brake, an...
2021, 21(1): 358-368. doi: 10.19818/j.cnki.1671-1637.2021.01.017
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